Nagata Hajime 永田肇

… Alternative Names

NAGATA Hajime 永田肇

永田肇ナガタハジメ

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Researcher Number	70339117
Other IDs
Affiliation (Current)	2025: 東京理科大学, 創域理工学部電気電子情報工学科, 教授
Affiliation (based on the past Project Information) *help	2020 – 2022: 東京理科大学, 理工学部電気電子情報工学科, 教授 2017: 東京理科大学, 理工学部電気電子情報工学科, 教授 2016: 東京理科大学, 理工学部電気電子情報工学科, 准教授 2015: 東京理科大学, 理工学部, 准教授 2013: 東京理科大学, 理工学部, 准教授 … More 2011 – 2012: 東京理科大学, 理工学部, 講師 2008: Tokyo University of Science, 理工学部・電気電子情報工学科, 助教 2007 – 2008: Tokyo University of Science, 理工学部, 助教 2006: 東京理科大学, 理工学部, 助手 2003: 理科大, 理工学部, 助手 2002 – 2003: 東京理科大学, 理工学部, 助手 Less
Review Section/Research Field	Principal Investigator Inorganic materials/Physical properties / Basic Section 21050:Electric and electronic materials-related / Device related chemistry / Inorganic materials/Physical properties Except Principal Investigator Inorganic materials/Physical properties
Keywords	Principal Investigator 非鉛圧電セラミックス / 非鉛強誘電体セラミックス / 積層セラミックアクチュエータ / キュリー点 / 機械的品質係数 / ビスマス層状構造強誘電体 / クエンチ / 結晶構造解析 / 菱面晶 / 急冷処理 … More / 脱分極温度 / チタン酸ビスマスナトリウム / 反応 / 電極 / Bi系ペロブスカイト型強誘電体 / 低温焼結 / 銀電極 / 拡散 / ビスマス系ペロブスカイト強誘電体セラミックス / 粒子配向技術 / ペロブスカイト化合物 / 圧電特性 / 粒子配向セラミックス / チタン酸ビスマスカリウム / 酸素欠陥 / 混合ビスマス層状構造強誘電体 / 相転移温度 / 共振周波数温度係数 / 発振安定性 / 非鉛 / 共振周波数温度特性 / 機械品質係数 / セラミックレゾネータ / 機能性セラミックス / EMAS / 共振反共振法 / 圧電特性測定法 / 無鉛圧電材料 / セラミックス … More Except Principal Investigator 非鉛強誘電体 / 非鉛圧電セラミックス / TCF / BLSF / Electromechanical Coupling Factor / Lead-Free Ferroelectrics / Lead-Free Piezoelectrics / 機械的品質係数Qm / 電気機械結合係数k / 電気機械結合係数 / 強誘電体 / Temperature dependence of freq. / Bismuth Layer-Structured Ferroelectrics / Mechanical Quality Factor / 共振周波数温度特性 / ビスマス層状構造強誘電体 / Piezoelectricity / Lead-Free Piezoelectric Actuator / Second Phase Transition Temperature / Bismuth Potasium Titanate / Bismuth Sodium Titanate / 圧電アクチュエータ / MPB / チタン酸バリウム / 無鉛・非鉛圧電セラミックス / 圧電性 / 非鉛圧電アクチュエータ / 第2相転移温度 / チタン酸ビスマスカリウム / チタン酸ビスマスナトリウム / d33 / 圧電歪み定数 / 積層セラミックアクチュエータ / ハイパワー圧電特性 / 圧電歪み定数d33 / KNbO_3 / ビスマスペロブスカイト / ペロブスカイト構造 / 脱分極温度 / 圧電定数 / 圧電体 Less

Control of Phase Transition Temperature on Environmental Friendly Lead-free Piezoelectric Ceramics based on Bismuth Sodium TitanatePrincipal Investigator
- Principal Investigator
  
  Nagata Hajime
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 21050:Electric and electronic materials-related
- Research Institution
  Tokyo University of Science
Diffusion and Reaction between Bismuth-based Lead-free Piezoelectric Ceramics and ElectrodesPrincipal Investigator
- Principal Investigator
  
  Nagata Hajime
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Device related chemistry
- Research Institution
  Tokyo University of Science
Development of grain oriented multilayer ceramic actuator using bismuth based lead-free perovskitesPrincipal Investigator
- Principal Investigator
  
  NAGATA Hajime
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  Tokyo University of Science
Development and Research of Lead-free Piezoelectric Devices based on Environmental Friendly Ferroelectric Ceramics
- Principal Investigator
  
  TAKENAKA Tadashi
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  Tokyo University of Science
Development and research of lead-free ceramic resonator using bismuthlayer-structured ferroelectricsPrincipal Investigator
- Principal Investigator
  
  NAGATA Hajime
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  Tokyo University of Science
Developments of Piezoelectric Actuators by Using Environmentally Gentle Lead-Free Piezoelectric Ceramics
- Principal Investigator
  
  TAKENAKA Tadashi
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  TOKYO UNIVERSITY OF SCIENCE
Developments of Piezoelectric Actuators by Using Envirnmentally Gentle Lead-Free Piezoelectric
- Principal Investigator
  
  TAKENAKA Tadashi
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  TOKYO UNIVERSITY OF SCIENCE
粒子配向型ビスマス層状構造強誘電体セラミックスの圧電的性質Principal Investigator
- Principal Investigator
  
  永田肇
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  Tokyo University of Science

[Book] 無鉛圧電セラミックス・デバイス2008
- Author(s)
  永田肇(共著)
- Publisher
  養賢堂
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] High-power piezoelectric properties of quenched (Bi0.5Na0.5)TiO3-based solid-solution ceramics2022
- Author(s)
 Tayama Takeru、Takagi Yuka、Nagata Hajime
- Journal Title
 
 Journal of Applied Physics
 
 Volume: 132 Issue: 6 Pages: 064101-064101
- DOI
 10.1063/5.0094400
- Peer Reviewed / Open Access
- Data Source
 KAKENHI-PROJECT-20K04564
[Journal Article] Oxygen tracer diffusion analysis and observation of domain structure in quenched (Bi0.5Na0.5)TiO3 ceramics2022
- Author(s)
 Takagi Yuka、Ochiai Yuta、Ito Mihiro、Kawagoe Takumi、Nagata Hajime、Sakaguchi Isao
- Journal Title
 
 Japanese Journal of Applied Physics
 
 Volume: 61 Issue: SN Pages: SN1034-SN1034
- DOI
 10.35848/1347-4065/ac8d9e
- Peer Reviewed / Open Access
- Data Source
 KAKENHI-PROJECT-20K04564
[Journal Article] Quenching effects on depolarization temperature and 18O tracer diffusion in (Bi0.5Na0.5)TiO3 ceramics with acceptor and donor additives2021
- Author(s)
  Yuka TAKAGI, Kohtaro EGUCHI, Hajime NAGATA, Isao SAKAGUCHI and Tadashi TAKENAKA
- Journal Title
  
  Journal of the Ceramic Society of Japan
  
  Volume: 129 Pages: 383-389
- NAID
  130008060692
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04564
[Journal Article] Temperature dependence of dielectric properties and phase transition behavior in quenched (Bi0.5Na0.5)TiO3 ceramics2021
- Author(s)
  Yuka Takagi, Yuta Ochiai, and Hajime Nagata
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 60 Issue: SF Pages: SFFD02-SFFD02
- DOI
  10.35848/1347-4065/ac1c40
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04564
[Journal Article] The quenching effects for depolarization temperature of (Bi0.5Na0.5)TiO3ceramics with Mn dopants2020
- Author(s)
  K. Eguchi, Y. Takagi, H. Nagata, T. Takenaka
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 59 Issue: SP Pages: SPPD03-SPPD03
- DOI
  10.35848/1347-4065/aba9b5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04564
[Journal Article] Correlation between depolarization temperature and lattice distortion in quenched (Bi1/2Na1/2)TiO3-based ceramics2020
- Author(s)
  H. Nagata, Y. Takagi, T. Takenaka
- Journal Title
  
  Applied Physics Express
  
  Volume: 13 Issue: 6 Pages: 061002-061002
- DOI
  10.35848/1882-0786/ab8c1d
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K04564
[Journal Article] Effects of quenching on bending strength and piezoelectric properties of (Bi0.5Na0.5)TiO3 ceramics2020
- Author(s)
  Y. Takagi, H. Nagata, T. Takenaka
- Journal Title
  
  Journal of Asian Ceramic Societies,
  
  Volume: 8 Issue: 2 Pages: 277-283
- DOI
  10.1080/21870764.2020.1732020
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04564
[Journal Article] Quenching effects on electrical properties of Cu-doped (Bi1/2Na1/2)TiO3-based solid solution ceramics2020
- Author(s)
  S. Harada, Y. Takagi, H. Nagata, T. Takenaka
- Journal Title
  
  Journal of Materials Research
  
  Volume: 36 Issue: 5 Pages: 0-0
- DOI
  10.1557/s43578-020-00048-7
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04564
[Journal Article] Quenching effects on piezoelectric properties and depolarization temperatures of (Bi0.5Na0.5)TiO3-based solid solution systems2017
- Author(s)
  Tatsuki Miura, Hajime Nagata, and Tadashi Takenaka
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 56
- NAID
  210000148373
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K05667
[Journal Article] Mechanical bending strength of (Bi 0.5 Na 0.5 ) TiO 3 -based lead-Free piezoelectric ceramics2017
- Author(s)
  Takahashi Hiroaki、Nagata Hajime、Takenaka Tadashi
- Journal Title
  
  Journal of Asian Ceramic Societies
  
  Volume: 5 Issue: 3 Pages: 242-246
- DOI
  10.1016/j.jascer.2017.03.002
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K05667
[Journal Article] Diffusion behavior of Ag electrodes into (Bi1/2Na1/2)TiO3 ceramics2016
- Author(s)
 Naoki IWAGAMI, Hajime NAGATA, Isao SAKAGUCHI and Tadashi TAKENAKA
- Journal Title
 
 J. Ceram. Soc. Japan
 
 Volume: 124 Issue: 6 Pages: 644-647
- DOI
 10.2109/jcersj2.16016
- NAID
 130005155662
- ISSN
 1348-6535, 1882-0743
- Language
 Japanese
- Peer Reviewed / Open Access
- Data Source
 KAKENHI-PROJECT-15K05667
[Journal Article] Diffusion Behavior of Ag Electrodes into (Bi1/2Na1/2)TiO3 Ceramics2016
- Author(s)
  Naoki Iwagami, Hajime Nagata, Isao Sakaguchi and Tadashi Takenaka
- Journal Title
  
  Journal of the Ceramic Society of Japan
  
  Volume: 124
- NAID
  130005155662
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K05667
[Journal Article] Quenching Effects of Piezoelectric Properties on Lead-Free (Bi1/2Na1/2)TiO3 ceramics2016
- Author(s)
  Hiroki MURAMATSU, Hajime NAGATA, and Tadashi TAKENAKA
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 55 Issue: 10S Pages: 10TB07-10TB07
- DOI
  10.7567/jjap.55.10tb07
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-15K05667
[Journal Article] Diffusion Behavior of Ag Electrodes into (Bi1/2K1/2)TiO3 Ceramics2015
- Author(s)
  Naoki Iwagami, Hajime Nagata, Isao Sakaguchi and Tadashi Takenaka
- Journal Title
  
  Journal of the Ceramic Society of Japan
  
  Volume: 123 Pages: 645-617
- NAID
  130005085528
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K05667
[Journal Article] Fabrication and Electrical Properties of Multilayer Ceramic Actuator Using Lead-Free (Bi_<1/2>K_<1/2>)TiO_32013
- Author(s)
 Hajime Nagata, Kazuya Tabuchi, and Tadashi Takenaka
- Journal Title
 
 Japanese Journal of Applied Physics
 
 Volume: Vol. 52
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-23760643
[Journal Article] Key Engineering Materials, Piezoelectric Properties and Electric Field- Induced-Strains of Textured (Bi_<1/2>K_<1/2>)TiO_3- BaTiO_3 Ceramics2013
- Author(s)
 Fumiaki Kawada, Yuji Hiruma, Hajime Nagata, and Tadashi Takenaka
- Journal Title
 
 Electroceramics in Japan XIIV
 
 Volume: Vol. 566 Pages: 50-53
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-23760643
[Journal Article] Dielectric and Piezoelectric Properties of Mn-doped KNbO3 Ceramics2013
- Author(s)
  Nobutaka Yawata, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  Ferroelectrics
  
  Volume: 458 Pages: 158-162
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Fabrication and electrical properties of potassium excess and poor (Bi1/2K1/2)TiO3 ceramics2013
- Author(s)
  Kazuya TABUCHI, Hajime NAGATA, Tadashi TAKENAKA
- Journal Title
  
  Journal of The Ceramic Society of Japan
  
  Volume: 121 Pages: 623-626
- NAID
  130004480198
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Piezoelectric Properties and Electric Field-Induced-Strains of Textured (Bi1/2K1/2)TiO3- BaTiO3 Ceramics,2013
- Author(s)
  Fumiaki Kawada, Yuji Hiruma, Hajime Nagata, and Tadashi Takenaka,
- Journal Title
  
  Key Engineering Materials, “Electroceramics in Japan XIIV
  
  Volume: 566 Pages: 50-53
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Fabrication and electrical properties of potassium excess and poor (Bi_<1/2>K_<1/2>)TiO_3 ceramics2013
- Author(s)
 Kazuya TABUCHI, Hajime NAGATA, Tadashi TAKENAKA
- Journal Title
 
 Journal of The Ceramic Society of Japan
 
 Volume: Vol. 121 Pages: 623-626
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-23760643
[Journal Article] Piezoelectric Properties and Electric Field-Induced-Strains of Textured (Bi1/2K1/2)TiO3- BaTiO3 Ceramics2013
- Author(s)
  Fumiaki Kawada, Yuji Hiruma, Hajime Nagata, and Tadashi Takenaka
- Journal Title
  
  Key Engineering Materials, “Electroceramics in Japan XIIV”
  
  Volume: in press
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Electrical Properties of Grain Oriented Bi4Ti3O12-based Ceramics for High Temperature Sensors2013
- Author(s)
  Koji Shiga, Shogo Yasuda, Yuji Hiruma, Hajime Nagata, and Tadashi Takenaka,
- Journal Title
  
  Key Engineering Materials, “Electroceramics in Japan XIIV”
  
  Volume: 566 Pages: 237-240
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Fabrication and Electrical Properties of Multilayer Ceramic Actuator Using Lead-Free (Bi1/2K1/2)TiO32013
- Author(s)
  Hajime. Nagata, Kazuya. Tabuchi, and Tadashi. Takenaka
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 52
- NAID
  210000142844
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Effects of Starting Raw Materials for Fabricating Dense (Bi1/2K1/2)TiO3 Ceramics2013
- Author(s)
  Kazuya Tabuchi, Yuta Inoue, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  Ferroelectrics
  
  Volume: 457 Pages: 124-130
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Effects of Starting Raw Materials for Fabricating Dense (Bi_<1/2>K_<1/2>)TiO_3 Ceramics2013
- Author(s)
 Kazuya Tabuchi, Yuta Inoue, Hajime Nagata and Tadashi Takenaka
- Journal Title
 
 Ferroelectrics
 
 Volume: Vol. 457 Pages: 124-130
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-23760643
[Journal Article] Fabrication and Electrical Properties of Potassium Excess and poor (Bi1/2K1/2)TiO3 ceramics2013
- Author(s)
  Kazuya Tabuchi, Yuta Inoue, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  Journal of the Ceramic Society of Japan
  
  Volume: in press
- NAID
  130004480198
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Fabrication and Electrical Properties of Mn-Doped KNbO_3 Ceramics Synthesized from KHCO_3 as a Starting Material2012
- Author(s)
  Hajime Nagata, Nobutaka Yawata, Shigeki Sato and Tadashi Takenaka
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: Vol. 51
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Excess Potassium and Microstructure Control for Producing Dense KNbO3 Ceramics2012
- Author(s)
  Shigeki. Sato, Yuji Hiruma, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  Transactions of the Materials Research Society of Japan
  
  Volume: 37 Pages: 65-68
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Piezoelectric Properties and Electric Field-Induced-Strains of Textured (Bi1/2K1/2)TiO3-BaTiO3 Ceramics2012
- Author(s)
  Fumiaki Kawada, Yuji Hiruma, Hajime Nagata, and Tadashi Takenaka
- Journal Title
  
