Igawa Naoki 井川直樹

… Alternative Names

IGAWA Naoki 井川直樹

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Researcher Number	60354833
Other IDs	https://orcid.org/0000-0003-4230-4566
Affiliation (Current)	2025: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究所物質科学研究センター, 研究主幹
Affiliation (based on the past Project Information) *help	2018 – 2022: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門原子力科学研究所物質科学研究センター, 研究主幹 2016 – 2017: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門物質科学研究センター, 研究主幹 2014: 独立行政法人日本原子力研究開発機構, 原子力科学研究部門・量子ビーム応用研究センター, 主任研究員 2012 – 2014: 独立行政法人日本原子力研究開発機構, 原子力科学研究部門量子ビーム応用研究センター, 研究主幹 2012: 独立行政法人日本原子力研究開発機構, 量子ビーム応用研究部門, 研究主幹 … More 2011: 独立行政法人日本原子力研究開発機構, 量子ビーム応用研究部門, 主任研究員 2010: 独立行政法人日本原子力研究開発機構, 量子ビーム応用研究部門, 研究主幹 2008 – 2009: Japan Atomic Energy Agency, 量子ビーム応用研究部門, 研究副主幹 Less
Review Section/Research Field	Principal Investigator Structural/Functional materials / Basic Section 26040:Structural materials and functional materials-related / Quantum beam science Except Principal Investigator Inorganic materials/Physical properties / Nuclear engineering
Keywords	Principal Investigator 水素 / 燃料電池 / 局所構造解析 / 中性子回折 / 結晶構造 / 局所乱れ / 燃料電池材料 / MEM解析 / 第一原理計算 / 中性子回折法 … More / 構造・機能材料 / リートベルト解析 / プロトン伝導体 / 中性子散乱 / Rietveld解析 / 電池材料 / 新エネルギー / 量子ビーム … More Except Principal Investigator 電子顕微鏡 / セラミックス / ナノ材料 / 電気特性評価 / その場観察 / 透過型電子顕微鏡 / イオン照射 / ナノチューブ / 炭化ケイ素 / 中性子回折 / 酸化物核燃料 / 熱力学モデル / 酸化物燃料 / 酸素イオンサイト / 第一原理計算 / 化学熱力学法 / 最大エントロピー法 / 結晶構造解析 / 欠陥構造 / 酸素ポテンシャル / 酸素不定比 Less

Study on Local Structural Disorder in Fuel Cell Battery Materials using Combining Quantum Beam Scattering and Computational SimulationPrincipal Investigator
- Principal Investigator
  
  IGAWA Naoki
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 26040:Structural materials and functional materials-related
- Research Institution
  Japan Atomic Energy Agency
In-situ TEM observation of SiC heterostructure nanotubes under ion irradiation and electrical characteristics evaluation
- Principal Investigator
  
  TAGUCHI Tomitsugu
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  National Institutes for Quantum and Radiological Science and Technology
Study on local structural distortion affecting ion diffusion in fuel cell-battery materials by neutron diffractionPrincipal Investigator
- Principal Investigator
  
  IGAWA Naoki
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Structural/Functional materials
- Research Institution
  Japan Atomic Energy Agency
Analyses of proton behavior in solid oxide fuel cells using neutron diffractionPrincipal Investigator
- Principal Investigator
  
  IGAWA Naoki
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Structural/Functional materials
- Research Institution
  Japan Atomic Energy Agency
Fundamental study on defect structure derived from oxygen non-stoichiometry of nuclear fuel oxides
- Principal Investigator
  
  OSAKA Masahiko
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Nuclear engineering
- Research Institution
  Japan Atomic Energy Agency
Ion behavior in light-ion carrier type batteries analyzed by neutron-MEMPrincipal Investigator
- Principal Investigator
  
  IGAWA Naoki
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Quantum beam science
- Research Institution
  Japan Atomic Energy Agency

All 2022 2021 2019 2018 2017 2016 2014 2013 2012 2011 2010 2009 2008 Other

All Journal Article Presentation

[Journal Article] Incommensurately modulated crystal structure of alpha'(O'3)-type sodium cobalt oxide NaxCoO2 (x-0.78)2021
- Author(s)
  Y. Miyazaki, N. Igawa, K. Yubuta
- Journal Title
  
  Acta Cryst.
  
