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TAKENAKA Tadashi  竹中 正

ORCIDConnect your ORCID iD *help
Researcher Number 70096709
Other IDs
External Links
Affiliation (based on the past Project Information) *help 1996 – 2008: FACULTY OF SCIENCE AND TECHNOLOGY,PROFESSOR, 理工学部, 教授
1996: 東京理科大学, 理工学部・電気工学科, 教授
1995: 東京理科大学, 理工学部・電気工学科, 助教授
Review Section/Research Field
Principal Investigator
Inorganic materials/Physical properties / Inorganic materials/Physical properties
Keywords
Principal Investigator
電気機械結合係数 / 強誘電体 / チタン酸ビスマスナトリウム / FERROELECTRICS / ELECTROMECHANICAL COUPLING FACTOR / ビスマス層状構造強誘電体 / 圧電性 / BISMUTH PEROVSKITES / LEAD-FREE PIEZOELECTRICS / 無鉛圧電セラミックス … More / 機械的品質係数Qm / 電気機械結合係数k / ビスマスペロブスカイト / 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 / PIEZOELECTRICS / BISMUTH LAYER-STRUCTURED FERROELECTRICS / PIEZOELECTRIC CERAMICS / Temperature dependence of freq. / Bismuth Layer-Structured Ferroelectrics / Mechanical Quality Factor / 共振周波数温度特性 / 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 / 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 / MECHANICAL QUALIY, FACTOR / RESIBATOR / BISMUTH LAYER-STRUCTURED FERROELECTRIS / レゾネータ / ペロブスカイト化合物 / 非鉛圧電材料 / BISNUTH SODIUM TITANATE / ビスマスプロブスカイト / スカンジウム / BISMUTH PEROVSKITE COMPOUND / ビスマスペロブスカイト化合物 / 圧電セラミックス / 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 / ペロブスカイト構造 / 脱分極温度 / 圧電定数 / 圧電体 Less
  • Research Projects

    (7 results)
  • Research Products

    (227 results)
  • Co-Researchers

    (5 People)
  •  Development and Research of Lead-free Piezoelectric Devices based on Environmental Friendly Ferroelectric CeramicsPrincipal Investigator

    • 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
  •  Developments of Piezoelectric Actuators by Using Environmentally Gentle Lead-Free Piezoelectric CeramicsPrincipal Investigator

    • 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 PiezoelectricPrincipal Investigator

    • 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
  •  BISMUTH-BASED FERROELECTRICS AND THEIR APPLICATIONS TO LEAD-FREE PIEZOELECTRIC DEVICESPrincipal Investigator

    • Principal Investigator
      TAKENEKA Tadashi
    • Project Period (FY)
      2001 – 2002
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Inorganic materials/Physical properties
    • Research Institution
      FUCULTY OF CIENCE AND TECHNOLOGY, TOKYO UNIVERSITY OF SCIENCE
  •  RESEARCH AND DEVELOPMENT OF LEAD-FREE PIEZOELECTRIC CERAMIC MATERIALSPrincipal Investigator

    • Principal Investigator
      TAKENAKA Tadashi
    • Project Period (FY)
      1999 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research (B).
    • Research Field
      Inorganic materials/Physical properties
    • Research Institution
      FACULTY OF SCIENCE AND TECHNOLOGY, SCIENCE UNIVERSITY OF TOKYO
  •  DEVELOPMENT OF LEAD-FREE PIEZOELECTRIC CERAMIC MATERIALSPrincipal Investigator

    • Principal Investigator
      TAKENAKA Tadashi
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Inorganic materials/Physical properties
    • Research Institution
      FACULTY OF SCIENCE AND RECHNOLOGY,SCIENCE UNIVERSITY OF TOKYO
  •  DEVELOPMENT OF NEW PIEZOELECTRIC CERAMICSPrincipal Investigator

    • Principal Investigator
      TAKENAKA Tadashi
    • Project Period (FY)
      1995 – 1996
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Inorganic materials/Physical properties
    • Research Institution
      FACULTY OF SCIENCE AND TECHNOLOGY,SCIENCE UNIVERSITY OF TOKYO