  Key Engineering Materials
  
  Volume: in press
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Excess Potassium and Microstructure Control for Producing Dense KNbO_3 Ceramics2012
- Author(s)
  Shigeki. Sato, Yuji Hiruma, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  Transactions of the Materials Research Society of Japan
  
  Volume: Vol. 37 Pages: 65-68
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Fabrication of Dense KNbO3 Ceramics Derived from KHCO3 as a Starting Material2011
- Author(s)
  Hajime Nagata, Shigeki Sato, Yuji Hiruma, and Tadashi Takenaka
- Journal Title
  
  Applied Physics Express
  
  Volume: 5 Pages: 11502-11502
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Fabrication of Dense KNbO_3 Ceramics Derived from KHCO_3 as a Starting Material2011
- Author(s)
  Hajime Nagata, Shigeki Sato, Yuji Hiruma, and Tadashi Takenaka
- Journal Title
  
  Applied Physics Express
  
  Volume: Vol. 5 Pages: 11502-11502
- NAID
  10030154610
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760643
[Journal Article] Fabrication and Piezoelectric Properties of Grain-Oriented (Bi1/2K1/2)TiO3-BaTiO3 Ceramics2009
- Author(s)
  M. Nemoto, Y. Hiruma, H. Nagata and T. Takenaka
- Journal Title
  
  Japanese Journal of Applied Physics Vol.48(印刷中)
- NAID
  210000064841
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] High-Power Characteristics at Large-Amplitude Vibration of (Bi0.5Na0.5)TiO3-based Lead-Free Ferroelectric Ceramics2009
- Author(s)
  T. Watanabe, Y. Hiruma, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics (印刷中)
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Phase Transition Temperatures and Piezoelectric Properties of (Bi_<1/2>Na_<1/2>)TiO_3 and (Bi_<1/2>K_<1/2>)TiO_3-Based Perovskite Lead-Free Ferroelectric Ceramics2009
- Author(s)
 Tadashi Takenaka, Hajime Nagata, Yuji Hiruma
- Journal Title
 
 IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control (掲載決定)(印刷中)
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] Thermal depoling process and piezoelectric properties of bismuth sodium titanate ceramics2009
- Author(s)
  Yuji Hiruma, Hajime Nagata, and Tadashi Takenaka
- Journal Title
  
  Journal of Applied Physics Vol.105, 084112
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Evaluation of Piezoelectric Properties for KNbO3-Based Ceramics2009
- Author(s)
  Hajime Nagata, Tadayuki Hirosue, Kouhei Hikita, Yuji Hiruma, and Tadashi Takenaka
- Journal Title
  
  Ferroelectrics 381
  
  Pages: 1-5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Thermal depoling process and piezoelectric properties of bismuth sodium titanate ceramics2009
- Author(s)
  Yuji Hiruma, Hajime Nagata, Tadashi Takenaka
- Journal Title
  
  Journal of Applied Physics 105
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Temperature dependence of piezoelectric properties on Nd and V co-substituted Bi_4Ti_3O_<12> Ceramics for Ceramic Resonator Applications2009
- Author(s)
 Hajime Nagata
- Journal Title
 
 Ceramic International 35, 1
 
 Pages: 163-167
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19760470
[Journal Article] Depolarization temperature and piezoelectric properties of (Bi_<1/2>Na_<1/2>)TiO_3-(Bi_<1/2>Li_<1/2>)TiO_3-(Bi_<1/2>K_<1/2>)TiO_3 lead-freepiezoelectric ceramics2009
- Author(s)
 Yuji Hiruma, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Ceramics International 35
 
 Pages: 117-120
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] Shear Mode Piezoelectric Properties of KNbO3-based Ferroelectric Ceramics2009
- Author(s)
  K. Hikita, Y. Hiruma, H. Nagata and T. Takenaka
- Journal Title
  
  Japanese Journal of Applied Physics Vol.48(印刷中)
- NAID
  210000067074
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Fabrication and Electrical Properties of (Bi1/2Na1/2)TiO3-BiAlO3 Ferroelectric Ceramics2009
- Author(s)
  Y. Watanabe, Y. Hiruma, H. Nagata and T. Takenaka
- Journal Title
  
  Key Engineering Materials Vol.388
  
  Pages: 229-232
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Evaluation of Piezoelectric Properties for KNbO_3-Based Ceramics2009
- Author(s)
  H. Nagata, T. Hirosue, K. Hikita, Y. Hiruma, T. Takenaka
- Journal Title
  
  Ferroelectrics (掲載決定)(印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Evaluation of Piezoelectric Properties for KNbO3-Based Ceramics2009
- Author(s)
  H. Nagata, T.Hirosue, K. Hikita, Y. Hiruma and T. Takenaka
- Journal Title
  
  Ferroelectrics (印刷中)
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Temperature dependence of piezoelectric properties on Nd and V co-substituted Bi4Ti3O12 Ceramics for Ceramic Resonator Applications2009
- Author(s)
  H. Nagata, S. Matsuzawa, T. Tokutsu, S. Inai, M. Suzuki, Y. Hiruma and T. Takenaka
- Journal Title
  
  Ceramic International Volume 35, Issue 1
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Temperature dependence of piezoelectric properties on Nd and V co-substituted Bi4Ti3O12 ceramics for ceramic resonator applications2009
- Author(s)
  H. Nagata, S. Matsuzawa, T. Tokutsu, S. Inai, M. Suzuki, Y. Hiruma and T. Takenaka
- Journal Title
  
  Ceramics International Vol.35, Issue1
  
  Pages: 163-167
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Thermal depoling process and piezoelectric properties of bismuth sodium titanate ceramics2009
- Author(s)
  Yuji Hiruma, Hajime Nagata, and Tadashi Takenaka
- Journal Title
  
  Journal of Applied Physics 105
  
  Pages: 84-121
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Fabrication and Electrical Properties of (Bi_<1/2>Na_<1/2>)TiO_3-BiAlO_3 Ferroelectric Ceramics2009
- Author(s)
 Y. Watanabe, Y. Hiruma, H. Nagata, T. Takenaka
- Journal Title
 
 Key Engineering Materials 388
 
 Pages: 229-232
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] High Temperature Piezoelectric Properties of Some Bismuth Layer-Structured Ferroelectric Ceramics2009
- Author(s)
  Tadashi Takenaka, T. Tokutsu, H. Miyabayashi, Y. Hiruma, and H. Nagata
- Journal Title
  
  Ceramic Transactions (印刷中)
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Temperature Dependence of Piezoelectric Properties of CaBi2Ta2O9-based Ceramics2009
- Author(s)
  Toji Tokutsu, H. Miyabayashi, Y. Hiruma, H. Nagata and Tadashi Takenaka
- Journal Title
  
  Key Engineering Materials (印刷中)
- NAID
  130006979747
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Phase Transition Temperatures and Piezoelectric Properties of (Bi1/2Na1/2)TiO3 and (Bi1/2K1/2)TiO3-Based Perovskite Lead-Free Ferroelectric Ceramics2009
- Author(s)
  Tadashi Takenaka, Hajime Nagata and Yuji Hiruma
- Journal Title
  
  IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control (印刷中)
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Depolarization temperature and piezoelectric properties of (Bi1/2Na1/2)TiO3-(Bi1/2Li1/2)TiO3-(Bi1/2K1/2)TiO3 lead-free piezoelectric ceramics2009
- Author(s)
  Yuji Hiruma, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  Ceramics International Vol.35, Issue1
  
  Pages: 117-120
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Temperature dependence of piezoelectric properties on Nd and V co-substituted Bi_4Ti_3O_<12> ceramics for ceramic resonator applications2009
- Author(s)
 H. Nagata, S. Matsuzawa, T. Tokutsu, S. Inai, M. Suzuki, Y. Hiruma, T. Takenaka
- Journal Title
 
 Ceramics International 35
 
 Pages: 163-167
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] Fabrication and Piezoelectric Properties of Grain-Oriented (Bi1/2K1/2)TiO3- BaTiO3 Ceramics2009
- Author(s)
  M. Nemoto, Y. Hiruma, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics (印刷中)
- NAID
  210000064841
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Phase transition temperature and electrical properties of (Bi_<1/2>Na_<1/2>)TiO_3-(Bi_<1/2>A_<1/2>)TiO_3 (A=Li and K) lead-free ferroelectric ceramics2008
- Author(s)
 Yuji Hiruma, Kazushige Yoshii, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Journal of Applied Physics 103
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] Large electrostrain near the phase transition temperature of (Bi0.5Na0.5)TiO3-SrTiO3 ferroelectric ceramics2008
- Author(s)
  Yuji Hiruma, Yoshitaka Imai, Yoshinori Watanabe, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  Applied Physics Letters Vol.92
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Electric-field-induced Strain in Mn-doped KNbO3 Ferroelectric Ceramics2008
- Author(s)
  K. Matsumoto, Y. Hiruma, H. Nagata and T. Takenaka
- Journal Title
  
  Ceramic International Vol.34
  
  Pages: 787-791
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Fabrication and Piezoelectric Properties of Grain-Oriented (Bi1/2K1/2)TiO3-BaTiO3 Ceramics2008
- Author(s)
  Masahiro Nemoto, Yuji Hiruma, Hajime Nagata, and Tadashi Takenaka
- Journal Title
  
  Japanese Journal of Applied Physics 47
  
  Pages: 3829-3832
- NAID
  210000064841
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Electric-field-induced strain in Mn-doped KNbO_3 ferroelectric ceramics2008
- Author(s)
  K. Matsumoto, Y. Hiruma, H. Nagata, T. Takenaka
- Journal Title
  
  Ceramics International 34
  
  Pages: 787-791
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Electrical properties and tracer diffusion of oxygen in some Bi-based lead-free piezoelectric ceramics2008
- Author(s)
  Hajime Nagata
- Journal Title
  
  Journal of the Ceramic Society of Japan 116 [2]
  
  Pages: 271-277
- NAID
  110006571090
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Fabrication and Piezoelectric Properties of Grain-Oriented (Bi_<1/2>K_<1/2>)TiO_3-BaTiO_3 Ceramics2008
- Author(s)
 Masahiro Nemoto, Yuji Hiruma, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Japanese Journal of the Applied Physics 47
 
 Pages: 3829-3832
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] High Temperature Piezoelectric Properties of Vanadium Doped Bi_4Ti_3O_<12> Ceramics with Grain Orientation2008
- Author(s)
 Hajime Nagata, Toji Tokutsu, Daisuke Nakai, Yuji Hiruma, Tadashi Takenaka
- Journal Title
 
 Ferroelectrics 368
 
 Pages: 202-208
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] Phase transition temperatures and electrical properties of divalent Ions (Ca^<2+>, Sr^<2+> and Ba^<2+.) substituted (Bi1/2Na1/2)TiO3 Ceramics2008
- Author(s)
 Y. Watanabe, Y. Hiruma, H. Nagata and T. Takenaka
- Journal Title
 
 Ceramics International Vol.34, Issue4
 
 Pages: 761-764
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] Large electrostrain near the phase transition temperature of (Bi_<0.5>Na_<0.5>)TiO_3-SrTiO_3 ferroelectric ceramics2008
- Author(s)
 Yuji Hiruma, Yoshitaka Imai, Yoshinori Watanabe, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Applied Physics Letters 92
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] Phase diagrams and electrical properties of (Bi_<1/2>Na_<1/2>)TiO_3-based solid solutions2008
- Author(s)
 Yuji Hiruma, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Journal of Applied Physics 104
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] Large electrostrain near the phase transition temperature of (Bi1/2Na1/2)TiO3-SrTiO3 ferroelectric ceramics2008
- Author(s)
  Y. Hiruma, Y. Imai, Y. Watanabe, H. Nagata and T. Takenaka
- Journal Title
  
  Applied Physics Letters Vol.92
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Current Developments and Prospective of Lead-free Piezoelectric Ceramics2008
- Author(s)
  Tadashi Takenaka, Hajime Nagata and Yuji Hiruma
- Journal Title
  
  Japanese Journal of the Applied Physics Vol.47
  
  Pages: 3787-3801
- NAID
  110007539735
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Temperature dependences of piezoelectric properties of vanadium substituted SrBi_2Nb_2O_9 ceramics with grain orientation2008
- Author(s)
  S. Inai, Y. Hiruma, M. Suzuki, H. Nagata, Tadashi Takenaka
- Journal Title
  
  Ceramics International 34
  
  Pages: 741-744
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Temperature dependences of piezoelectric properties of vanadium substituted SrBi2Nb2O9 ceramics with grain orientation2008
- Author(s)
  Shinya Inai, Yuji Hiruma, Muneyasu Suzuki, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  Ceramics International Vol.34, Issue4
  
  Pages: 741-744
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Phase transition temperatures and electrical properties of divalent Ions (Ca^<2+>, Sr^<2+> and Ba^<2+>) substituted (Bi_<1/2>Na_<1/2>)TiO_3 Ceramics2008
- Author(s)
 Y. Watanabe, Y. Hiruma, H. Nagata, T. Takenaka
- Journal Title
 
 Ceramics International 34
 
 Pages: 761-764
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] Electrical properties and tracer diffusion of oxygen in some Bi-based lead-free piezoelectric ceramics2008
- Author(s)
  Hajime Nagata
- Journal Title
  
  Journal of the Ceramic Society of Japan 116[2]
  
  Pages: 271-277
- NAID
  110006571090
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Electric-field-induced strain in Mn-doped KNbO3 ferroelectric ceramics2008
- Author(s)
  K. Matsumoto, Y. Hiruma, H. Nagata and T. Takenaka
- Journal Title
  
  Ceramics International Vol.34, Issue4
  
  Pages: 787-791
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Temperature dependence of piezoelectric properties on Nd and V co-substituted Bi_4Ti_3O_<12> Ceramics for Ceramic Resonator Applications2008
- Author(s)
 Hajime Nagata
- Journal Title
 
 Ceramic International (印刷中)
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19760470
[Journal Article] Current Developments and Prospective of Lead-Free Piezoelectric Ceramics2008
- Author(s)
  Tadashi Takenaka, Hajime Nagata, and Yuji Hiruma
- Journal Title
  
  Japanese Journal of Applied Physics 47
  
  Pages: 3787-3801
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Phase diagrams and electrical properties of (Bi1/2Na1/2)TiO3-based solid solutions2008
- Author(s)
  Yuji Hiruma, Hajime Nagata, and Tadashi Takenaka
- Journal Title
  
  Journal of Applied Physics 106
  
  Pages: 104-124
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Phase transition temperature and electrical properties of (Bi1/2Na1/2)TiO3-(Bi1/2A1/2)TiO3 (A=Li and K) lead-free ferroelectric ceramics2008
- Author(s)
  Yuji Hiruma, Kazushige Yoshii, Hajime Nagata, and Tadashi Takenaka
- Journal Title
  
  Journal of Applied Physics Vol.103
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Fabrication and Piezoelectric Properties of Grain-Oriented(Bi1/2K1/2)TiO3-BaTiO3 Ceramics2008
- Author(s)
  Masahiro Nemoto, Yuji Hiruma, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  Japanese Journal of the Applied Physics Vol.47
  
  Pages: 3829-3832
- NAID
  210000064841
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] High Temperature Piezoelectric Properties of Vanadium doped Bi4Ti3O12 Ceramics with Grain Orientation2008
- Author(s)
  H. NAGATA, T. TOKUTSU, D. NAKAI, Y. HIRUMA, and T. TAKENAKA
- Journal Title
  
  Ferroelectrics Volume 368, Issue 1
  
  Pages: 202-208
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Phase transition temperature and electrical properties of (Bi1/2Na1/2)TiO3-(Bi1/2A1/2)TiO3 (A=Li and K) lead-free ferroelectric ceramics2008
- Author(s)
  Yuji Hiruma, Kazushige Yoshii, Hajime Nagata, and Tadashi Takenaka
- Journal Title
  
  Journal of Applied Physics 103
  
  Pages: 84-121
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] High Temperature Piezoelectric Properties of Vanadium Doped Bi4Ti3O12 Ceramics with Grain Orientation2008
- Author(s)
  Hajime Nagata, Toji Tokutsu, Daisuke Nakai, Yuji Hiruma and Tadashi Takenaka
- Journal Title
  
  Ferroelectrics Vol.368
  
  Pages: 202-208
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Phase diagrams and electrical properties of (Bi1/2Na1/2)TiO3-based solid solutions2008
- Author(s)
  Yuji Hiruma, Hajime Nagata, and Tadashi Takenaka
- Journal Title
  