  Volume: B77 Issue: 3 Pages: 371-377
- DOI
  10.1107/s205252062100370x
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-20H05258, KAKENHI-PROJECT-19K05070
[Journal Article] Local Disorder in Proton Conductor BaSn0.5In0.5O2.75 Analyzed by Neutron Diffraction/ Atomic Pair Distribution Function2018
- Author(s)
 Igawa Naoki、Kodama Katsuaki、Taguchi Tomitsugu、Yoshida Yukihiko、Matsukawa Takeshi、Hoshikawa Akinori、Ishigaki Toru
- Journal Title
 
 Transactions of the Materials Research Society of Japan
 
 Volume: 43 Issue: 6 Pages: 329-332
- DOI
 10.14723/tmrsj.43.329
- NAID
 130007539695
- ISSN
 1382-3469, 2188-1650
- Year and Date
 2018-12-01
- Language
 English
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-16K05023, KAKENHI-PROJECT-16K06738, KAKENHI-PROJECT-16K06784
[Journal Article] Strain Measurement in Ti Layers of CFPR/Ti Laminates by Synchrotron X-ray Diffraction2018
- Author(s)
  秋田貢一, 中谷隼人, 荻原慎二, 菖蒲敬久, 城鮎美, 井川直樹, 下条豊
- Journal Title
  
  SPring-8/SACLA Research Report
  
  Volume: 6 Issue: 1 Pages: 105-108
- DOI
  10.18957/rr.6.1.105
- NAID
  130007969413
- ISSN
  2187-6886
- Year and Date
  2018-01-25
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K06784
[Journal Article] Japanese activities of the R&D on silicon carbide composites in the broader approach period and beyond2018
- Author(s)
  Nozawa Takashi、Ozawa Kazumi、Park ChangHo、Park Joon-Soo、Kohyama Akira、Hasegawa Akira、Nogami Shuhei、Hinoki Tatsuya、Kondo Sosuke、Yano Toyohiko、Shibayama Tamaki、Tsuchiya Bun、Shikama Tatsuo、Nagata Shinji、他10名、Taguchi Tomitsugu、Tanigawa Hiroyasu
- Journal Title
  
  Journal of Nuclear Materials
  
  Volume: 511 Pages: 582-590
- DOI
  10.1016/j.jnucmat.2018.05.045
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06738
[Journal Article] Inter Atomic Force Constants of β-PbF2 from Diffuse Neutron Scattering Measurement2017
- Author(s)
  Xianglian, W. Bao, T. Guo, P. Li, T. Sakuma, N. Igawa
- Journal Title
  
  International Journal of Innovation in Science and Mathematics
  
  Volume: 5 Pages: 165-167
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06784
[Journal Article] Weak Ferromagnetic Ordering Disordered by Rh3+ Ions for LaCo0.8Rh0.2O32014
- Author(s)
  Shinichiro Asai, Ryuji Okazaki, Ichiro Terasaki, Yukio Yasui, Naoki Igawa, and Kazuhisa Kakurai
- Journal Title
  
  JPS Conference Proceedings
  
  Volume: 3 Pages: 014034-014034
- DOI
  10.7566/jpscp.3.014034
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-13J02007, KAKENHI-PROJECT-24560866
[Journal Article] Local Structural Analysis by using Atomic Pair Distribution Function on Mixed Valence Compound2014
- Author(s)
  K. Kodama, N. Igawa, S. Shamoto, K. Ikeda, H. Oshita, N. Kaneko, T. Otomo, K. Suzuya,
- Journal Title
  
  JPS Conference Proceedings
  
  Volume: 3 Pages: 013012-013012
- DOI
  10.7566/jpscp.3.013012
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24510129, KAKENHI-PROJECT-24560866, KAKENHI-PROJECT-25287094
[Journal Article] Local Lattice Distortion Caused by Short Range Charge Orderng in LiMn2O42013
- Author(s)
  K. Kodama, N. Igawa, S. Shamoto, K. Ikeda, H. Ohshita, N. Kaneko, T. Otomo, and K. Suzuya
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 82 Issue: 9 Pages: 094601-094601
- DOI
  10.7566/jpsj.82.094601
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24510129, KAKENHI-PROJECT-24560866
[Journal Article] Protonic Conduction, Crystal and Electronic Structures of La1-xBa1+xGa1-yMgyO4-δ2013
- Author(s)
  N. Hamao, N. Kitamura, T. Itoh, N. Igawa, Y. Idemoto
- Journal Title
  