All 2009 2008 2007 2006 2005 2004 2003 Other

All Journal Article Presentation Book

  • [Book] Ahmad Safari and E. Koray Akdogan eds : “Piezoelectric and Acoustic Materials for Transducer Applications", Chapter 6, “Bismuth-based Piezoelectric Ceramics"2008

    • Author(s)
      Tadashi Takenaka
    • Publisher
      Springer
    • Data Source
      KAKENHI-PROJECT-19360302
  • [Book] “Grain orientation and electrical properties of bismuth layer-structure ferroe lectrics" in Handbook of advanced dielectric, piezoelectric and ferroelectric materials2008

    • Author(s)
      Tadashi Takenaka
    • Publisher
      Woodhead Publishing Limited and CRC Press LLC
    • Data Source
      KAKENHI-PROJECT-19360302
  • [Book] 塩嵜 忠(監修) : 「圧電材料の基礎と最新応用」第4編、第3章「新規圧電材料と開発動向」2008

    • Author(s)
      竹中 正
    • Total Pages
      246
    • Publisher
      (株)シーエムシー出版
    • 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] 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] 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] 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] 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] 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] 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] 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] 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] 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 (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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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/_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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] 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] Piezoelectric Properties of SrBi_2M_<2-x>V_xO_9 (M=Nb and Ta) Ceramics2006

    • Author(s)
      Rintaro Aoyagi, Shinya Inai, Tadashi Takenaka
    • Journal Title

      Journal of Electroceramics vol. 17, No. 2, 3, 4

      Pages: 1087-1090

    • 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] 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] 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 of SrBi_2M_2-xVxO_9(M=Nb and Ta)Ceramics2006

    • Author(s)
      Rintaro Aoyagi, Shinya Inai, Tadashi Takenaka
    • Journal Title

      Journal of Electroceramics Vol.17,No.2,3,4

      Pages: 1087-1090

    • Data Source
      KAKENHI-PROJECT-17360327
  • [Journal Article] Piezoelectric Properties of Nd and V co-substituted Bi_4Ti_3O_1_2 Ceramics2006

    • Author(s)
      Satoru Matsuzawa, Y.Hiruma, H.Naata, Tadashi Takenaka
    • Journal Title

      Key Engineering Materials Vol.320

      Pages: 39-42

    • 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] 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] 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_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 (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_<1/2>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] 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] 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] 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] 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] 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] 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 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] 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)_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] 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] 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] (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, 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] 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] Piezoelectric Properties of Vanadium-Substituted Strontium Bismuth Niobate2005

    • Author(s)
      Rintaro AOYAGI, S.INAI, Y.HIRUMA, T.TAKENAKA
    • Journal Title

      Japanese Journal of the Applied Physics Vol.44, Part 1, No.9B

      Pages: 7055-7058

    • NAID

      130004534668

    • 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] Electric Properties of Sr_<1-x>Bi_<2+x>(Ta_<2-y>Nb_y)O_9 Ceramics2005

    • Author(s)
      Rintaro Aoyagi, Shinya Inai, Yuji Hiruma, Tadashi Takenaka
    • Journal Title

      Key Engineering Materials Vol.301

      Pages: 11-14

    • 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] (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] 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] 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] 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] 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] 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] 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] 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] 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] 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] セラミックスの電磁気的・光学的性質 V.誘電的性質-誘電性2004

    • Author(s)
      竹中 正
    • Journal Title

      セラミックス 39(9)

      Pages: 749-754

    • 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] Number of Dielectric Layers Dependence of Dielectric Properties and Residual Stress of Multilayer Ceramics Capacitors with Ni Electrodes2004

    • Author(s)
      Yukie Nakano, Takeshi Nomura, Tadashi Takenaka
    • Journal Title

      Japanese Journal of Applied Physics Vol.43(No.8A)

      Pages: 5398-5403

    • NAID

      10013470399

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-15360352
  • [Journal Article] Number of Dielectric Layers Dependence of Dielectric Properties and Residual Stress of Multilayer Ceramics Capacitors with Ni Electrodes2004