  Journal of Applied Physics Vol.104
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Temperature Dependences of Piezoelectric Properties of (Sr, Me)Bi2(Nb,V)2O9 (Me=Ba, Ca, Bi0.5Na0.5) Ceramics2008
- Author(s)
  Shinya Inai, Yuji Hiruma, Muneyasu Suzuki, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  Ceramic International Vol.34
  
  Pages: 741-744
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] High Temperature Piezoelectric Properties of Vanadium doped Bi_4Ti_3O_12 Ceramics with Grain Orientation2008
- Author(s)
  Hajime NAGATA
- Journal Title
  
  Ferroelectrics 368[1]
  
  Pages: 202-208
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Piezoelectric Properties of (Bi1/2Na1/2)TiO3-based Solid Solution for Lead-Free High-Power Applications2008
- Author(s)
  Yuji Hiruma, Tomomi Watanabe, Hajime Nagata, and Tadashi Takenaka
- Journal Title
  
  Japanese Journal of Applied Physics Vol.47, No.9B
  
  Pages: 7659-7663
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Current Developments and Prospective of Lead-free Piezoelectric Ceramics2008
- Author(s)
  Tadashi Takenaka, Hajime Nagata, Yuji Hiruma
- Journal Title
  
  Japanese Journal of the Applied Physics 47
  
  Pages: 3787-3801
- NAID
  110007539735
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Piezoelectric Properties of (Bi_<1/2>Na_<1/2>)TiO_3-based Solid Solution for Lead-Free High-Power Applications2008
- Author(s)
 Yuji Hiruma, Tomomi Watanabe, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Japanese Journal of Applied Physics 47
 
 Pages: 7659-7663
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] Fabrication and Electrical Properties of Potassium Niobate Ferroelectric Ceramics2007
- Author(s)
  Hajime Nagata
- Journal Title
  
  Japanese Journal of Applied Physics 46,10B
  
  Pages: 7084-7088
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Ferroelectric property of Bi3TiTaO9 based ceramics with Nd substitution2007
- Author(s)
  M. Suzuki, S. Inai, T. Tokutsu, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics Vol.356
  
  Pages: 62-66
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Piezoelectric Properties of KNbO3 Ceramics prepared by Ordinary Sintering2007
- Author(s)
  K. Matsumoto, Y. Hiruma, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics 358
  
  Pages: 169-174
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Investigation of Phase Transition Temperatures on (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3 and (Bi1/2Na1/2)TiO3-BaTiO3 Lead-Free Piezoelectric Ceramics by Electrical Measurements2007
- Author(s)
  Yuji Hiruma, Kazushige Yoshii, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  Ferroelectrics Vol.346
  
  Pages: 114-119
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Piezoelectric Properties of V and Ba Substituted SrBi2Nb2O9 Ceramics2007
- Author(s)
  S. Inai, J. Sato, R. Aoyagi, Y. Hiruma, M. Suzuki, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics 358
  
  Pages: 148-152
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Investigation of Phase Transition Temperatures on (Bi_1/_2Na_1/_2)TiO_3-(Bi_1/_2K_1/_2)TiO_3 and (Bi_1/_2Na_1/_2)TiO_3-BaTiO_3 Lead-Free Piezoelectric Ceramics by Electrical Measurements2007
- Author(s)
  Tadashi Takenaka, Hajime Nagata, Y. Hiruma, K. Yoshii, K. Matsumoto
- Journal Title
  
  Journal of Electroceramics 印刷中(in press)
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Grain-Size Effect on Electrical Properties of(Bi_1/_2K_1/_2)TiO_3 Ceramics2007
- Author(s)
  Yuji Hiruma, Hajime Nagata, Tadashi Takenaka
- Journal Title
  
  Japanese Journal of the Applied Physics Vol.46,No.3A
  
  Pages: 1081-1084
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Investigation of Phase Transition Temperatures on (Bil/_2Na_1/_2)TiO_3-(Bi_1/_2K_1/_2)TiO_3 and (Bi_1/_2Na_1/_2)TiO_3-BaTiO_3 Lead-Free Piezoelectric Ceramics by Electrical Measurements2007
- Author(s)
  Yuji Hiruma, Kazushige Yoshii, Hajime Nagata, Tadashi Takenaka
- Journal Title
  
  Ferroelectrics Vol.346
  
  Pages: 114-119
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Ferroelectric property of Bi3TiTaO9 based ceramics with Nd substitution2007
- Author(s)
  M. Suzuki, S. Inai, T. Tokutsu, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics 356
  
  Pages: 62-66
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Grain-Size Effect on Electrical Properties of (Bi_<1/2>K_<1/2>)TiO_3 Ceramics2007
- Author(s)
 Yuji Hiruma, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Japanese Journal of the Applied Physics vol. 46, No. 3A
 
 Pages: 1081-1084
- NAID
 10018867280
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] 高い機械的品質係数を持つビスマス層状構造強誘電体セラミックス2007
- Author(s)
  永田肇、晝間裕二、鈴木宗泰、竹中正
- Journal Title
  
  電気学会論文誌C(電子・情報・システム部門誌) Vol.127, No.8
  
  Pages: 1141-1146
- NAID
  10019522112
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] 高い機械的品質係数を持つビスマス層状構造強誘電体セラミックス2007
- Author(s)
  永田肇、晝間裕二、鈴木宗泰、竹中正
- Journal Title
  
  電気学会論文誌C No.8
  
  Pages: 1141-1146
- NAID
  10019522112
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Fabrication and Electrical Properties of Potassium Niobate Ferroelectric Ceramics2007
- Author(s)
  Hajime Nagata, Kenji Matsumoto, Tadayuki Hirosue, Yuji Hiruma, and Tadashi Takenaka
- Journal Title
  
  Japanese Journal of Applied Physics Vol.46,No.10B
  
  Pages: 7084-7088
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Lead-free piezoelectric ceramics based on perovskite structures2007
- Author(s)
  T. Takenaka, H. Nagata, Y. Hiruma, Y. Yoshii and K. Matumoto
- Journal Title
  
  Journal of Electroceramics Vol.19
  
  Pages: 259-265
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Fabrication and Electrical Properties of Potassium Niobate Ferroelectric Ceramics2007
- Author(s)
  Hajime Nagata
- Journal Title
  
  Japanese Journal of the Applied Physics 46
  
  Pages: 7084-7088
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Piezoelectric Properties of KNbO3 Ceramics prepared by Ordinary Sintering2007
- Author(s)
  K. Matsumoto, Y. Hiruma, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics Vol.358
  
  Pages: 169-174
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Phase Transition Temperatures of Divalent and Trivalent Ions Substituted(Bi_<1/2>Na_<1/2>)TiO_3 Ceramics2007
- Author(s)
 Yuji Hiruma, Yoshinori Watanabe, Hajime Nagata and Tadashi Takenaka
- Journal Title
 
 Key Engineering Materials 350
 
 Pages: 93-96
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] Piezoelectric Properties of V and Ba Substituted SrBi2Nb2O9 Ceramics2007
- Author(s)
  S. Inai, J. Sato, R. Aoyagi, Y. Hiruma, M. Suzuki, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics Vol.358
  
  Pages: 148-152
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] The piezoelectric properties of La2O3 doped (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3 ceramics2007
- Author(s)
  K. Yoshii, Y. Hiruma, M. Suzuki, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics Vol.358
  
  Pages: 134-138
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] The piezoelectric properties of La2O3 doped(Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3 ceramics2007
- Author(s)
  K. Yoshii, Y. Hiruma, M. Suzuki, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics 358
  
  Pages: 134-138
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Piezoelectric Properties of KNbO3 Ceramics prepared by Ordinary Sintering2007
- Author(s)
  K. Matsumoto, Y. Hiruma, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics 358
  
  Pages: 169-174
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Lead-Free Piezoelectric Ceramics Based on Pervskite Structures2007
- Author(s)
  T. Takenaka, H. Nagata, Y. Hiruma, K. Yoshii and K. Matsumoto
- Journal Title
  
  Journal of Electroceramics Vol.19
  
  Pages: 259-265
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] The piezoelectric properties of La2O3 doped (Bi1/2Na1/2)TiO3- (Bi1/2K1/2)TiO3 ceramics2007
- Author(s)
  K. Yoshii, Y. Hiruma, M. Suzuki, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics 358
  
  Pages: 134-138
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Lead- Free Piezoelectric Ceramics Based on Pervskite Structures2007
- Author(s)
  T.Takenaka, H.Nagata, Y.Hiruma, K.Yoshii, K.Matsumoto
- Journal Title
  
  Journal of Electroceramics
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Fabrication and Electrical Properties of Potassium Niobate Ferroelectric Ceramics2007
- Author(s)
  Hajime Nagata, Kenji Matsumoto, Tadayuki Hirosue, Yuji Hiruma and Tadashi Takenaka
- Journal Title
  
  Japanese Journal of the Applied Physics Vol.46, No.10B
  
  Pages: 7084-7088
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Piezoelectric Properties in (K0.5Bi0.5)TiO3-(Na0.5Bi0.5)TiO3-BaTiO3 Lead-Free Ceramics2007
- Author(s)
  Shujun Zhang, Thomas R. Shrout, Hajime Nagata, Yuji Hiruma and Tadashi Takenaka
- Journal Title
  
  IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control Vol.54, No.5
  
  Pages: 910-917
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] 高い機械的品質係数を持つビスマス層状構造強誘電体セラミックス2007
- Author(s)
  永田肇
- Journal Title
  
  電気学会論文誌C(電子・情報・システム部門誌) 127-C,No.8
  
  Pages: 1141-1146
- NAID
  10019522112
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Phase-Transition Temperatures and Piezoelectric Properties of (Bi1/2Na1/2)TiO3- (Bi1/2Li1/2)TiO3-(Bi1/2K1/2)TiO3 Lead-Free Ferroelectric Ceramics2007
- Author(s)
  Yuji Hiruma, Hajime Nagata, and Tadashi aTakenaka
- Journal Title
  
  IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control Vol.54, No.12
  
  Pages: 2493-2499
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Ferroelectric property of Bi3TiTaO9 based ceramics with Nd substitution2007
- Author(s)
  M. Suzuki, S. Inai, T. Tokutsu, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics 356
  
  Pages: 62-66
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Piezoelectric Properties in(K0.5Bi0.5)TiO3-(Na0.5Bi0.5)TiO3-BaTiO3 Lead-Free Ceramics2007
- Author(s)
  Shujun Zhang, Thomas R. Shrout, Hajime Nagata, Yuji Hiruma and Tadashi Takenaka
- Journal Title
  
  IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control Vol.54, No.5
  
  Pages: 910-917
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] 高い機械的品質係数を持つビスマス層状構造強誘電体セラミックス2007
- Author(s)
  永田肇
- Journal Title
  
  電気学会論文誌C(電子・情報・システム部門誌) 127(No.8)
  
  Pages: 1141-1146
- NAID
  10019522112
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Phase-Transition Temperatures and Piezoelectric Properties of(Bi_<1/2>Na_<1/2>)TiO_3-(Bi_<1/2>Li_<1/2>)TiO_3-(Bi_<1/2>K_<1/2>)TiO_3 Lead-Free Ferroelectric Ceramics2007
- Author(s)
 Yuji Hiruma, Hajime Nagata, and Tadashi Takenaka
- Journal Title
 
 IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control Vol.54, No.12
 
 Pages: 2493-2499
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19360302
[Journal Article] Integrated Ultrasonic Transducers above 500°C2007
- Author(s)
  M. Kobayashi, C.-K. Jen, H. Nagata, Y. Hiruma, T. Tokutsu and T. Takenaka
- Journal Title
  
  Proc. 2007 IEEE Ultrasonics Symposium
  
  Pages: 953-956
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Electrical Properties and Phase Transition Temperatures of Lanthanoid Substituted (Bi1/2Na1/2)TiO3 Ceramics2007
- Author(s)
  Y. Watanabe, Y. Hiruma, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics Vol.358
  
  Pages: 139-143
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Investigation of Phase Transition Temperatures on (Bi_<1/2>Na_<1/2>)TiO_3- (Bi_<1/2>K_<1/2>)TiO_3 and (Bi_<1/2>Na_<1/2>)TiO_3-BaTiO_3 Lead-Free Piezoelectric Ceramics by Electrical Measurements2007
- Author(s)
 Yuji Hiruma, Kazushige Yoshii, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Ferroelectrics Vol. 346
 
 Pages: 114-119
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] Piezoelectric Properties of V and Ba Substituted SrBi2Nb2O9 Ceramics2007
- Author(s)
  S. Inai, J. Sato, R. Aoyagi, Y. Hiruma, M. Suzuki, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics 358
  
  Pages: 148-152
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Electrical Properties and Phase Transition Temperatures of Lanthanoid Substituted (Bi1/2Na1/2)TiO3 Ceramics2007
- Author(s)
  Y. Watanabe, Y. Hiruma, H. Nagata and T. Takenaka
- Journal Title
  
  Ferroelectrics 358
  
  Pages: 139-143
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Investigation of Phase Transition Temperatures on(Bil/2Na1/2)TiO3-(Bil/2K1/2)TiO3 and(Bil/2Na1/2)TiO3-BaTiO3 Lead-Free Piezoelectric Ceramics by Electrical Measurements2007
- Author(s)
  Yuji Hiruma, Kazushige Yoshii, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  Ferroelectrics 346
  
  Pages: 114-119
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Lead-Free Piezoelectric Ceramics Based on Pervskite Structures2007
- Author(s)
  T. Takenaka, H. Nagata, Y. Hiruma, K. Yoshii and K. Matsumoto
- Journal Title
  
  Journal of Electroceramics 19
  
  Pages: 259-265
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Phase Transition Temperatures and Piezoelectric Properties of (Bi1/2Na1/2)TiO3-(Bi1/2Li1/2)TiO3-(Bi1/2K1/2)TiO32007
- Author(s)
  Yuji Hiruma, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control Vol.54,No.12
  
  Pages: 2393-2499
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19760470
[Journal Article] Phase Transition Temperatures of Divalent and Trivalent Ions Substituted (Bi1/2Na1/2)TiO3 Ceramics2007
- Author(s)
  Yuji Hiruma, Yoshinori Watanabe, Hajime Nagata and Tadashi Takenaka
- Journal Title
  
  Key Engineering Materials Vol.350
  
  Pages: 93-96
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Integrated Ultrasonic Transducers above 500℃2007
- Author(s)
  M. Kobayashi, C.-K. Jen, H. Nagata, Y. Hiruma, T. Tokutsu and T. Takenaka
- Journal Title
  
  Proc. 2007 IEEE Ultrasonics Symposium
  
  Pages: 953-956
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360302
[Journal Article] Electrical Properties and Depolarization Temperature of (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3 Lead-free Piezoelectric Ceramics2006
- Author(s)
  Kazushige Yoshii, Y.Hiruma, H.Nagata, Tadashi Takenaka
- Journal Title
  
  Japanese Journal of the Applied Physics Vol.45,Part 1.No, 5B
  
  Pages: 4493-4496
- NAID
  210000060557
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Piezoelectric Properties of Nd and V co-substituted Bi_4Ti_30_1_2 Ceramics for Resonator Applications2006
- Author(s)
  Hajime Nagata, S.Matsuzawa, Y.Hiruma, T.Takenaka
- Journal Title
  
  Proc.2006 IEEE Ultrasonics Symposium(IEEE,USA)
  
  Pages: 355-358
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Piezoelectric Properties and Depolarization Temperatures of (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3-BaTiO3 Lead-Free Piezoelectric Ceramics2006
- Author(s)
  Yuji Hiruma, Kazushige Yoshii, Rintaro Aoyagi, Hajime Nagata, Tadashi Takenaka
- Journal Title
  
  Key Engineering Materials Vol.320
  
  Pages: 23-26
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Piezoelectric Properties of Nd and V co-substituted Bi_4Ti_3O_<12> Ceramics2006
- Author(s)
 Satoru Matsuzawa, Yuji Hiruma, Rintaro Aoyagi, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Key Engineering Materials Vol. 320
 
 Pages: 39-42
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] Lead-Free Piezoelectric Ceramics Based on (Bi_<1/2>Na_<1/2>)TiO_3-(Bi_<1/2>K_<1/2>)TiO_3-BaTiO_3 Solid Solution2006
- Author(s)
 Yuji Hiruma, Y.Makiuchi, Rintaro Aoyagi, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Ceramic Transactions(The American Ceramic Society) Vol.174
 