  Solid State Ionics
  
  Volume: 253 Pages: 123-129
- DOI
  10.1016/j.ssi.2013.09.021
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560866
[Journal Article] 155Gd Mossbauer Spectroscopic and Powder X-ray Diffraction Study of CeO2-GdO1.5 Solid Solution2012
- Author(s)
  A. Nakamura, K. Imai, N. Igawa, Y. Okamoto, E. Yamamoto, S. Matsukawa, M. Takahashi
- Journal Title
  
  Hyperfine Interactions
  
  Volume: 207 Issue: 1-3 Pages: 67-71
- DOI
  10.1007/s10751-011-0419-0
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560866
[Journal Article] Electrochemical Characteristics of Layered Li_<1.95> Mn_<0.9> Co_<0.15> O_3(C2/m) as a Lithium-Battery Cathode2012
- Author(s)
 K. Ozawa, Y. Nakao. T. Mochiku, Z. Cheng, L. Wang, H. Iwai, Y. Tsuchiya, H. Fujii, N. Igawa
- Journal Title
 
 Journal of the Electrochemimcal Society
 
 Volume: 159 Issue: 3 Pages: A300-A304
- DOI
 10.1149/2.079203jes
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015, KAKENHI-PROJECT-22550169, KAKENHI-PROJECT-24560866
[Journal Article] Synthesis of SiC Nanowires and Nanotubes Sheathed with BN2011
- Author(s)
  T. Taguchi, N. Igawa, S. Shamoto
- Journal Title
  
  Materials Science and Engineering
  
  Volume: 18 Issue: 6 Pages: 6202-6202
- DOI
  10.1088/1757-899x/18/6/062020
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20612015
[Journal Article] Neutron Diffraction Study on the Xe behavior in Clathrate Hydrate Analyzed by Rietveld/Maximum Entropy Method2011
- Author(s)
  N. Igawa, T. Taguchi, A. Hoshikawa, H. Yamauchi, A. Birumachi, Y. Ishii
- Journal Title
  
  Materials Science and Engineering
  
  Volume: 18 Issue: 2 Pages: 22021-22021
- DOI
  10.1088/1757-899x/18/2/022021
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20612015
[Journal Article] Neutron Diffraction Study on the Xe behavior in Clathrate Hydrate Analyzed by Rietveld/Maximum Entropy Method2011
- Author(s)
  N.Igawa, T.Taguchi, A.Hoshikawa, H.Yamauchi, A.Birumachi, Y.Ishii
- Journal Title
  
  Mater.Sci.Eng
  
  Volume: 18
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20612015
[Journal Article] CO_2 Motion in Carbon Dioxide Deuterohydrate Determined by Applying Maximum Entropy Method to Neutron Powder Diffraction Data2010
- Author(s)
  N.Igawa, T.Taguchi, A.Hoshikawa, H.Fukazawa, H.Yamauchi, W.Utsumi, Y.Ishii
- Journal Title
  
  J.Phys.Chem.Solids
  
  Volume: 71 Pages: 899-905
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20612015
[Journal Article] Diffuse Neutron Scattering Calculation of Spinel Structure of LiMn_2O_42010
- Author(s)
  K. Basar, Xianglian, T. Sakuma, H. Takahashi, O. Abe, N. Igawa
- Journal Title
  
  AIP Proceedings
  
  Volume: 1244 Pages: 129-135
- URL
  http://dx.doi.org/10.1063/1.3462750.
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20612015
[Journal Article] Study of Oxygen Ion Diffusion in(Ba_<0.5> Sr_<0.5>)(Co_<0.8> Fe_<0.2>) O_<233-δ> through In-situ Neutron Diffractions at 300 and 720 K2010
- Author(s)
 T. Itoh, T. Hirai, J. Yamashita, S. Watanabe, E. Kawata, N. Kitamura, Y. Idemoto, N. Igawa
- Journal Title
 
 Physica B
 
 Volume: 405 Issue: 8 Pages: 2091-2096
- DOI
 10.1016/j.physb.2010.01.109
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] Crystal and Magnetic Structures and Properties of BiMnO_<3+δ>2010
- Author(s)
 A. A. Belik, K. Kodama, N. Igawa, S. Shamoto, K. Kosuda, E. Takayama-Muromachi
- Journal Title
 
 Journal of the American Chemical Society
 
 Volume: 132 Issue: 23 Pages: 8137-8144
- DOI
 10.1021/ja102014n
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] CO_2 motion in carbon dioxide deuterohydrate determined by applying maximum entropy method to neutron powder diffraction data2010
- Author(s)
  Igawa N., Taguchi T., Hoshikawa A., Fukazawa H., Yamauchi H., Utsumi W. and Ishii Y
- Journal Title
  