    • Author(s)
      Yukie Nakano, Takeshi Nomura, Tadashi Takenaka
    • Journal Title

      Japanese Journal of Applied Physics 43,(8A)

      Pages: 5398-5403

    • NAID

      10013470399

    • 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] 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] 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] 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 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] 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] 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] 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] MOCVD growth of epitaxial pyrochlore Bi_2Ti_2O_7 thin film2003

    • Author(s)
      Muneyasu Suzuki, Takayuki Watanabe, Tadashi Takenaka, Hiroshi Funakubo
    • Journal Title

      Journal of the European Ceramic Society Vol.26

      Pages: 2006-2006

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17360327
  • [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] (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] 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] 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] 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] (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] 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] 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-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] 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] 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] 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] (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] (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] (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] 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] 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] 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] 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] 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] 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] 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] 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] 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] (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] (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] 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] 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] 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] 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] 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] 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] 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] (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] 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] 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] 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] 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] Piezoelectric Properties of(Bi_<1/2>K_<1/2>)TiO_3-BaTiO_3 Ceramics with Wide Working Temperatures2008

    • Author(s)
      T. Takenaka(Plenary-60 min)
    • Organizer
      The 17th International Symposium on the Applic ations of Ferroelectrics(ISAF 2008)
    • Place of Presentation
      Santa Fe, NM, USA
    • Year and Date
      2008-02-26
    • Data Source
      KAKENHI-PROJECT-19360302
  • [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] 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] 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] 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] 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] 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] 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] 非鉛圧電材料の最近の研究開発状況 (特別講演)2008

    • Author(s)
      竹中 正
    • Organizer
      (社)電気化学会・第75回大会
    • Place of Presentation
      山梨大学(甲府市)
    • Year and Date
      2008-03-31
    • 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(Invited-20 min)
    • Organizer
      Materials Science & Technology 2007 Conference and Exhibition(The 109th 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] Recent progress of perovskite-based lead-free piezoelectric ceramics2007

    • Author(s)
      T. Takenaka(Invited, 30 min)
    • Organizer
      The Fifth China International Conference on High-Performance Ceramics(CICC-5)
    • Place of Presentation
      Changsha, China
    • Year and Date
      2007-05-12
    • 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] 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] 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] 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] 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] 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(招待講演、45分)
    • 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] 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] 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] 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] 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] 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] 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] Temperature Dependences of Piezoelectric Properties of Vanadium-modified and Grain-Oriented SrBi_2Nb_2O_9 Ceramics2007

    • Author(s)
      T. Takenaka
    • Organizer
      2007 IEEE International Ultrasonics Symposium
    • Place of Presentation
      New York, USA
    • Year and Date
      2007-10-31
    • Data Source
      KAKENHI-PROJECT-19360302
  • [Presentation] Recent Progress and Future Prospects of Lead-Free Piezoelectric Ceramics2007

    • Author(s)
      Tadashi Takenaka(Invited, 20 min)
    • Organizer
      International Conference on Engineering, Applied Sciences, and Technology(ICEAST2007)
    • Place of Presentation
      Bangkok, Thailand
    • Year and Date
      2007-11-22
    • 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] 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] 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] 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
  • [Presentation] Phase Transition Temperature and Piezoelectric Properties of La2O3 Doped (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3 Ceramics2007

    • Author(s)
      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] Recent Progress and Future Prospects of Lead-Free Piezoelectric Ceramics2007

    • Author(s)
      Tadashi Takenaka
    • Organizer
      International Conference on Engineering, Applied Sciences, and Technology (ICEAST 2007)
    • Place of Presentation
      Bangkok, Thailand
    • Year and Date
      2007-11-22
    • Data Source
      KAKENHI-PROJECT-19360302
  • 1.  NAGATA Hajime (70339117)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 268 results
  • 2.  NOMURA Takeshi
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 2 results
  • 3.  AOYAGI Rinraro (30385520)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 23 results
  • 4.  晝間 裕二 (50453816)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 29 results
  • 5.  AOYAGI AOYAGI
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 17 results

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