 Pages: 139-146
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] Phase Transition Temperatures and Piezoelectric Properties of (Bi_<1/2>Na_<1/2>)TiO_3- (Bi_<1/2>K_<1/2>)TiO_3-BaTiO_3 Lead-Free Piezoelectric Ceramics2006
- Author(s)
 Yuji Hiruma, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Japanese Journal of the Applied Physics vol. 45, Part 1, No.9B
 
 Pages: 7409-7412
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] Piezoelectric Properties and Depolarization Temperatures of Bi_1/_2Na_1/_2)TiO_3-(Bi_1/_2K_1/_2)TiO_3-BaTiO_3 Lead-Free Piezoelectric Ceramics2006
- Author(s)
  Yuji Hiruma, Kazushige Yoshii, Rintaro Aoyagi, Hajime Nagata, Tadashi Takenaka
- Journal Title
  
  Key Engineering Materials Vol.320
  
  Pages: 23-26
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Grain Orientation and Electrical Properties of Some Bismuth Layer-Structured Ferroelectrics for Lead-Free Piezoelectric Applications2006
- Author(s)
  Tadashi Takenaka, Hajime Nagata
- Journal Title
  
  Ferroelectrics Vol.336
  
  Pages: 119-136
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Piezoelectric Properties and Depolarization Temperatures of (Bi_<1/2>Na_<1/2>)TiO_3-(Bi_<1/2>K_<1/2>)TiO_3-BaTiO_3 Lead-Free Piezoelectric Ceramics2006
- Author(s)
 Yuji Hiruma, Kazushige Yoshii, Rintaro Aoyagi, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Key Engineering Materials Vol. 320
 
 Pages: 23-26
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] Electrical Properties and Depolarization Temperature of (Bi_1/_2Na_1/_2)TiO_3-(Bi_1/_2K_1/_2)TiO_3 Lead-free Piezoelectric Ceramics2006
- Author(s)
  Kazushige Yoshii, Y.Hiruma, H.Nagata, Tadashi Takenaka
- Journal Title
  
  Japanese Journal of the Applied Physics Vol.45,Part1,No.5B
  
  Pages: 4493-4496
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] High Mechanical and Electrical Quality Factors of Nb and V co-substituted Bi_4Ti_3O_<12> Ceramics2006
- Author(s)
 Yuji Hiruma, S.Matsuzawa, H.Nagata, Tadashi Takenaka
- Journal Title
 
 Transactions of the Materials Research Society of Japan Vol.31[1]
 
 Pages: 69-72
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] Lead-Free Piezoelectric Ceramics Based on (Bi_1/_2Na_1/_2)TiO_3-(Bi_1/2K_1/_2)TiO_3-BaTiO_3 Solid Solution2006
- Author(s)
  Yuji Hiruma, Hajime Nagata, Tadashi Takenaka
- Journal Title
  
  Japanese Journal of the Applied Physics Vol.45,Part1,No.9B
  
  Pages: 7409-7412
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Electrical Properties and Depolarization Temperature of (Bi_<1/2>Na_<1/2>)TiO_3- (Bi_<1/2>K_<1/2>)TiO_3 Lead-free Piezoelectric Ceramics2006
- Author(s)
 Kazushige Yoshii, Yuji Hiruma, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Japanese Journal of the Applied Physics Vol. 45, Part 1, No. 5B
 
 Pages: 4493-4496
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] Piezoelectric Properties of Nd and V co -substituted Bi4Ti3O12 Ceramics2006
- Author(s)
  Satoru Matsuzawa, Y.Hiruma, H.Nagata, Tadashi Takenaka
- Journal Title
  
  Key Engineering Materials Vol.320
  
  Pages: 39-42
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Piezoelectric Properties of Nd and V co-substituted Bi_4Ti_3O_<12> Ceramics for resonator applications2006
- Author(s)
 H.NAGATA, S.MATSUZAWA, Y.HIRUMA, T.TAKENAKA
- Journal Title
 
 Proc. 2006 IEEE Ultrasonics Symposium
 
 Pages: 355-358
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] Bismuth layer-structured ferroelectric (Sr,Ca)_2Bi_4Ti_5O_1_8 ceramics for lead-free piezoelectric resonator applications2006
- Author(s)
  Hajime Nagata, S.Horiuchi, Y.Hiruma, T.Takenaka
- Journal Title
  
  Proc.2005 IEEE UItrasonics Symposium(IEEE,USA)
  
  Pages: 1077-1082
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Electrical Properties of Grain-Oriented SrBi_2Nb_2-xVxO_9 Ceramics2006
- Author(s)
  Shinya Inai, Y.Hiruma, R.Aoyagi, H.Nagata, Tadashi Takenaka
- Journal Title
  
  Key Engineering Materials Vol.320
  
  Pages: 31-34
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Bismuth layer-structured ferroelectric (Sr, Ca)_2Bi_4TisO_<18> ceramics for lead-free piezoelectric resonator applications2006
- Author(s)
 H.NAGATA, S.HORIUCHI, Y.HIRUMA, T.TAKENAKA
- Journal Title
 
 Proc. 2005 IEEE Ultrasonics Symposium
 
 Pages: 1077-1082
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] Electrical Properties of Grain-Oriented SrBi2Nb2-xVxO9 Ceramics2006
- Author(s)
  Shinya Inai, Y.Hiruma, R.Aoyagi, H.Nagata, Tadashi Takenaka
- Journal Title
  
  Key Engineering Materials Vol.320
  
  Pages: 31-34
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Piezoelectric Properties of Pure and Mn-dopled Potassium Niobate Ferroelectric Ceramics2006
- Author(s)
  Kenji Matsumoto, Y.Hiruma, H.Nagata, Tadashi Takenaka
- Journal Title
  
  Japanese Journal of the Applied Physics Vol.45,Part1,No.5B
  
  Pages: 4479-4483
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Grain Orientation and Electrical Properties of Some Bismuth Layer-Structured Ferroelectrics for Lead-Free Piezoelectric Applications2006
- Author(s)
  Tadashi Takenaka, Hajime Nagata
- Journal Title
  
  Ferroelectrics Vol. 336
  
  Pages: 119-136
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Electrical Properties of Grain-Oriented SrBi_2Nb_<2-x>V_xO_9 Ceramics2006
- Author(s)
 Shinya Inai, Yuji Hiruma, Rintaro Aoyagi, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Key Engineering Materials Vol. 320
 
 Pages: 31-34
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] Piezoelectric Properties of Pure and Mn-dopled Potassium Niobat e Ferroelectric Ceramics2006
- Author(s)
  Kenji Matsumoto, Y.Hiruma, H.Nagata, Tadashi Takenaka
- Journal Title
  
  Japanese Journal of the Applied Physics Vol.45,Part 1.No, 5B
  
  Pages: 4479-4483
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Piezoelectric Properties of Pure and Mn-dopled Potassium Niobate Ferroelectric Ceramics2006
- Author(s)
  Kenji Matsumoto, Yuji Hiruma, Hajime Nagata, Tadashi Takenaka
- Journal Title
  
  Japanese Journal of the Applied Physics Vol. 45 Part 1, No. 5B
  
  Pages: 4479-4483
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Bismuth layer-structured ferroelectric (Sr,Ca)2Bi4Ti5O18 ceramics for lead-free piezoelectric resonator applications2006
- Author(s)
  Hajime Nagata, S.Horiuchi, Y.Hiruma, T.Takenaka
- Journal Title
  
  Proc. 2005 IEEE Ultrasonics Symposium (IEEE, USA)
  
  Pages: 1077-1082
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Processing and Electrical Properties of KNbO_3 Ferroelectric Dense Ceramics Added with Small Amount of Bi_2O_3 and MnCO_32005
- Author(s)
  Takeru Yoshida, R.Aoyagi, H.Nagata, T.Takenaka
- Journal Title
  
  Key Engineering Materials Vol.301
  
  Pages: 19-22
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Processing and Electrical Properties of KNbO_3 Ferroelectric Dense Ceramics with Small Amount of Additives2005
- Author(s)
  Takeru Yoshida, Yuji Hiruma, Rintaro Aoyagi, Hajime Nagata, Tadashi Takenaka
- Journal Title
  
  Key Engineering Materials Vol.301(印刷中)
  
  Pages: 19-22
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15360352
[Journal Article] Ferroelectric and Piezoelectric Properties of (Bi_<1/2>K_<1/2>)TiO_3 Ceramics2005
- Author(s)
 Yuji Hiruma, Rintaro Aoyagi, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Japanese Journal of the Applied Physics Vol.44(印刷中)
- NAID
 10016609135
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-15360352
[Journal Article] Ferroelectric and Piezoelectric Properties of (Bi_<1/2>K_<1/2>)TiO_3 Ceramics2005
- Author(s)
 Yuji Hiruma, R.Aoyagi, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Japanese Journal of the Applied Physics Vol.44, Part 1, No.7A
 
 Pages: 5040-5044
- NAID
 10016609135
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] Current status and prospects of lead-free piezoelectric ceramics2005
- Author(s)
  Tadashi Takenaka, Hajime Nagata
- Journal Title
  
  Journal of the European Ceramic Society Vol.25, Issue 12
  
  Pages: 2693-2700
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] (Bi_<1/2>Na_<1/2>)TiO_3-(Bi_<1/2>K_<1/2>)TiO_3-BaTiO_3 -Based Lead-free Piezoelectric Ceramics2005
- Author(s)
 Yoichi Makiuchi, R.Aoyagi, Y.Hiruma, H.Nagata, Tadashi Takenaka
- Journal Title
 
 Japanese Journal of the Applied Physics Vol.44, Part 1, No.6B
 
 Pages: 4350-4353
- NAID
 10016584046
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] Lead-Free Piezoelectric Ceramics Based on (Bi_<1/2>Na_<1/2>)TiO_3-(Bi_<1/2>K_<1/2>)TiO_3-BaTiO_3 Solid Solution2005
- Author(s)
 Yuji Hiruma, Y.Makiuchi, R.Aoyagi, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Proc.the International Conference on Smart Materials(SmartMat-'04)
 
 Pages: 45-48
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] Current status and prospects of lead-free piezoelectric ceramics2005
- Author(s)
  Tadashi Takenaka, Hajime Nagata
- Journal Title
  
  Journal of the European Ceramic Society 26・12
  
  Pages: 2693-2700
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15360352
[Journal Article] Current status and prospects of lead-free piezoelectric ceramics2005
- Author(s)
  Tadashi Takenaka, Hajime Nagata
- Journal Title
  
  Journal of the European Ceramic Society Vol.25, Issue 12(印刷中)
  
  Pages: 2693-2700
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15360352
[Journal Article] Piezoelectric Properties of Bismuth Sodium Titanate Ceramics2005
- Author(s)
  Hajime Nagata, Tadashi Takenaka, I.Sakaguchi, H.Haneda
- Journal Title
  
  Ceramic Transactions(The American Ceramic Society) Vol.167
  
  Pages: 213-221
- Data Source
  KAKENHI-PROJECT-17360327
[Journal Article] Lead-Free Piezoelectric Ceramics Based on (Bi_<1/2>Na_<1/2>)TiO_3-(Bi_<1/2>K_<1/2>)TiO_3-BaTiO_3 Solid Solution2005
- Author(s)
 Yuji Hiruma, R.Aoyagi, H.Nagata, Tadashi Takenaka
- Journal Title
 
 Chiang Mai Journal of Science Vol.32, No.3
 
 Pages: 253-260
- Data Source
 KAKENHI-PROJECT-17360327
[Journal Article] (Bi_<1/2>Na_<1/2>)TiO_3-(Bi_<1/2>K_<1/2>)TiO_3-BaTiO_3-Based Lead-free Piezoelectric Ceramics2005
- Author(s)
 Yoichi Makiuchi, Rintaro Aoyagi, Yuji Hiruma, Hajime Nagata, Tadashi Takenaka
- Journal Title
 
 Japanese Journal of the Applied Physics Vol.44[6B](印刷中)
- NAID
 10016584046
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-15360352
[Journal Article] Piezoelectric Properties of Nb and V Substituted Bi_4Ti_3O_<12> Ferroelectric Ceramics2004
- Author(s)
 H.Nagata, Y.Fujita, H.Enosawa, T.Takenaka
- Journal Title
 
 Ceramic Transactions, Vol.150, "Ceramic Materials and Mutilayer Electronic Devices" 150
 
 Pages: 253-263
- Data Source
 KAKENHI-PROJECT-15360352
[Journal Article] Dielectric, Ferroelectric and Piezoelectric Properties of Barium Titanate and Bismuth Potassium Titanate Solid-Solution Ceramics2004
- Author(s)
  Yuji HIRUMA, Hajime NAGATA, Tadashi TAKENAKA
- Journal Title
  
  Journal of the Ceramic Society of Japan, Supplement 112-1,PacRim5 Special Issue 112・5
- NAID
  130004610034
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15360352
[Journal Article] Piezoelectric Properties of Nb and V Substituted Bi_4Ti_3O_<12> Ferroelectric Ceramics2004
- Author(s)
 H.Nagata, Y.Fujita, H.Enosawa, T.Takenaka
- Journal Title
 
 Ceramic Transactions, "Ceramic Materials and Mutilayer Electronic Devices" Vol.150
 
 Pages: 253-236
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-15360352
[Journal Article] Piezoelectric Properties of BaTiO_3-(Bi_<1/2>K_<1/2>)TiO_3 Ferroelectric Ceramics2004
- Author(s)
 Yuji HIRUMA, Rintaro AOYAGI, Hajime NAGATA, Tadashi TAKENAKA
- Journal Title
 
 Japanese Journal of Applied Physics 43,(11A)
 
 Pages: 7556-7559
- NAID
 10014030340
- Data Source
 KAKENHI-PROJECT-15360352
[Journal Article] Bismuth layer-structured ferroelectrics with high Curie temperatures2004
- Author(s)
  T.Takenaka, H.Nagata, M.Suzuki
- Journal Title
  
  Ceramics International 30
  
  Pages: 2053-2053
- Data Source
  KAKENHI-PROJECT-15360352
[Journal Article] Dielectric, Ferroelectric and Piezoelectric Properties of Barium Titanate and Bismuth Potassium Titanate Solid-Solution Ceramics2004
- Author(s)
  Yuji HIRUMA, Hajime NAGATA, Tadashi TAKENAKA
- Journal Title
  
  Journal of the Ceramic Society of Japan, Supplement 112-1, PacRim5 Special Issue 112(5)
- NAID
  130004610034
- Data Source
  KAKENHI-PROJECT-15360352
[Journal Article] Dielectric, Ferroelectric and Piezoelectric Properties of Barium Titanate and Bismuth Potassium Titanate Solid-Solution Ceramics2004
- Author(s)
  Yuji HIRUMA, Hajime NAGATA, Tadashi TAKENAKA
- Journal Title
  
  Journal of the Ceramic Society of Japan Supplement 112-1, PacRim5 Special Issue, Vol.112(No.5)
- NAID
  130004610034
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15360352
[Journal Article] Piezoelectric Properties of Nb and V Substituted Bi_4Ti_3O_<12> Ferroelectric Ceramics2004
- Author(s)
 H.Nagata, Y.Fujita, H.Enosawa, T.Takenaka
- Journal Title
 
 Ceramic Transactions, Vol.150,"Ceramic Materials and Mutilayer Electronic Devices" 150
 
 Pages: 253-263
- Description
 「研究成果報告書概要(和文)」より
- Data Source
 KAKENHI-PROJECT-15360352
[Journal Article] Piezoelectric Properties of BaTiO_3-(Bi_<1/2>K_<1/2>)TiO_3 Ferroelectric Ceramics2004
- Author(s)
 Yuji HIRUMA, Rintaro AOYAGI, Hajime NAGATA, Tadashi TAKENAKA
- Journal Title
 
 Japanese Journal of Applied Physics Vol.43(No.11A)
 
 Pages: 7556-7559
- NAID
 10014030340
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-15360352
[Journal Article] Piezoelectric Properties of BaTiO_3-(Bi_<1/2>K_<1/2>)TiO_3 Ferroelectric Ceramics2004
- Author(s)
 Yuji HIRUMA, Rintaro AOYAGI, Hajime NAGATA, Tadashi TAKENAKA
- Journal Title
 
 Japanese Journal of Applied Physics 43・11A
 
 Pages: 7556-7559
- NAID
 10014030340
- Description
 「研究成果報告書概要(和文)」より
- Data Source
 KAKENHI-PROJECT-15360352
[Journal Article] Bi_<3-x>M_xTiTaO_9(M=La or Nd) Ceramics with High Mechanical Quality Factor Q_m2003
- Author(s)
 M.Suzuki, H.Nagata, J.Ohara, H.Funakubo, T.Takenaka
- Journal Title
 