  Journal of Physics and Chemistry of Solids
  
  Volume: 71 Issue: 6 Pages: 899-905
- DOI
  10.1016/j.jpcs.2010.03.039
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-20103002, KAKENHI-PROJECT-20612015
[Journal Article] Crystal Structure and Nuclear Density Distribution of LiCo_<1/3> Ni_<1/3> Mn_<1/3> O_2 Analyzed by Rietveld/Maximum Entropy Method2010
- Author(s)
 N. Igawa, T. Taguchi, H. Fukazawa, H. Yamauchi, W. Utsumi
- Journal Title
 
 Journal of the American Ceramic Society
 
 Volume: 93 Issue: 8 Pages: 2144-2146
- DOI
 10.1111/j.1551-2916.2010.03688.x
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] Crystal Structure and Nuclear Density Distribution of LiCo_<1/3>Ni_<1/3>/Mn_<1/3>/O_2 Analyzed by Rietveld/Maximum Entropy Method2010
- Author(s)
 N.Igawa, T.Taguchi, H.Fukazawa, H.Yamauchi, W.Utsumi
- Journal Title
 
 J.Am.Ceram.Soc
 
 Volume: 93 Pages: 2144-2146
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] Crystal Structure and Lattice Vibration of Proton Dissolved BaZr_<0.8> Sc_<0.2> O_<2.9>2009
- Author(s)
 T. Shimoyama, T. Tojo, H. Kawaji, T. Atake, H. Fukazawa, N. Igawa
- Journal Title
 
 Solid State Ionics
 
 Volume: 180 Issue: 6-8 Pages: 560-562
- DOI
 10.1016/j.ssi.2008.10.016
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] Study of Mechanism of Mixed Conduction due to Electrons and Oxygen Ions in (La_<0.75>Sr_<0.25>)MnO_<3.00> and (Ba_<0.5>Sr_<0.5>)(Co_<0.8>Fe_<0.2>)O_<2.33> through Rietveld Refinement and MEM Analysis2009
- Author(s)
 T.Itoh, S.Shirasaki, Y.Fujie, N.Kitamura, Y.Idemoto, K.Osaka, I.Hirosawa, N.Igawa
- Journal Title
 
 Electrochemistry 77
 
 Pages: 161-168
- NAID
 10024731103
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] Determination of Crystal Structure and Charge Density of (Ba_<0.5>Sr_<0.5>)(Co_<0.8>Fe_<0.2>)O_<2.33> by Rietveld Refinement and Maximum Entropy Method Analysis2009
- Author(s)
 T. Itoh, Y. Nishida, A. Tomita, Y. Fujie, N. Kitamura, Y. Idemoto, K. Osaka, I. Hirosawa, N. Igawa
- Journal Title
 
 Solid State Communications 149
 
 Pages: 41-44
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] Determination of Crystal Structure and Charge Density of(Ba_<0.5> Sr_<0.5>)(Co_<0.8> Fe_<0.2>) O_<2.33> by Rietveld Refinement and Maximum Entropy Method Analysis2009
- Author(s)
 T. Itoh, Y. Nishida, A. Tomita, Y. Fujie, N. Kitamura, Y. Idemoto, K. Osaka, I. Hirosawa, N. Igawa
- Journal Title
 
 Solid State Communications
 
 Volume: 149 Issue: 1-2 Pages: 41-44
- DOI
 10.1016/j.ssc.2008.10.020
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] Crystal Structure and Lattice Vibration of Proton Dissolved BaZr_<0.8>Sc_<0.2>O_<2.9>2009
- Author(s)
 T.Shimoyama, T.Tojo, H.Kawaji, T.Atake, H.Fukazawa, N.Igawa
- Journal Title
 
 Solid State Ionics 180
 
 Pages: 560-562
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] Neutron Powder Diffraction and Difference Maximum Entropy Method Analysis of Protium- and Deuterium-dissolved BaSn_<0.5>In_<0.5>O_<2.75+α>2009
- Author(s)
 T.Nagasaki, S.Shiotani, N.Igawa, M.Yoshino, K.Iwasaki, H.Fukazawa, W.Utsumi
- Journal Title
 