 Japanese Journal of Applied Physics Vol.42(No.9B)
 
 Pages: 6090-6093
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-15360352
[Journal Article] Piezoelectric Properties of Grain Oriented Nb- or V-doped Bi_4Ti_3O_<12> Ceramics2003
- Author(s)
 H.Nagata, Y.Fujita, H.Enosawa, T.Takenaka
- Journal Title
 
 Electroceramics in Japan VI (Proceedings of the 22nd Electronics Division Meeting of the Ceramic Society of Japan)
 
 Pages: 7-10
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-15360352
[Journal Article] Piezoelectric Properties of Bismuth Layer-Structured Ferroelectric SrBi_2Ta_2O_9-Bi_3sTiTaO_9 Ceramics2003
- Author(s)
  H.Nagata, M.Itagaki, T.Takenaka
- Journal Title
  
  Ferroelectrics Vol.286
  
  Pages: 85-92
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15360352
[Journal Article] Bi_3-_xM_xTiTaO_9 (M=La or Nd) Ceramics with High Mechanical Quality Factor Qm2003
- Author(s)
  M.Suzuki, H.Nagata, J.Ohara, H.Funakubo, T.Takenaka
- Journal Title
  
  Japanese Journal of Applied Physics 42・9B
  
  Pages: 6090-6093
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15360352
[Journal Article] Large Piezoelectric Constant and High Curie Temperature of Lead-Free Piezoelectric Ceramic Ternary System Based on BNT-BKT-BT near the Morphotropic Phase Boundary2003
- Author(s)
  H.Nagata, M.Yoshida, Y.Makiuchi, T.Takenaka
- Journal Title
  
  Japanese Journal of Applied Physics Vol.42(No.12)
  
  Pages: 7401-7403
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15360352
[Journal Article] Piezoelectric Properties of Lanthanum Modified Bi_3TiTaO_9 Ceramics2003
- Author(s)
  M.Suzuki, H.Nagata, H.Funakubo, T.Takenaka
- Journal Title
  
  Electroceramics in Japan VI (Proceedings of the 22nd Electronics Division Meeting of the Ceramic Society of Japan)
  
  Pages: 11-14
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15360352
[Journal Article] Large Piezoelectric Constant and High Curie Temperature of Lead-Free Piezoelectric Ceramic Ternary System Based on BNT-BKT-BT near the Morphotropic Phase Boundary2003
- Author(s)
  H.Nagata, M.Yoshida, Y.Makiuchi, T.Takenaka
- Journal Title
  
  Japanese Journal of Applied Physics 42・12
  
  Pages: 7401-7403
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15360352
[Journal Article] Bi_4Ti_3O_<12>-based Lead-Free Piezoelectric Ceramics with Grain Orientation2003
- Author(s)
 H.Nagata, Y.Yano, H.Enosawa, Y.Fujita, T.Takenaka
- Journal Title
 
 Proc.the 13th IEEE International Symposium on the Applications of Ferroelectrics (ISAF XIII 20O2)(IEEE Catalog) No.02CH37341
 
 Pages: 303-306
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-15360352
[Journal Article] High-temperature and High-power Piezoelectric Characteristics for (Bi_<0.5>Na_<0.5>)TiO_3- based Lead-Free Piezo- electric Ceramics
- Author(s)
 Shinya Someno, Hajime Nagata, and Tadashi Takenaka
- Journal Title
 
 Journal of The Ceramic Society of Japan
 
 Volume: (in press)
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-23760643
[Journal Article] Piezoelectric Properties of Bismuth Sodium Titanate Ceramics
- Author(s)
  Hajime Nagata, Takashi Shinya, Yuji Hiruma, Tadashi Takenaka, Isao Sakaguchi, Hajime Haneda
- Journal Title
  
  Ceramic Transactions (The American Ceramic Society) (印刷中)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15360352
[Presentation] 急冷した (Bi0.5Na0.5)TiO3系セラミックスの酸素拡散とドメイン構造観察2023
- Author(s)
  髙木優香 , 落合勇太 , 永田肇
- Organizer
  圧電材料・デバイスシンポジウム2023
- Data Source
  KAKENHI-PROJECT-20K04564
[Presentation] Development of (Bi0.5Na0.5)TiO3-based Lead-free Piezoelectric Ceramics by Quenching Treatment for Ultrasonic Applications2022
- Author(s)
  Hajime Nagata, and Yuka Takagi
- Organizer
  2022 US-Japan Seminar on Dielectric and Piezoelectric Ceramics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04564
[Presentation] Hardening and Softening Behavior on High-power Piezoelectric Properties of Quenched (Bi0.5Na0.5)TiO3-based Solid Solution Ceramics2022
- Author(s)
  Takeru Tayama, Yuka Takagi, and Hajime Nagata
- Organizer
  15th International Symposium on Ferroic Domains & Micro- to Nano-scopic Structures (ISFD-15)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04564
[Presentation] 超音波デバイス応用に向けた(Bi0.5Na0.5)TiO3系非鉛系圧電セラミックスの開発研究2022
- Author(s)
  永田　肇
- Organizer
  日本セラミックス協会　2022年　年会
- Invited
- Data Source
  KAKENHI-PROJECT-20K04564
[Presentation] ZnOを複合化した(Bi0.5Na0.5)TiO3セラミックスの脱分極温度に及ぼす分極固定効果と急冷効果2022
- Author(s)
  岡田海人、高木優香、永田肇
- Organizer
  日本セラミックス協会　第42回電子材料研究討論会
- Data Source
  KAKENHI-PROJECT-20K04564
[Presentation] Quenching Effects for Electrical and Mechanical Properties on (Bi1/2Na1/2)TiO3 Ceramics2021
- Author(s)
  H. Nagata, Y. Takagi, T. Takenaka
- Organizer
  Electronic Materials and Applications 2021
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04564
[Presentation] Piezoelectric Properties and Depolarization Temperature on Quenched (Bi1/2Na1/2)TiO3-Based Solid Solution Ceramics2021
- Author(s)
  Hajime Nagata, Yuka Takagi, Tadashi Takenaka
- Organizer
  International Symposium on Applications of Ferroelectrics (ISAF) 2021
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04564
[Presentation] Quenching Effects for Depolarization Temperature and Phase Transition Behavior on (Bi0.5Na0.5)TiO3-based Ceramics2021
- Author(s)
  Yuka Takagi, Hajime Nagata
- Organizer
  The Joint International Conference on Applied Physics and Materials Applications & Applied Magnetism and Ferroelectrics (ICAPMA-JMAG-2021)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04564
[Presentation] (Bi1/2Na1/2)TiO3系固溶体圧電セラミックスの脱分極温度と経時変化2021
- Author(s)
  栗原慧聖、髙木優香、永田肇
- Organizer
  日本セラミックス協会　第41回電子材料研究討論会
- Data Source
  KAKENHI-PROJECT-20K04564
[Presentation] (Bi0.5Na0.5)TiO3セラミックスにおける誘電特性と相転移挙動の温度依存性に及ぼす添加剤及び急冷の効果2021
- Author(s)
  川越拓海、高木優香、永田肇
- Organizer
  第69回応用物理学会　春季学術講演会
- Data Source
  KAKENHI-PROJECT-20K04564
[Presentation] アクセプタおよびドナーを添加した(Bi0.5Na0.5)TiO3系セラミックスにおける脱分極温度に対する急冷の効果2020
- Author(s)
  髙木優香, 江口浩太郎, 永田肇, 坂口勲, 竹中正
- Organizer
  日本セラミックス協会電子材料部会
- Data Source
  KAKENHI-PROJECT-20K04564
[Presentation] Control of piezoelectric properties and phase transition temperature for realization of lead-free ultrasonic devices by using (Bi1/2Na1/2)TiO3-based ceramics2020
- Author(s)
  Hajime NAGATA
- Organizer
  The 5th International Conference on Smart Materials and Nonotachnology
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04564
[Presentation] 急冷した(Bi0.5Na0.5)TiO3系セラミックスにおける脱分極温度と添加物効果2020
- Author(s)
  高木優香，江口浩太郎, 永田肇, 竹中正
- Organizer
  第37回強誘電体応用会議
- Data Source
  KAKENHI-PROJECT-20K04564
[Presentation] High-Power Piezoelectric Characteristics of Bi-based Lead-free Piezoelectric Ceramics2017
- Author(s)
  Hajime NAGATA
- Organizer
  2017 International Congress on Ultrasonics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05667
[Presentation] Low Sintering Temperatures and Electrical Properties on Cu-doped (Bi0.5Na0.5)TiO3-based Ceramics2017
- Author(s)
  Ryo Nakada, Hajime Nagata and Tadashi Takenaka
- Organizer
  The 4th International Conference on Advanced Electromaterials(ICAE 2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05667
[Presentation] クエンチ処理した(Bi1/2Na1/2)TiO3系セラミックスの結晶構造解析2017
- Author(s)
  永田　肇、三浦　樹生、竹中　正
- Organizer
  第78回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-15K05667
[Presentation] ビスマス系非鉛強誘電体セラミックスのハイパワー圧電特性2017
- Author(s)
  永田肇, 竹中正
- Organizer
  日本音響学会愛媛大会
- Invited
- Data Source
  KAKENHI-PROJECT-15K05667
[Presentation] (Bi1/2Na1/2)TiO3系固溶体ラミックスの電気的諸特性に及ぼすクエンチ効果2017
- Author(s)
  永田　肇、村松啓貴、三浦樹生、竹中　正
- Organizer
  第34回強誘電体応用会議
- Data Source
  KAKENHI-PROJECT-15K05667
[Presentation] Mechanical Fracture Properties on (Bi0.5Na0.5)TiO3-Based Lead-Free Piezoelectric Ceramics2017
- Author(s)
  Hajime Nagata and Tadashi Takenaka
- Organizer
  The 4th International Conference on Advanced Electromaterials(ICAE 2017)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05667
[Presentation] (Bi0.5Na0.5)TiO3系セラミックスの焼成温度と電気的特性に及ぼす銅の添加効果2017
- Author(s)
  中田　諒, 永田　肇, 竹中　正
- Organizer
  第64回応用物理学会春季学術講演会
- Place of Presentation
  パシフィコ横浜（神奈川、横浜市）
- Year and Date
  2017-03-14
- Data Source
  KAKENHI-PROJECT-15K05667
[Presentation] Silver Diffusion Behavior into Bi-based perovskite-type Lead-free Ferroelectric Ceramics2016
- Author(s)
  Hajime Nagata, Naoki Iwagami, Isao Sakaguchi and Tadashi Takenaka
- Organizer
  2016 IEEE International Symposium on the Applications of Ferroelectrics
- Place of Presentation
  Darmstadt, Germany
- Year and Date
  2016-08-21
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05667
[Presentation] Effects of Li-substitution and Sintering Process for (Bi0.5K0.5)TiO3 Ceramics2016
- Author(s)
  M. Tanaka, H. Nagata, and T. Takenaka
- Organizer
  The 8th Japan-China Symposium on Ferroelectric Materials and Their Applications
- Place of Presentation
  Tsukuba, Japan
- Year and Date
  2016-09-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05667
[Presentation] Quenching Effects for Electrical Properties on Lead-Free (Bi1/2Na1/2)TiO3-Based Ceramics2016
- Author(s)
  Hajime Nagata, Hiroki Muramatsu, and Tadashi Takenaka
- Organizer
  IUMRS-17th International Conference in Asia
- Place of Presentation
  Quindao, China
- Year and Date
  2016-10-20
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05667
[Presentation] Silver Diffusion behavior into Bi-based perovskite-type Lead-free Ferroelectric Ceramics2016
- Author(s)
  Hajime NAGATA, Naoki Iwagami, Isao Sakaguchi, and Tadashi TAKENAKA
- Organizer
  2016 IEEE International Symposium on the Application of Ferroelectrics
- Place of Presentation
  Darmstadt, Germany
- Year and Date
  2016-08-21
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K05667
[Presentation] (Bi1/2Na1/2)TiO3セラミックスへの銀の拡散挙動2016
- Author(s)
  永田　肇、岩上直樹、坂口勲、竹中正
- Organizer
  日本セラミックス協会　第29回秋季シンポジウム
- Place of Presentation
  広島大学（広島県、東広島市）
- Year and Date
  2016-09-07
- Data Source
  KAKENHI-PROJECT-15K05667
[Presentation] ビスマス系ペロブスカイト型強誘電体セラミックス中へのAg電極の拡散2016
- Author(s)
  永田　肇，岩上直樹，坂口　勲，竹中　正
- Organizer
  第45回EMシンポジウム
- Place of Presentation
  森戸記念館（東京都、新宿区）
- Year and Date
  2016-06-17
- Data Source
  KAKENHI-PROJECT-15K05667
[Presentation] (Bi1/2K1/2)TiO3セラミックスの焼結性及び電気的諸特性に及ぼす添加物効果2014
- Author(s)
  染谷拓巳・田渕量也・永田肇・竹中正
- Organizer
  日本セラミックス協会　2014年　年会
- Place of Presentation
  慶応大学、東京
- Data Source
  KAKENHI-PROJECT-23760643
[Presentation] (Bi_<1/2>K_<1/2>)TiO_3セラミックスの焼結性及び電気的諸特性に及ぼす添加物効果2014
- Author(s)
 染谷拓巳、田渕量也、永田肇、竹中正
- Organizer
 日本セラミックス協会2014年年会
- Place of Presentation
 慶応大学(東京)
- Data Source
 KAKENHI-PROJECT-23760643
[Presentation] (Bi_<1/2>K_<1/2>)TiO_3セラミックスの焼結性と電気的諸特性2013
- Author(s)
 田渕量也,永田肇,竹中正
- Organizer
 第23回日本MRS年次大会
- Place of Presentation
 横浜(神奈川)
- Data Source
 KAKENHI-PROJECT-23760643
[Presentation] Historical Overview and Current Developments of Lead-free Piezoelectric Ceramics2013
- Author(s)
  Hajime Nagata, and Tadashi Takenaka
- Organizer
  10th Pacific Rim Conference on Ceramic and Glass Technology (PACRIM 10)
- Place of Presentation
  Coronado, USA
- Data Source
  KAKENHI-PROJECT-23760643
[Presentation] Fabrication and Electrical Properties of Dense (Bi_<1/2>K_<1/2>)TiO_3 Ceramics and Their Multilayer Actuator2013
- Author(s)
 H. Nagata, K. Tabuchi, T. Takenaka
- Organizer
 The 2nd International Conference on Advanced Electromaterials
- Place of Presentation
 Jeju, Korea
- Data Source
 KAKENHI-PROJECT-23760643
[Presentation] Historical Overview and Current Developments of Lead-free Piezoelectric Ceramics2013
- Author(s)
  Tadashi Takenaka, and Hajime Nagata
- Organizer
  Tadashi Takenaka, and Hajime Nagata, 10th Pacific Rim Conference on Ceramic and Glass Technology (PACRIM 10)
- Place of Presentation
  Coronado, USA
- Invited
- Data Source
  KAKENHI-PROJECT-23760643
[Presentation] (Bi_<1/2>K_<1/2>)TiO_3セラミックスのカリウム量の変化による電気的諸特性2013
- Author(s)
 田渕量也,永田肇,竹中正
- Organizer
 日本セラミックス協会2013年年会
- Place of Presentation
 東京工業大学(東京)
- Data Source
 KAKENHI-PROJECT-23760643
[Presentation] 非鉛(Bi1/2K1/2)TiO3積層セラミックアクチュエータの試作と電気的諸特性2013
- Author(s)
  永田　肇　・　坂本遼太・竹中　正
- Organizer
  第30回　強誘電体応用会議（FMA）
- Place of Presentation
  コープイン京都
- Data Source
  KAKENHI-PROJECT-23760643
[Presentation] Fabrication and Electrical Properties of Dense (Bi1/2K1/2)TiO3 Ceramics and Their Multilayer Actuator2013
- Author(s)
  Hajime Nagata, Kazuya Tabuchi, and Tadashi Takenaka
- Organizer
  The 2nd International Conference on Advanced Electromaterials (ICAE2013)
- Place of Presentation
  Jeju, Korea
- Invited
- Data Source
  KAKENHI-PROJECT-23760643
[Presentation] Fabrication and Electrical Properties of Dense (Bi_<1/2>K_<1/2>)TiO_3 Ceramic2012
- Author(s)
 Hajime Nagata, Kazuya Tabuchi, Tadashi Takenaka
- Organizer
 ISAF ECPAD PFM 2012
- Place of Presentation
 Aveiro, Portugal
- Data Source
 KAKENHI-PROJECT-23760643
[Presentation] Fabrication and Electrical Properties of dense (Bi_<1/2>K_<1/2>)TiO_3 Ceramics Synthesized from KHCO_3 as a Starting Material2012
- Author(s)
 Kazuya Tabuchi, Hajime Nagata, Tadashi Takenaka
- Organizer
 The 6th International Conference on the Science and Technology for Advanced Ceramics
- Place of Presentation
 Yokohama, Japan
- Data Source
 KAKENHI-PROJECT-23760643
[Presentation] Excess Potassium Effects for Fabricating Dense KNbO3 and (Bi1/2K1/2)TiO3 Ceramics2012
- Author(s)
  Hajime Nagata, K. Tabuchi, N. Yawata and Tadashi Takenaka
- Organizer
  IUMRS International Conference on Electronic Materials 2012
- Place of Presentation
  Yokohama, Japan
- Data Source
  KAKENHI-PROJECT-23760643
[Presentation] KHCO_3を用いた(Bi_<1/2>K_<1/2>)TiO_3の作製と電気的諸特性2012
- Author(s)
 田渕量也,井上雄太,永田肇,竹中正
- Organizer
 第59回応用物理学関係連合講演会
- Place of Presentation
 早稲田大学(東京)
- Data Source
 KAKENHI-PROJECT-23760643
[Presentation] Fabrication and Electrical Properties of Potassium Excess or Poor (Bi_<1/2>K_<1/2>)TiO_3 Ceramics2012
- Author(s)
 Kazuya Tabuchi, Hajime Nagata, Tadashi Takenaka
- Organizer
 The 8th Asian Meeting on Ferroelectrics
- Place of Presentation
 Pataya, Thailand
- Data Source
 KAKENHI-PROJECT-23760643
[Presentation] FABRICATION AND ELECTRICAL PROPERTIES OF DENSE (Bi1/2K1/2)TiO3 CERAMIC2012
- Author(s)
  Hajime Nagata, Kazuya Tabuchi, and Tadashi Takenaka
- Organizer
  IEEE International Symposium on the Applications of Ferroelectrics 2013
- Place of Presentation
  Aveiro, Portugal
- Data Source
  KAKENHI-PROJECT-23760643
[Presentation] Excess Potassium Effects for Fabricating Dense KNbO_3 and (Bi_<1/2>K_<1/2>)TiO_3 Ceramics2012
- Author(s)
 Hajime Nagata, Kazuya Tabuchi, Nobutaka Yawata, Tadashi Takenaka
- Organizer
 IUMRS-International Conference on Electronic Materials
- Place of Presentation
 Yokohama, Japan
- Data Source
 KAKENHI-PROJECT-23760643
[Presentation] (Bi_<1/2>K_<1/2>)TiO_3セラミックスの焼結性に及ぼす出発原料の粒子径効果2012
- Author(s)
 井上雄太,田渕量也,永田肇,竹中正
- Organizer
 第32回エレクトロセラミックス研究討論会
- Place of Presentation
 東京工業大学(東京)
- Data Source
 KAKENHI-PROJECT-23760643
[Presentation] 粒子配向型(Bi1/2K1/2)TiO3-BaTiO3系セラミックスの圧電的諸特性(ポスター)2009
- Author(s)
  根本正博, 書間裕二, 永田肇, 竹中正
- Organizer
  第56回(2009年春季)応用物理学関係連合講演会No. 30a-P3-9
- Place of Presentation
  筑波大学・筑波キャンパス
- Year and Date
  2009-03-30
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi_<0.5>Na_<0.5>)TiO_3系非鉛強誘電体セラミックスの大振幅振動時における圧電諸特性2009
- Author(s)
 永田肇, 渡部朋真, 高井広大, 書間裕二, 竹中正
- Organizer
 圧電材料・デバイスシンポジウム2009 No. A-4
- Place of Presentation
 東北大学・青葉記念会館
- Year and Date
 2009-02-02
- Data Source
 KAKENHI-PROJECT-19360302
[Presentation] SrBi_2Nb_2O_2-Bi_4Ti_3O_<12>系セラミックスの電気的諸特性と圧電温度特性(ポスター)2009
- Author(s)
 宮林宏和, 書間裕二, 永田肇, 竹中正
- Organizer
 日本セラミックス協会・2009年年会 No. 2P027
- Place of Presentation
 東京理科大学・野田キャンパス(野田)
- Year and Date
 2009-03-17
- Data Source
 KAKENHI-PROJECT-19360302
[Presentation] (Bi0.5Na0.5)TiO3系非鉛圧電セラミックスの大振幅特性における圧電諸特性2009
- Author(s)
  永田肇、渡部朋真、高井広大、晝間裕二、竹中正
- Organizer
  圧電材料・デバイスシンポジウム2009
- Place of Presentation
  仙台
- Year and Date
  2009-02-02
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] (Bi0.5Na0.5)TiO3系非鉛圧電セラミックスの大振幅振動特性の評価2009
- Author(s)
  渡部朋真、高井広大、晝間裕二、永田肇、竹中正
- Organizer
  日本セラミックス協会・2009年年会No.3A09
- Place of Presentation
  東京理科大学・野田キャンパス(野田)
- Year and Date
  2009-03-18
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi_<0.5>Na_<0.5>)TiO_3系非鉛圧電セラミックスの大振幅振動特性の評価2009
- Author(s)
 渡部朋真, 高井広大, 書間裕二, 永田肇, 竹中正
- Organizer
 日本セラミックス協会・2009年年会 No. 3A09
- Place of Presentation
 東京理科大学・野田キャンパス(野田)
- Year and Date
 2009-03-18
- Data Source
 KAKENHI-PROJECT-19360302
[Presentation] Piezoelectric Properties of Perovskite-type Lead-Free Ferroelectric Ceramics and Their Applications2009
- Author(s)
  T. Takenaka, Y. Hiruma and H. Nagata
- Organizer
  Piezo 2009 (Electroceramics for End-users IV)
- Place of Presentation
  Zakopane. Poland
- Year and Date
  2009-03-02
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] SrBi2Nb2O9-Bi4Ti3O12系セラミックスの電気的諸特性と圧電温度特性2009
- Author(s)
  宮林宏和、晝間裕二、永田肇、竹中正
- Organizer
  日本セラミックス協会・2009年年会No.2P027
- Place of Presentation
  東京理科大学・野田キャンパス(野田)
- Year and Date
  2009-03-17
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi_<0.5>Na_<0.5>)TiO_3系非鉛強誘電体セラミックスの大振幅振動時における圧電諸特性2009
- Author(s)
 永田肇
- Organizer
 圧電材料・デバイスシンポジウム2009
- Place of Presentation
 仙台・宮城
- Year and Date
 2009-02-02
- Data Source
 KAKENHI-PROJECT-19760470
[Presentation] 粒子配向型(Bi1/2K1/2)TiO3-BaTiO3系セラミックスの圧電的諸特性2009
- Author(s)
  根本正博、晝間裕二、永田肇、竹中正
- Organizer
  第56回(2009年春季)応用物理学関係連合講演会No.30a-P3-9
- Place of Presentation
  筑波大学・筑波キャンパス
- Year and Date
  2009-03-30
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi0.5Na0.5)TiO3系非鉛強誘電体セラミックスの大振幅振動時における圧電諸特性2009
- Author(s)
  永田肇、渡部朋真、高井広大、晝間裕二、竹中正
- Organizer
  圧電材料・デバイスシンポジウム2009No.A-4
- Place of Presentation
  東北大学・青葉記念会館
- Year and Date
  2009-02-02
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Fabrication and Piezoelectric Properties of Grain-Oriented (Bi1/2K1/2)TiO3-BaTiO3 Ceramics2008
- Author(s)
  M. Nemoto, Y. Hiruma, H. Nagata and T. Takenaka
- Organizer
  The 6th Asian Meeting on Ferroelectrics AMF-6
- Place of Presentation
  Taipei, Taiwan
- Year and Date
  2008-08-05
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] (Bi0.5Na0.5)TiO3系非鉛強誘電体セラミックスのハイパワー特性2008
- Author(s)
  晝間裕二、渡部朋真、永田肇、竹中正
- Organizer
  第25回強誘電体応用会議
- Place of Presentation
  京都
- Year and Date
  2008-05-28
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] CaBi2Ta2O9系セラミックスの電気的諸特性と圧電温度特性2008
- Author(s)
  得津統司、宮林宏和、晝間裕二、永田肇、竹中正
- Organizer
  (社)日本セラミックス協会・第21回秋季シンポジウム1PH-12
- Place of Presentation
  北九州国際会議場(北九州市)
- Year and Date
  2008-09-17
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Fabrication and Piezoelectric Properties of Grain-Oriented (Bi_<1/2>K_<1/2>)TiO_3-BaTiO_3 Ceramics2008
- Author(s)
 M. Nemoto. Y. Hiruma, H. Nagata, T. Takenaka
- Organizer
 The 6th Asian Meeting on Ferroelectrics (AMF-6) P-5-3-11 (Poster)
- Place of Presentation
 Taipei, Taiwan.
- Year and Date
 2008-08-05
- Data Source
 KAKENHI-PROJECT-19360302
[Presentation] (Invited talk) High Temperature Piezoelectric Properties of Some Bismuth Layer-Structured Ferroelectric Ceramics2008
- Author(s)
  Tadashi Takenaka. T. Tokutsu, H. Miyabayashi, Y. Hiruma, H. Nagata
- Organizer
  Materials Science & Technology 2008 Conference and. Exhibition (The 110 th Annual Meeting of The American Ceramic Society)
- Place of Presentation
  Pittsburg, PA, USA
- Year and Date
  2008-10-07
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] ペロブスカイト型非鉛強誘電体セラミックスの圧電的諸特性2008
- Author(s)
  竹中正、永田肇、晝間裕二
- Organizer
  (社)日本セラミックス協会・第21回秋季シンポジウム1H-23
- Place of Presentation
  北九州国際会議場(北九州市)
- Year and Date
  2008-09-17
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] ビスマス系無鉛圧電セラミックスの電気的特性と酸素同位体拡散2008
- Author(s)
  永田肇、晝間裕二、竹中正
- Organizer
  日本セラミックス協会2008年年会
- Year and Date
  2008-03-22
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] High-Power Characteristics at Large-Amplitude Vibration of (Bi_<0.5>Na_<0.5>)TiO_3-based Lead-Free Ferroelectric Ceramics2008
- Author(s)
 T. Watanabe. Y. Hiruma, H. Nagata, T. Takenaka
- Organizer
 The 6th Asian Meeting on Ferroelectrics (AMF-6) P-5-3-09 (Poster)
- Place of Presentation
 Taipei, Taiwan.
- Year and Date
 2008-08-05
- Data Source
 KAKENHI-PROJECT-19360302
[Presentation] Electrical Properties and Temperature Dependence of CaBi2Ta2O9-Based Ceramics2008
- Author(s)
  T. Tokutsu, H. Miyabayashi, Y. Hiruma. H. Nagata, T. Takenaka
- Organizer
  AMEC6 & 28th Electronics Division Meeting
- Place of Presentation
  Tsukuba, Japan
- Year and Date
  2008-10-22
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] (Invited talk) Lead-Free Piezoelectric Ceramics with Perovskite and Bismuth Layer-Structures2008
- Author(s)
  T. Takenaka, H. Nagata, Yuji Hiruma
- Organizer
  Symposium P (PI-8) : “Ferroic Materials : Processing, Characterization and Device Application " in IUMRS-ICA 2008
- Place of Presentation
  Nagoya, Japan
- Year and Date
  2008-12-10
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Recent Progress and Future Prospects of Lead-Free Piezoelectric Ceramics for Smart Materials2008
- Author(s)
  T. Takenaka, H. Nagata and Y. Hiruma
- Organizer
  International Conference on Smart Materials Smart/Intelligent Materials and Nanotechnology and 2nd International Workshop on Functional Materials and Nanomaterials (SmartMat-'08 & IWOFM-2)
- Place of Presentation
  Chiang Mai, Thailand
- Year and Date
  2008-04-24
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO3系強誘電体セラミックスのシェアモード圧電特性2008
- Author(s)
  疋田康平、晝間裕二、永田肇、竹中正
- Organizer
  第29回超音波エレクトロニクスの基礎と応用に関するシンポジウム, No. 1P1-18
- Place of Presentation
  仙台市シルバーセンター(仙台)
- Year and Date
  2008-11-11
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] ビスマス系無鉛圧電セラミックスの電気的特性と酸素同位体拡散2008
- Author(s)
  永田肇(平成18年度進歩賞受賞講演)
- Organizer
  日本セラミックス協会・2008年年会
- Place of Presentation
  長岡技術科学大学(長岡)
- Year and Date
  2008-03-22
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Piezoelectric Properties of Bismuth Layer-Structured Ferroelectric Ceramics with Wide Working Temperature2008
- Author(s)
  H. Nagata, T. Tokutsu, H. Miyabayashi, Y. Hiruma, and T. Takenaka
- Organizer
  3rd Japan-Taiwan Workshop on Future Frequency Control Devices
- Place of Presentation
  Taipei, Taiwan
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] Piezoelectric Properties of (Bi1/2K1/2)TiO3-BaTiO3 Ceramics with Wide Working Temperatures2008
- Author(s)
  T. Takenaka, Y. Hiruma, M. Nemoto, and H. Nagata
- Organizer
  The 17th International Symposium on the Applications of Ferroelectrics (ISAF 2008)
- Place of Presentation
  Santa Fe, NM, USA
- Year and Date
  2008-02-26
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] High-Power Characteristics at Large-Amplitude Vibration of(Bi0.5Na0.5)TiO3-based Lead-Free Ferroelectric Ceramics2008
- Author(s)
  T. Watanabe, Y. Hiruma, H. Nagata and T. Takenaka
- Organizer
  The 6th Asian Meeting on Ferroelectrics (AMF-6) P-5-3-09 (Poster)
- Place of Presentation
  National Taipei University of Technology (TNUT), Taipei, Taiwan
- Year and Date
  2008-08-05
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO3系非鉛強誘電体セラミックスの圧電特性2008
- Author(s)
  永田肇, 疋田康平, 書間裕二, 竹中正
- Organizer
  第115回電子セラミック・プロセス研究会No. 20-115-658
- Place of Presentation
  東京理科大学・野田キャンパス
- Year and Date
  2008-07-12
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi1/2Na1/2)TiO3系非鉛強誘電体セラミックスのハイパワー特性2008
- Author(s)
  晝間裕二、渡部朋真、永田肇、竹中正
- Organizer
  第25回強誘電体応用会議No.28-P-1
- Place of Presentation
  コープイン京都
- Year and Date
  2008-05-28
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] CaBi_2Ta_2O_9系セラミックスの電気的諸特性と圧電温度特性(最優秀奨励賞受賞)2008
- Author(s)
  得津統司, 宮林宏和, 書間裕二, 永田肇, 竹中正
- Organizer
  (社)日本セラミックス協会・第21回秋季シンポジウム 1PH-12 (ポスター)
- Place of Presentation
  北九州国際会議場(北九州市)
- Year and Date
  2008-09-17
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi0.5Na0.5)TiO3-SrTiO3系非鉛強誘電体セラミックスの相転移温度と巨大電界誘起歪み2008
- Author(s)
  今井能孝、渡辺芳則、晝間裕二、永田肇、竹中正
- Organizer
  第55回応用物理学関係連合講演会(2008年春季)
- Place of Presentation
  千葉
- Year and Date
  2008-03-27
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] Phase Relations and Piezoelectric Properties of the Lead-free BNT-BKT-BT Solid Solution System2008
- Author(s)
  T. Takenaka, H. Nagata and Y. Hiruma
- Organizer
  The 9th Russia/CIS/Baltic/Japan Symposium on Ferroelectricity (RCBJSF-9)
- Place of Presentation
  Vilnius, Lithuania
- Year and Date
  2008-06-17
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO_3系非鉛強誘電体セラミックスの圧電特性2008
- Author(s)
  永田肇
- Organizer
  第115回プロセス研究会
- Place of Presentation
  野田・千葉
- Year and Date
  2008-07-12
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] 高密度KNbO3系セラミックスの圧電諸特性評価2008
- Author(s)
  広末忠之、都留伸介、晝間裕二、永田肇、竹中正
- Organizer
  日本セラミックス協会・2008年年会No.3A19
- Place of Presentation
  長岡技術科学大学(長岡)
- Year and Date
  2008-03-22
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Evaluation of Piezoelectric Properties for KNbO3-Based Ceramics2008
- Author(s)
  H. Nagata, T. Hirosue, K. Hikita, Y. Hiruma, and T. Takenaka
- Organizer
  The 6th Asian Meeting on Ferroelectrics (AMF-6)
- Place of Presentation
  Taipei, Taiwan
- Year and Date
  2008-08-05
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] 粒子配向型(Bi1/2K1/2)TiO3-BaTiO3系セラミックスの電気的諸特性2008
- Author(s)
  根本正博、晝間裕二、永田肇、竹中正
- Organizer
  第29回超音波エレクトロニクスの基礎と応用に関するシンポジウム, No. 1P1-9
- Place of Presentation
  仙台市シルバーセンター(仙台)
- Year and Date
  2008-11-11
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Fabrication and Electrical Properties of (Bi_<1/2>K_<1/2>)TiO_3-BaTiO_3 Ceramics2008
- Author(s)
 Masahiro Nemoto. Y. Hiruma, H. Nagata, T. Takenaka
- Organizer
 The 6th Asian Meeting on Electroceramics (AMEC-6) P-B-20 (Poster)
- Place of Presentation
 Tsukuba, Japan
- Year and Date
 2008-10-22
- Data Source
 KAKENHI-PROJECT-19360302
[Presentation] Fabrication and Electrical Properties of (Bi1/2K1/2)TiO3-BaTiO3 Ceramics2008
- Author(s)
  Masahiro Nemoto, Y. Hiruma, H. Nagata and T. Takenaka
- Organizer
  The 6th Asian Meeting on Electroceramics (AMEC-6) P-B-20 (Poster)
- Place of Presentation
  Tsukuba, Japan
- Year and Date
  2008-10-22
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO3系セラミックスの圧電経時変化特性2008
- Author(s)
  永田肇、田端壮一郎、広末忠之、晝間裕二、竹中正
- Organizer
  第37回EMシンポジウム(37-1)
- Place of Presentation
  東京理科大学・森戸記念館
- Year and Date
  2008-05-08
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Piezoelectric aging behavior of high density KNbO3-based ceramics2008