 Journal of Solid State Chemistry 182
 
 Pages: 2632-2639
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] Neutron Powder Diffraction and Difference Maximum Entropy Method Analysis of Protium-and Deuterium-dissolved BaSn_<0.5> In_<0.5> O_<2.75+ω>2009
- Author(s)
 T. Nagasaki, S. Shiotani, N. Igawa, M. Yoshino, K. Iwasaki, H. Fukazawa, W. Utsumi
- Journal Title
 
 Journal of Solid State Chemistry
 
 Volume: 182 Issue: 10 Pages: 2632-2639
- DOI
 10.1016/j.jssc.2009.06.024
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] Study of Mechanism of Mixed Conduction due to Electrons and Oxygen Ions in(La_<0.75> Sr_<0.25>) MnO_<3.00> and(Ba_<0.5> Sr_<0.5>)(Co_<0.8> Fe_<0.2>) O_<2.33> through Rietveld Refinement and MEM Analysis2009
- Author(s)
 T. Itoh, S. Shirasaki, Y. Fujie, N. Kitamura, Y. Idemoto, K. Osaka, I. Hirosawa, N. Igawa
- Journal Title
 
 Electrochemistry
 
 Volume: 77 Pages: 161-168
- NAID
 10024731103
- URL
 https://www.jstage.jst.go.jp/article/electrochemistry/77/2/77_2_161/_pdf.
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] Location of Deuterium Atoms in BaZr_<0.5> In_<0.5> O_<2.75+α> by Neutron Powder Diffraction2008
- Author(s)
 T. Nagasaki, T. Ito, M. Yoshino, K. Iwasaki, S. Shiotani, H. Fukazawa, N. Igawa, Y. Ishii
- Journal Title
 
 Journal of Nuclear Science and Technology
 
 Volume: 6 Pages: 122-127
- URL
 http://www.aesj.or.jp/publication/ISE2007/45_122-127.pdf.
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] Determination of Deuterium Location in Ba_3Ca_<1.18> Nb_<1.82> O_<8.73>2008
- Author(s)
 T. Shimoyama, T. Tojo, H. Kawaji, T. Atake, N. Igawa, Y. Ishii
- Journal Title
 
 Solid State Ionics
 
 Volume: 179 Issue: 7-8 Pages: 231-235
- DOI
 10.1016/j.ssi.2008.01.064
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Journal Article] Location of Deuterium Atoms in BaZr_<0.5>In_<0.5>O_<2.75+α> by Neutron Powder Diffraction2008
- Author(s)
 T. Nagasaki, T. Ito, M. Yoshino, K. Iwasaki, S. Shiotani, H. Fukazawa, N. Igawa, Y. Ishii
- Journal Title
 