- Author(s)
  Hajime Nagata, T. Hirosue, Y. Hiruma, and T. Takenaka
- Organizer
  11th International Conference on Electronic Ceramics and Their Applications (Electroceramics XI-2008)
- Place of Presentation
  Manchester, UK
- Year and Date
  2008-09-03
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO3系セラミックスの圧電経時変化特性2008
- Author(s)
  永田肇、田端総一郎、広末忠之、晝間裕二、竹中正
- Organizer
  第37回EMシンポジウム
- Place of Presentation
  東京
- Year and Date
  2008-05-08
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] Recent Developments of Lead-Free Piezoelectric Ceramics in Japan2008
- Author(s)
  T. Takenaka, H. Nagata and Y. Hiruma
- Organizer
  The 6th Asian Meeting on Ferroelectrics(AMF-6) I-4-6-04
- Place of Presentation
  National Taipei University of Technology (TNUT), Taipei, Taiwan
- Year and Date
  2008-08-04
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Recent Progress and Developments of Lead-Free Piezoelectric Ceramics with Perovskite and Bismuth Layer-Structured Ferroelectrics2008
- Author(s)
  T. Takenaka, Y. Hiruma and H. Nagata
- Organizer
  Symposium F :"Functional Ceramics" in MRS International Materials Research Conference (IMRC)
- Place of Presentation
  Chongqing, China
- Year and Date
  2008-06-10
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3-BaTiO3三成分系の相関係と電気的諸特性2008
- Author(s)
  晝間裕二、永田肇、竹中正
- Organizer
  第29回超音波エレクトロニクスの基礎と応用に関するシンポジウム, No. 1P1-14
- Place of Presentation
  仙台市シルバーセンター
- Year and Date
  2008-11-11
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] High Temperature Piezoelectric Properties of Some Bismuth Layer-Structured Ferroelectric Ceramics2008
- Author(s)
  Tadashi Takenaka, T. Tokutsu, H. Miyabayashi, Y. Hiruma, and H. Nagata
- Organizer
  Materials Science & Technology 2008 Conference and Exhibition(The 110 th Annual Meeting of The American Ceramic Society)
- Place of Presentation
  Pittsburg, PA, USA
- Year and Date
  2008-10-07
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi1/2Na1/2)TiO3系非鉛強誘電体セラミックスの大振幅振動時におけるハイパワー特性2008
- Author(s)
  渡部朋真、晝間裕二、永田肇、竹中正
- Organizer
  第55回(2008年春季)応用物理学関係連合講演会No. 27p-ZK-7
- Place of Presentation
  日本大学理工学部船橋キャンパス
- Year and Date
  2008-03-27
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO_3系セラミックスの圧電経時変化特性2008
- Author(s)
  永田肇, 田端壮一郎, 広末忠之, 書間裕二, 竹中, 正
- Organizer
  第37回 EMシンポジウム(37-1)
- Place of Presentation
  東京理科大学・森戸記念館
- Year and Date
  2008-05-08
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] 広い動作温度と高い機械的品質係数を有する菱面晶(Bi0.5Na0.5)TiO3系非鉛強誘電体セラミックス2008
- Author(s)
  晝間裕二、永田肇、竹中正
- Organizer
  第55回(2008年春季)応用物理学関係連合講演会No. 27p-ZK-6
- Place of Presentation
  日本大学理工学部船橋キャンパス
- Year and Date
  2008-03-27
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Temperature Dependence of Piezoelectric Properties of CaBi_2Ta_2O_9-based Ceramics2008
- Author(s)
  Toii Tokutsu, H. Miyabayashi, Y. Hiruma, H. Nagata, Tadashi Takenaka
- Organizer
  The 6th Asian Meeting on Electroceramics (AMEC-6) P-B-21 (Poster)
- Place of Presentation
  Tsukuba, Japan
- Year and Date
  2008-10-22
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi0.5Na0.5)TiO3系強誘電体セラミックスの大振幅振動時におけるハイパワー特性2008
- Author(s)
  渡部朋真、晝間裕二、永田肇、竹中正
- Organizer
  第55回応用物理学会関係連合講演会
- Place of Presentation
  千葉
- Year and Date
  2008-03-27
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] (Invited talk)Recent Developments of Lead-Free Piezoelectric Ceramics in Japan2008
- Author(s)
  T. Takenaka. H. Nagata, Y. Hiruma
- Organizer
  The 6th Asian Meeting on Ferroeiectrics (AMF-6) I-4-6-04
- Place of Presentation
  Taipei, Taiwan.
- Year and Date
  2008-08-04
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] 粒子配向型(Bi1/2K1/2)TiO3-BaTiO3系セラミックスの電気的諸特性(ポスター)2008
- Author(s)
  根本正博, 書間裕二, 永田肇, 竹中正
- Organizer
  第29回超音波エレクトロニクスの基礎と応用に間するシンポジウム, No. 1P1-9
- Place of Presentation
  仙台市シルバーセンター(仙台)
- Year and Date
  2008-11-11
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Piezoelectric aging behavior of high density KNbO_3-based ceramics2008
- Author(s)
  Hajime NAGATA
- Organizer
  Electroceramics XI
- Place of Presentation
  Machester, UK
- Year and Date
  2008-09-03
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] Evaluation of Piezoelectric Properties for KNbO3-based Ceramics2008
- Author(s)
  H. Nagata, T. Hirosue, K. Hikita, Y. Hiruma and T. Takenaka
- Organizer
  The 6th Asian Meeting on Ferroelectrics (AMF-6) O-5-6-05
- Place of Presentation
  National Taipei University of Technology(TNUT), Taipei, Taiwan
- Year and Date
  2008-08-05
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO3系強誘電体セラミックスのシェアモード圧電特性(ポスター)2008
- Author(s)
  疋田康平, 書間裕二, 永田肇, 竹中正
- Organizer
  第29回超音波エレクトロニクスの基礎と応用に間するシンポジウム. 1P1-18
- Place of Presentation
  仙台市シルバーセンター(仙台)
- Year and Date
  2008-11-11
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] CaBi2Ta2O9系セラミックスの電気的諸特性と圧電温度特性2008
- Author(s)
  得津統司、宮林宏和、晝間祐二、永田肇、竹中正
- Organizer
  日本セラミックス協会・第21回秋季シンポジウム
- Place of Presentation
  小倉
- Year and Date
  2008-09-17
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] Piezoelectric aging behavior of high density KNbO3-based ceramics.2008
- Author(s)
  H. Nagata, T. Hirosue, Y. Hiruma, and T. Takenaka
- Organizer
  Electroceramics XI
- Place of Presentation
  Manchester, UK
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] Piezoelectric Properties of Bismuth Layer-Structured Ferroelectric Ceramics with Wide Working Temperature2008
- Author(s)
  Hajime Nagata, T. Tokutsu, K. Miyabayashi, Y. Hiruma and T. Takenaka
- Organizer
  Third Taiwan-Japan Workshop on Future Frequency Control Devices
- Place of Presentation
  Taipei, Taiwan
- Year and Date
  2008-12-04
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] 広い圧電動作温度と高い圧電定数を有するチタン酸ビスマスナトリウム系強誘電体セラミックス2008
- Author(s)
  晝間裕二、永田肇、竹中正
- Organizer
  圧電材料・デバイスシンポジウム2008No. A-5
- Place of Presentation
  東北大学・青葉記念会館
- Year and Date
  2008-01-24
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] High-Power Characteristics at Large-Amplitude Vibration of (Bi0.5Na0.5)TiO3-based Solid Solution2008
- Author(s)
  Tomomi Watanabe, Y. Hiruma, H. Nagata and T. Takenaka
- Organizer
  The 6th Asian Meeting on Electroceramics (AMEC-6) P-B-18 (Poster)
- Place of Presentation
  Tsukuba, Japan
- Year and Date
  2008-10-22
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Piezoelectric Properties of Bismuth Layer-Structured Ferroelectric Cera mics with Wide Working Temperature2008
- Author(s)
  Hajime Nagata, T. Tokutsu, K. Miyabayashi, Y. Hiruma, T. Takenaka
- Organizer
  Third Taiwan-Japan Workshop on Future Frequency Control Devices
- Place of Presentation
  Taipei, Taiwan
- Year and Date
  2008-12-04
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Lead-Free Piezoelectric Ceramics with Perovskite and Bismuth Layer-Structures2008
- Author(s)
  T. Takenaka, H. Nagata, and Yuji Hiruma
- Organizer
  Symposium P (PI-8) : "Ferroic Materials : Processing, Characterization and Device Application" in IUMRS-ICA 2008
- Place of Presentation
  Nagoya, Japan
- Year and Date
  2008-12-10
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi_<1/2>Na_<1/2>)TiO_3系非鉛強誘電体セラミックスのハイパワー特性2008
- Author(s)
 書間裕二, 渡部朋真, 永田肇, 竹中正
- Organizer
 第25回強誘電体応用会議No. 28-P-1
- Place of Presentation
 コープイン京都
- Year and Date
 2008-05-28
- Data Source
 KAKENHI-PROJECT-19360302
[Presentation] (Invited talk) Recent Progress and Future Prospects of Lead-Free Piezoelectric Ceramics for Smart Materials2008
- Author(s)
  T. Takenaka, H. Nagata, Y. Hiruma
- Organizer
  International Conference on Smart Materials Smart/Intelligent Materials and Nanotechnology and 2nd International Workshop on Functional Materials and Nanomaterials
- Place of Presentation
  Chiang Mai, Thailand
- Year and Date
  2008-04-24
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Evaluation of Piezoelectric Properties for KNbO3-based Ceramics2008
- Author(s)
  H. Nagata, T. Hirosue, K. Hikita, Y. Hiruma, T. Takenaka
- Organizer
  The 6th Asian Meeting on Ferroelectrics (AMF-6) O-5-6-05
- Place of Presentation
  Taipei, Taiwan.
- Year and Date
  2008-08-05
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Piezoelectric Properties of Bismuth Layer-Structured Ferroelectric Ceramics with Wide Working Temperature2008
- Author(s)
  Hajime NAGATA
- Organizer
  Third Japan-Taiwan Workshop on Future Frequency Control Devices
- Place of Presentation
  高雄・台湾
- Year and Date
  2008-12-03
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] (依頼講演)ペロプスガイド型非鉛強誘電体セラミックスの圧電的諸特性2008
- Author(s)
  竹中正, 永田肇, 書間裕二
- Organizer
  (社)日本セラミックス協会・第21回秋季シンポジウム 1H-23
- Place of Presentation
  北九州関際会議場(北九州市)
- Year and Date
  2008-09-17
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Large Electrostrain of(Bi1/2Na1/2)TiO3-SrTiO3 Lead-Free Piezoelectric Ceramics2008
- Author(s)
  Yuji Hiruma, Y. Imai, H. Nagata and T. Takenaka
- Organizer
  The 9th European Conference on Applications of Polar Dielectrics(ECAPD-9)
- Place of Presentation
  Roma, Italy
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] 非鉛圧電材料の最近の研究開発状況2008
- Author(s)
  竹中正、永田肇、晝間裕二
- Organizer
  (特別講演)(社)電気化学会・第75回大会特3G17
- Place of Presentation
  山梨大学(甲府市)
- Year and Date
  2008-03-31
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Large Electrostrain of (Bi_<1/2>Na_<1/2>)TiO_<3-> SrTiO_3 Lead-Free Piezoelectric Ceramics2008
- Author(s)
 Yuji Hirunma, Y. Imai, H. Nagata, T. Takenaka
- Organizer
 The 9th European Conference on Applications of Polar Dielectrics (ECAPD-9)
- Place of Presentation
 Roma, Italy
- Data Source
 KAKENHI-PROJECT-19360302
[Presentation] High-Power Characteristics at Large-Amplitude Vibration of (Bi_<0.5>Na_<0.5>)TiO_3-based Solid Solution2008
- Author(s)
 Tomomi Watanabe. Y. Hiruma, H. Nagata, T. Takenaka
- Organizer
 The 6th Asian Meeting on Electroceramics (AMEC-6) P-B-18 (Poster)
- Place of Presentation
 Tsukuba, Japan
- Year and Date
 2008-10-22
- Data Source
 KAKENHI-PROJECT-19360302
[Presentation] (Bi0.5Na0.5)TiO3-SrTiO3系非鉛強誘電体セラミックスの相転移温度と巨大電界誘起歪み2008
- Author(s)
  今井能孝、渡辺芳則、晝間裕二、永田肇、竹中正
- Organizer
  第55回(2008年春季)応用物理学関係連合講演会No. 27p-ZK-5
- Place of Presentation
  日本大学理工学部船橋キャンパス
- Year and Date
  2008-03-27
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Piezoelectric aging behavior of high density KNbO_3-based ceramics2008
- Author(s)
  Hajime Nagata, T. Hirosue, Y Hiruma, T Takenaka
- Organizer
  11th International Conference on Electronic Ceramics and Their Applications (Electroceramics XI-2008) D2-028-O.
- Place of Presentation
  Manchester, UK
- Year and Date
  2008-09-03
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO3系非鉛強誘電体セラミックスの圧電特性2008
- Author(s)
  永田肇、疋田康平、晝間裕二、竹中正
- Organizer
  第115回電子セラミック・プロセス研究会No.20-115-658
- Place of Presentation
  東京理科大学・野田キャンパス
- Year and Date
  2008-07-12
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO_3系セラミックスの圧電経時変化特性2008
- Author(s)
  永田肇
- Organizer
  第37回EMシンポジウム
- Place of Presentation
  神楽坂・東京
- Year and Date
  2008-05-08
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] (Invited talk) Phase Relations and Piezoelectric Properties of the Lead-free BNT-BKT-BT Solid Solution System2008
- Author(s)
  T. Takenaka. H. Nagata, Y. Hiruma
- Organizer
  The 9th Russia/CIS/Baltic/Japan Symposium on Ferroelectricity (RCBJSF-9)
- Place of Presentation
  Vilnius, Lithuania
- Year and Date
  2008-06-17
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi1/2Nal/2)TiO3-(Bi1/2K1/2)TiO3-BaTiO3三成分系の相間係と電気的諸特性(ポスター)2008
- Author(s)
  書間裕二, 永田肇, 竹中正
- Organizer
  第29回超音波エレクトロニクスの基礎と応用に関するシンポジウム, No. 1P1-14
- Place of Presentation
  仙台市シルバーセンター(仙台)
- Year and Date
  2008-11-11
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Fabrication and Piezoelectric Properties of Grain-Oriented (Bi1/2K1/2)TiO3-BaTiO3 Ceramics2008
- Author(s)
  M. Nemoto, Y. Hiruma, H. Nagata and T. Takenaka
- Organizer
  The 6th Asian Meeting on Ferroelectrics (AMF-6) P-5-3-11 (Poster)
- Place of Presentation
  National Taipei University of Technology (TNUT), Taipei, Taiwan
- Year and Date
  2008-08-05
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi1/2Na1/2)TiO3系非鉛強誘電体セラミックスの相転移温度と電気的諸特性に関する研究2008
- Author(s)
  渡辺芳則、晝間裕二、永田肇、竹中正
- Organizer
  (財)科学技術振興会・第99回誘電体研究委員会No.99-5
- Place of Presentation
  東京理科大学森戸記念館
- Year and Date
  2008-03-26
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] ビスマス系無鉛圧電セラミックスの電気的特性と酸素同位体拡散2008
- Author(s)
  永田肇、晝間裕二、竹中正
- Organizer
  日本セラミックス協会・2008年年会No.3A07A
- Place of Presentation
  長岡技術科学大学(長岡)(平成18年度進歩賞受賞講演)
- Year and Date
  2008-03-22
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Temperature Dependence of Piezoelectric Properties of CaBi2Ta2O9-based Ceramics2008
- Author(s)
  Toji Tokutsu, H. Miyabayashi, Y. Hiruma, H. Nagata and Tadashi Takenaka
- Organizer
  The 6th Asian Meeting on Electroceramics (AMEC-6) P-B-21(Poster)
- Place of Presentation
  Tsukuba, Japan
- Year and Date
  2008-10-22
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Invited talk) Recent Progress and Developments of Lead-Free Piezoelectric Ceramics with Perovskite and Bismuth Layer-Structured Ferroelectrics2008
- Author(s)
  T. Takenaka. Y. Hiruma, H. Nagata
- Organizer
  Symposium F : “Functional Ceramics" in MRS International Materials Research Conference (IMRC)
- Place of Presentation
  Chongqing, China
- Year and Date
  2008-06-10
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Fabrication and Piezoelectric Properties of Potassium Niobate Based Lead-Free Ferroelectric Ceramics2007
- Author(s)
  T. Takenaka, K. Matsumoto, T. Hirosue, Y. Hiruma and H. Nagata
- Organizer
  Materials Science & Technology 2007 Conference and Exhibition (The 109 th Annual Meeting of The American Ceramic Society)
- Place of Presentation
  Detroit, Michigan, USA
- Year and Date
  2007-09-17
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi1/2Na1/2)TiO3-BiAlO3系セラミックスの作製と電気的諸特性2007
- Author(s)
  渡辺芳則、晝間祐二、永田肇、竹中正
- Organizer
  日本セラミックス協会・第27回エレクトロセラミックス研究討論会 No. 2P-14
- Place of Presentation
  東京理科大学・森戸記念館
- Year and Date
  2007-10-19
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] 粒子配向したビスマス層状構造強誘電体セラミックスの圧電温度特性2007
- Author(s)
  永田肇、稲井慎也、中井大祐、得津統司、晝間裕二、竹中正
- Organizer
  第36回EM シンポジウム(36-X)
- Place of Presentation
  工学院大学(東京)
- Year and Date
  2007-05-17
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Fabrication and Piezoelectric Properties of Grain Oriented (Bi1/2K1/2)TiO3- BaTiO3 Ceramics2007
- Author(s)
  M. Nemoto, Y. Hiruma, H. Nagata and T. Takenaka
- Organizer
  第28回超音波エレクトロニクスの基礎と応用に関するシンポジウム
- Place of Presentation
  つくば
- Year and Date
  2007-11-15
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] 高密度KNbO3セラミックスの作製プロセス2007
- Author(s)
  広末忠之、松本研司、晝間裕二、永田肇、竹中正
- Organizer
  (社)日本セラミックス協会・第20回秋季シンポジウム1PL-03
- Place of Presentation
  名古屋工業大学(名古屋市)
- Year and Date
  2007-09-12
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] High Temperature Piezoelectric Properties of some Bismuth Layer-structured Ferroelectrics2007
- Author(s)
  H. Nagata, T. Tokutsu, D. Nakai, Y. Hiruma and T. Takenaka
- Organizer
  11th European Meeting on Ferroelectricity (EMF-11)
- Place of Presentation
  Bled, Slovania
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO_3系セラミックスにおける圧電諸特性の経時変化2007
- Author(s)
  永田肇
- Organizer
  第20回に本セラミックス協会秋季シンポジウム
- Place of Presentation
  名古屋工業大学,名古屋
- Year and Date
  2007-09-12
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] Piezoelectric Properties of Potassium Niobate Based Ferroelectric Ceremics2007
- Author(s)
  H. Nagata, T. Hirosue, Y. Hiruma and T. Takenaka
- Organizer
  Second Japan-Taiwan Workshop on Future Frequency Control Devices
- Place of Presentation
  Taipei, Taiwan
- Year and Date
  2007-12-05
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] High Temperature Piezoelectric Properties of some Bismuth Layer-structured Ferroelectrics2007
- Author(s)
  Hajime Nagata
- Organizer
  11th European Meeting of Ferroelectricity
- Place of Presentation
  Bled, Slovenia
- Year and Date
  2007-09-04
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] Piezoelectric Properties of Potassium Niobate Based Ferroelectric Ceramics2007
- Author(s)
  H. Nagata, T. Hirosue, Y. Hiruma and T. Takenaka
- Organizer
  Second Japan-Taiwan Workshop on Future Frequency Control Devices
- Place of Presentation
  Taipei, Taiwan
- Year and Date
  2007-12-05
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] 粒子配向したビスマス層状構造強誘電体セラミックスの圧電温度特性2007
- Author(s)
  永田肇
- Organizer
  第36回EMシンポジウム
- Place of Presentation
  工学院大学,新宿
- Year and Date
  2007-05-17
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] KNbO_3系セラミックスにおける圧電諸特性の経時変化2007
- Author(s)
  永田肇
- Organizer
  (社)日本セラミックス協会・第20回秋季シンポジウム
- Place of Presentation
  名古屋工業大学(名古屋)
- Year and Date
  2007-09-12
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO3系セラミックスにおける圧電諸特性の経時変化2007
- Author(s)
  永田肇、広末忠之、松本研司、晝間裕二、竹中正
- Organizer
  (社)日本セラミックス協会・第20回秋季シンポジウム1L-17
- Place of Presentation
  名古屋工業大学(名古屋市)
- Year and Date
  2007-09-12
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] 粒子配向したビスマス層状構造強誘電体セラミックスの圧電温度特性2007
- Author(s)
  永田肇、稲井慎也、中井大祐、得津統司、晝間裕二、竹中正
- Organizer
  第36回EMシンポジウム
- Place of Presentation
  東京
- Year and Date
  2007-05-17
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] Perovskite-structured lead-free piezoelectric ceramics2007
- Author(s)
  T. Takenaka, H. Nagata, and Y. Hiruma, K. Matsumoto and K. Yoshii
- Organizer
  2nd International Workshop on Smart Materials and Structures
- Place of Presentation
  Kiel, Germany
- Year and Date
  2007-08-31
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] High Temperature Piezoelectric Properties of some Bismuth Layer-structured Ferroelectrics2007
- Author(s)
  H. Nagata, T. Tokutsu, D. Nakai, Y. Hiuruma and T. Takenaka
- Organizer
  The 11th European Meeting on Ferroelectricity
- Place of Presentation
  Bled, Slovenia
- Year and Date
  2007-09-05
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] High Temperature Piezoelectric Properties of some Bismuth Layer-structured Ferroelectrics2007
- Author(s)
  H. Nagata
- Organizer
  11th European Meeting on Ferroelectricity(EMF-11)
- Place of Presentation
  Bled, Slovania
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] 非鉛系圧電セラミックスの研究開発状況と課題2007
- Author(s)
  竹中正、永田肇、晝間裕二
- Organizer
  第28回超音波エレクトロニクスの基礎と応用に関するシンポジウム, No. 1-INV
- Place of Presentation
  つくば国際会議場(つくば)(招待講演、45分)
- Year and Date
  2007-11-14
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Phase Transition Temperature and Piezoelectric Properties of La2O3 Doped(Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3 Ceramics2007
- Author(s)
  T. Takenaka, K. Yoshii, Y. Hiruma and H. Nagata
- Organizer
  13th US-Japan Seminar on Dielectric and Piezoelectric Ceramics
- Place of Presentation
  Awaji, Japan
- Year and Date
  2007-11-05
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] 粒子配向したビスマス層状構造強誘電体セラミックスの圧電温度特性2007
- Author(s)
  永田肇
- Organizer
  第36回 EMシンポジウム
- Place of Presentation
  工学院大学(東京都新宿区)
- Year and Date
  2007-05-17
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Piezoelectric Properties of Potassium Niobate Based Ferroelectric Ceramics2007
- Author(s)
  Hajime Nagata
- Organizer
  2nd Japan-Taiwan Workshop on Future Frequency Control Devices
- Place of Presentation
  淡水,台湾
- Year and Date
  2007-12-03
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] Grain-Orientation Effects for Temperature Dependences of Piezoelectric Properties on Vanadium Substituted SrBi2Nb2O9 Ceramics2007
- Author(s)
  H. Nagata, S. Inai, Y. Hiruma and T. Takenaka
- Organizer
  13th US-Japan Seminar on Dielectric and Piezoelectric Ceramics
- Place of Presentation
  Awaji, Japan
- Year and Date
  2007-11-05
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO3系強誘電体セラミックスの作製プロセスと電気的諸特性2007
- Author(s)
  永田肇、松本研司、広末忠之、花神大樹、晝間裕二、竹中正
- Organizer
  第24回強誘電体応用会議
- Place of Presentation
  京都
- Year and Date
  2007-05-23
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] KNbO_3系強誘電体セラミックスの作製プロセスと電気的諸特性2007
- Author(s)
  永田肇
- Organizer
  第24回強誘電体応用会議
- Place of Presentation
  コープイン京都
- Year and Date
  2007-05-23
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO3系強誘電体セラミックスの作製プロセスと電気的諸特性2007
- Author(s)
  永田肇、松本研司、広末忠之、花神大樹、晝間裕二、竹中正
- Organizer
  第24回強誘電体応用会議No.23-P-4
- Place of Presentation
  コープイン京都
- Year and Date
  2007-05-23
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] (Bi1/2Na1/2)TiO3-BiAlO3系セラミックスの作製と電気的諸特性2007
- Author(s)
  渡辺芳則、晝間裕二、永田肇、竹中正
- Organizer
  第27回エレクトロセラミックス研究討論会
- Place of Presentation
  東京
- Year and Date
  2007-10-19
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] Grain-Orientation Effects for Temperature Dependences of Piezoelectric Properties on Vanadium Substituted SrBi_2Nb_2O_9 Ceramics2007
- Author(s)
  Hajime Nagata
- Organizer
  13th US-Japan Seminar on Dielectric and Piezoelectric Ceramics
- Place of Presentation
  Awaji, Japan
- Year and Date
  2007-11-05
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] Recent progress of perovskite-based lead-free piezoe lectric ceramics2007
- Author(s)
  T. Takenaka, H. Nagata and Y. Hiruma
- Organizer
  The Fifth China International Conference on High-Performance Ceramics(CICC-5), SC000
- Place of Presentation
  Changsha, China
- Year and Date
  2007-05-12
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Temperature Dependences of Piezoelectric Properties of Vanadium-modified and Grain-Oriented SrBi2Nb2O9 Ceramics2007
- Author(s)
  T. Takenaka, S. Inai, Y. Hiruma and H. Nagata
- Organizer
  2007 IEEE International Ultrasonics Symposium
- Place of Presentation
  New York, USA
- Year and Date
  2007-10-31
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] 粒子配向型(Bi1/2K1/2)TiO3-BaTiO3系セラミックスの作製とその圧電的諸特性2007
- Author(s)
  根本正博、晝間裕二、永田肇、竹中正
- Organizer
  第28回超音波エレクトロニクスの基礎と応用に関するシンポジウム
- Place of Presentation
  つくば国際会議場(つくば)
- Year and Date
  2007-11-14
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] KNbO3系セラミックスにおける圧電諸特性の経時変化2007
- Author(s)
  永田肇、広末忠之、松本研司、晝間裕二、竹中正
- Organizer
  日本セラミックス協会第20回秋季シンポジウム
- Place of Presentation
  名古屋
- Year and Date
  2007-09-12
- Data Source
  KAKENHI-PROJECT-19760470
[Presentation] Phase Transition Temperatures and Piezoelectric Properties of (Bi1/2Na1/2)TiO3-(Bi1/2Li1/2)TiO3-(Bi1/2K1/2)TiO3 Ternary Systems2007
- Author(s)
  Y. Hiruma, H. Nagata and T. Takenaka
- Organizer
  The 16th International Symposium on the Applications of Ferroelectrics (ISAF 2007)
- Place of Presentation
  Nara, Japan
- Year and Date
  2007-05-28
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Integrated Ultrasonic Transducers above 500°C2007
- Author(s)
  M. Kobayashi, H. Nagata, Y. Hiruma, T. Tokutsu, T. Takenaka and C.-K. Jen
- Organizer
  2007 IEEE International Ultrasonics Symposium
- Place of Presentation
  New York, USA
- Year and Date
  2007-10-31
- Data Source
  KAKENHI-PROJECT-19360302
[Presentation] Bi0.5(Na,Li)0.5TiO3非鉛強誘電体セラミックスの相転移温度と電気的諸特性2007
- Author(s)
  晝間裕二、永田肇、竹中正
- Organizer
  2007年秋季第68回応用物理学会学術講演会No.5p-ZK-12
- Place of Presentation
  北海道工業大学(札幌)
- Year and Date
  2007-09-05
- Data Source
  KAKENHI-PROJECT-19360302