 Journal of Nuclear Science and Technology S5
 
 Pages: 122-127
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20612015
[Presentation] CsHSO4CsxH(3-x)PW12O40複合体のマルチスケール構造解析2022
- Author(s)
  深谷奈菜, 樹神克明, 井川直樹, 前田知貴, 能田洋平, 小泉智, 高橋東之
- Organizer
  第48回固体イオニクス討論会
- Data Source
  KAKENHI-PROJECT-19K05070
[Presentation] CsHSO4CsxH(3-x)PW12O40複合体の結晶構造2022
- Author(s)
  深谷奈菜, 樹神克明, 井川直樹, 髙橋東之
- Organizer
  日本物理学会2022年秋季大会
- Data Source
  KAKENHI-PROJECT-19K05070
[Presentation] 磁気対相関関数を用いたフラストレート金属磁性体の局所磁気構造解析2022
- Author(s)
  樹神克明, 山内宏樹, 本田孝志, 社本真一, 井川直樹, 池田一貴, 大友李哉
- Organizer
  日本中性子科学会第22回年会
- Data Source
  KAKENHI-PROJECT-19K05070
[Presentation] 中性子回折による磁気冷凍材料 R5Pd2(R = Ho, Tb)の短距離秩序2019
- Author(s)
  北澤　英明、河村　幸彦、L. Keller、寺田　典樹、鈴木　博之、間宮　広明、A. Donni、S. Lee、目時　直人、金子　耕士、井川　直樹
- Organizer
  第43回日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-19K05070
[Presentation] Local structure of BaSn0.5In0.5O2.75 as electrolyte for solid oxide fuel cell analyzed by EXAFS and neutron powder diffraction2018
- Author(s)
  井川直樹, 樹神克明, 田口富嗣, 辻卓也, 松村大樹, 吉井賢資
- Organizer
  第28回日本MRS年次大会
- Data Source
  KAKENHI-PROJECT-16K06784
[Presentation] Magnetic Properties of RCrTiO5 (R=Rare Earth Elements)2017
- Author(s)
  Y. Yasui, T. Miyamoto, S. Kore, I. Terasaki, M. Akaki, M. Hagowara, T. Matsukawa, Y. Yoshida, A. Hoshikawa, T. Ishigaki, N. Igawa
- Organizer
  International Conference on Strongly Correlated Electron Systems
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06784
[Presentation] Local Disorder in Proton Conductor BaSn0.5In0.5O2.75 Analyzed by Neutron Diffraction/ Atomic Pair Distribution Function2017
- Author(s)
  N. Igawa, K. Kodama, T. Taguchi, Y. Yoshida, T. Matsukawa, A. Hoshikawa, T. Ishigaki
- Organizer
  15th International Conference on Advanced Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06784
[Presentation] Magnetic and Crystal Structure of Ba3Co1-xCaxRu2O92017
- Author(s)
  A. Horie, Y. Yasui, T. Igarashi, T. D. Yamamoto, K. Misawa, I. Terasaki, T. Matsukawa, A. Hoshikawa, T. Ishigaki, N. Igawa
- Organizer
  62nd Annual Conf. on Magnetism and Magnetic Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06784
[Presentation] 結晶PDF解析及びMEM解析を用いたプロトン伝導性酸化物Ce1-xLaxO2-x/2の構造解析2016
- Author(s)
  猿渡康治, 長崎正雅, 樹神克明, 井川直樹, 石垣徹
- Organizer
  日本中性子科学会第16回年会
- Place of Presentation
  名古屋大学（愛知県名古屋市）
- Year and Date
  2016-12-01
- Data Source
  KAKENHI-PROJECT-16K06784
[Presentation] フラストレートした一次元量子スピン系Cs2Cu2Mo3O12の磁気構造2016
- Author(s)
  安井幸夫, 藤村明央, 大森喜由, 井川直樹, 松川健, 吉田幸彦, 星川晃範, 石垣徹
- Organizer
  日本中性子科学会第16回年会
- Place of Presentation
  名古屋大学（愛知県名古屋市）
- Year and Date
  2016-12-01
- Data Source
  KAKENHI-PROJECT-16K06784
[Presentation] 中性子回折法を用いた燃料電池用固体電解質BaSn0.5In0.5O2.75の平均および局所構造解析2016
- Author(s)
  井川直樹, 樹神克明, 田口富嗣, 吉田幸彦, 松川健, 星川晃範, 石垣徹
- Organizer
  第26回日本MRS年次大会
- Place of Presentation
  横浜市開港記念会館（神奈川県横浜市）
- Year and Date
  2016-12-19
- Data Source
  KAKENHI-PROJECT-16K06784
[Presentation] プロトン伝導性酸化物BaSn0.5In0.5O2.75の結晶構造の静的な乱れ(2)2014
- Author(s)
  長崎正雅, 山田智明, 吉野正人, 井川直樹
- Organizer
  第52回セラミックス基礎科学討論会
- Place of Presentation
  ウインクあいち（愛知県）
- Data Source
  KAKENHI-PROJECT-24560866
[Presentation] スピネル化合物LiMn2O4における電荷の短距離秩序による局所構造歪み2014
- Author(s)
  樹神克明, 井川直樹, 社本真一, 池田一貴, 大下英敏, 金子直勝, 大友季哉, 鈴谷賢太郎, 星川晃範, 石垣徹
- Organizer
  日本物理学会第69回年次大会
- Place of Presentation
  東海大学湘南キャンパス（神奈川県）
- Data Source
  KAKENHI-PROJECT-24560866
[Presentation] 核燃料模擬材料セリア固溶体の電子密度分布における添加物効果2013
- Author(s)
  田口富嗣、三輪周平、井川直樹、美留町厚、山口憲司、逢坂正彦
- Organizer
  日本セラミックス協会　第26回秋季シンポジウム
- Place of Presentation
  信州大学
- Data Source
  KAKENHI-PROJECT-23360431
[Presentation] プロトン伝導性酸化物BaSn0.5In0.5O2.75 の結晶構造の静的な乱れ2012
- Author(s)
  早川和孝, 長崎正雅, 山田智明, 吉野正人, 井川直樹, 星川晃範, 石垣徹
- Organizer
  日本セラミックス協会　第25回秋季シンポジウム
- Place of Presentation
  名古屋大学東山キャンパス（愛知県）
- Data Source
  KAKENHI-PROJECT-24560866
[Presentation] 中性子回折法によるLiイオン二次電池正極材LiM_2O_4の結晶構造の温度依存性解析2011
- Author(s)
  井川直樹, 樹神克明, 田口富嗣, 社本真一
- Organizer
  日本セラミックス協会第24回秋季シンポジウム
- Place of Presentation
  北海道大学
- Year and Date
  2011-09-07
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] 中性子回折を用いた固体酸化物型燃料電池空気極材料の長期アニールにおける安定性の考察2011
- Author(s)
  伊藤孝憲,井川直樹
- Organizer
  JRR-3改造20周年記念シンポジウム
- Place of Presentation
  日本科学未来館
- Year and Date
  2011-02-28
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] RietveldおよびMEM解析による(Ba, La)_4(Ti, Si, Mo)_3O_<12>強誘電体の結晶構造2011
- Author(s)
 井手本康,北村尚斗,浜尾尚樹,室井諒,熊谷雄輔,井川直樹
- Organizer
 JRR-3改造20周年記念シンポジウム
- Place of Presentation
 日本科学未来館
- Year and Date
 2011-02-28
- Data Source
 KAKENHI-PROJECT-20612015
[Presentation] 層状ペロブスカイト型構造をもつLaSrGaO_4系酸化物イオン伝導体における高温結晶構造と酸化物イオン伝導経路の組成依存2011
- Author(s)
  井手本康,北村尚斗,内野啓哲,浜尾尚樹,小菅智之,井川直樹
- Organizer
  JRR-3改造20周年記念シンポジウム
- Place of Presentation
  日本科学未来館
- Year and Date
  2011-02-28
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] リチウム過剰マンガン酸リチウム正極物質の結晶構造2011
- Author(s)
  茂筑高士,土屋佳則,小澤清,井川直樹
- Organizer
  JRR-3改造20周年記念シンポジウム
- Place of Presentation
  日本科学未来館
- Year and Date
  2011-02-28
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] FeSr_2Cu_2O_<6+δ>系における構造的な乱れと物性2011
- Author(s)
 茂筑高士,畑慶明,星川晃範,岩瀬謙二, D. Sulistyanintyas,小黒英俊,石垣徹,井川直樹,土屋佳則,安岡宏,平田和人
- Organizer
 日本物理学会第66回年次大会
- Place of Presentation
 新潟大学
- Year and Date
 2011-03-25
- Data Source
 KAKENHI-PROJECT-20612015
[Presentation] Li_xV_2O_5正極物質の結晶構造2011
- Author(s)
  茂筑高士,土屋佳則,小澤清,江口美佳,井川直樹
- Organizer
  JRR-3改造20周年記念シンポジウム
- Place of Presentation
  日本科学未来館
- Year and Date
  2011-02-28
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] 中性子回折法によるLiイオン二次電池正極材LiMn_2O_4のLi伝導経路解析2011
- Author(s)
  井川直樹,樹神克明,田口富嗣,社本真一
- Organizer
  日本セラミックス協会2011年年会
- Place of Presentation
  静岡大学
- Year and Date
  2011-03-17
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] 重水・軽水を溶解したBa(Sn, In) O_3系プロトン伝導体の粉末中性子回折と差MEM解析(1)-差MEM解析の原理とその空間分解能2009
- Author(s)
  長崎正雅,塩谷真也,井川直樹,岩崎航太,吉野正人,深澤裕,内海渉
- Organizer
  第47回セラミックス基礎科学討論会
- Place of Presentation
  大阪国際会議場
- Year and Date
  2009-01-08
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] Diffuse Neutron Scattering Calculation of Spinel Structure of LiMn_2O_42009
- Author(s)
  K. Basar, Xianglian, T. Sakuma, H. Takahashi, O. Kamishima, and N. Igawa
- Organizer
  The 2nd Inter. Conf. on Advances in Nucl. Sci. and Eng. 2009(ICANSE 2009)
- Place of Presentation
  Bandung, Indonesia
- Year and Date
  2009-11-04