1. TAKENAKA Tadashi (70096709)

# of Collaborated Projects: 3 results

# of Collaborated Products: 206 results
2. AOYAGI Rinraro (30385520)

# of Collaborated Projects: 2 results

# of Collaborated Products: 19 results
3. 晝間裕二 (50453816)

# of Collaborated Projects: 1 results

# of Collaborated Products: 29 results
4. NOMURA Takeshi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. AOYAGI AOYAGI

# of Collaborated Projects: 1 results

# of Collaborated Products: 13 results

Nagata Hajime 永田 肇

NAGATA Hajime 永田 肇

永田 肇 ナガタ ハジメ

Research Projects

Research Products

Co-Researchers

Control of Phase Transition Temperature on Environmental Friendly Lead-free Piezoelectric Ceramics based on Bismuth Sodium TitanatePrincipal Investigator

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Diffusion and Reaction between Bismuth-based Lead-free Piezoelectric Ceramics and ElectrodesPrincipal Investigator

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Development of grain oriented multilayer ceramic actuator using bismuth based lead-free perovskitesPrincipal Investigator

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Development and Research of Lead-free Piezoelectric Devices based on Environmental Friendly Ferroelectric Ceramics

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Development and research of lead-free ceramic resonator using bismuthlayer-structured ferroelectricsPrincipal Investigator

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Developments of Piezoelectric Actuators by Using Environmentally Gentle Lead-Free Piezoelectric Ceramics

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Developments of Piezoelectric Actuators by Using Envirnmentally Gentle Lead-Free Piezoelectric

Principal Investigator

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粒子配向型ビスマス層状構造強誘電体セラミックスの圧電的性質Principal Investigator

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Research Institution

[Book] 無鉛圧電セラミックス・デバイス2008

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Publisher

Data Source

[Journal Article] High-power piezoelectric properties of quenched (Bi<sub>0.5</sub>Na<sub>0.5</sub>)TiO<sub>3</sub>-based solid-solution ceramics2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Oxygen tracer diffusion analysis and observation of domain structure in quenched (Bi<sub>0.5</sub>Na<sub>0.5</sub>)TiO<sub>3</sub> ceramics2022

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Data Source

[Journal Article] Quenching effects on depolarization temperature and 18O tracer diffusion in (Bi0.5Na0.5)TiO3 ceramics with acceptor and donor additives2021

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NAID

Data Source

[Journal Article] Temperature dependence of dielectric properties and phase transition behavior in quenched (Bi0.5Na0.5)TiO3 ceramics2021

Author(s)

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Data Source

[Journal Article] The quenching effects for depolarization temperature of (Bi0.5Na0.5)TiO3ceramics with Mn dopants2020

Author(s)

Nagata Hajime 永田肇

NAGATA Hajime 永田肇

永田肇ナガタハジメ