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] 重水・軽水を溶解したBa(Sn, In) O_3系プロトン伝導体の粉末中性子回折と差MEM解析(2)-実測データの差MEM解析とその評価2009
- Author(s)
  塩谷真也,長崎正雅,井川直樹,岩崎航太,吉野正人,深澤裕,内海渉
- Organizer
  第47回セラミックス基礎科学討論会
- Place of Presentation
  大阪国際会議場
- Year and Date
  2009-01-08
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] 中性子回折によるリチウムイオン伝導体Li_<1+x> Al_xGe_<2-x>(PO_4)_3の構造解析2009
- Author(s)
 藤田泰裕,高橋東之,佐久間隆,井川直樹
- Organizer
 日本中性子科学会第9回年会
- Place of Presentation
 いばらき量子ビーム研究センター
- Year and Date
 2009-12-10
- Data Source
 KAKENHI-PROJECT-20612015
[Presentation] In-situ中性子回折を用いた電解質アニール効果の考察2009
- Author(s)
  伊藤孝憲,平井岳根,王臻偉,森昌史,井川直樹
- Organizer
  2009年電気化学秋季大会
- Place of Presentation
  東京農工大学
- Year and Date
  2009-09-11
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] Liイオン電池材料LiCoO_2の金属置換による結晶構造と伝導経路への影響2009
- Author(s)
  井川直樹,田口富嗣,内海渉
- Organizer
  日本中性子科学会第9回年会
- Place of Presentation
  いばらき量子ビーム研究センター
- Year and Date
  2009-12-10
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] 中性子回折によるLiイオン伝導体Li(Co_<1/3> Ni_<1/3> Mn_<1/3>) O_2のLi伝導経路解析2009
- Author(s)
 井川直樹,田口富嗣,深澤裕,山内宏樹,内海渉
- Organizer
 日本セラミックス協会2009年年会
- Place of Presentation
 東京理科大学
- Year and Date
 2009-03-17
- Data Source
 KAKENHI-PROJECT-20612015
[Presentation] In-situ中性子回折によるSOFC電解質アニール効果の考察2009
- Author(s)
  伊藤孝憲,平井岳根,王臻偉,森昌史,井川直樹
- Organizer
  日本中性子科学会第9回年会
- Place of Presentation
  いばらき量子ビーム研究センター
- Year and Date
  2009-12-10
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] 中性子回折によるLiイオン伝導体Li(Co_<1/3>Ni_<1/3>Mn_<1/3>)O_2のLi伝導経路解析2009
- Author(s)
 井川直樹, 田口富嗣, 深澤裕, 山内宏樹, 内海渉
- Organizer
 日本セラミックス協会2009年年会
- Place of Presentation
 東京理科大学
- Year and Date
 2009-03-28
- Data Source
 KAKENHI-PROJECT-20612015
[Presentation] 中性子を用いたSOFC材料の構造解析2008
- Author(s)
  伊藤孝憲,白崎紗央里,藤江良紀,山内宏樹,井川直樹,目時直人
- Organizer
  第17回SOFC研究発表会
- Place of Presentation
  科学技術館
- Year and Date
  2008-12-18
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] Liイオン伝導体Li(Co, Ni, Mn) O_2の結晶構造と伝導経路解析2008
- Author(s)
  井川直樹,田口富嗣,深澤裕,山内宏樹,内海渉
- Organizer
  中性子科学会第8回年会
- Place of Presentation
  名古屋大学
- Year and Date
  2008-12-01
- Data Source
  KAKENHI-PROJECT-20612015
[Presentation] Nuclear and Electron Density Distributions of LiMn2O4 Analyzed by Combination of Rietveld/ Maximum Entropy Method
- Author(s)
  N. Igawa, K. Kodama, A. Birumachi, T. Taguchi
- Organizer
  7th International Symposium on Surface Science
- Place of Presentation
  Matsue, Japan
- Year and Date
  2014-11-02 – 2014-11-06
- Data Source
  KAKENHI-PROJECT-24560866
[Presentation] Crystal Structure and Electron Density Distribution Analyses of NdxCe1-xO2-δ for Electrolyte by Rietveld/ Maximum Entropy Method
- Author(s)
  Tomitsugu Taguchi, Naoki Igawa, Shuhei Miwa, Atsushi Birumachi, Hidehito Asaoka, Masahiko Osaka
- Organizer
  The 7th International Symposium on Surface Science
- Place of Presentation
  Shimane, Japan
- Year and Date
  2014-11-02 – 2014-11-06
- Data Source
  KAKENHI-PROJECT-23360431
[Presentation] Crystal Structure and Electron Density Distribution Analyses of NdxCe1-xO2-δ for Electrolyte by Rietveld/ Maximum Entropy Method
- Author(s)
  T. Taguchi, N. Igawa, S. Miwa, A. Birumachi, H. Asaoka, M. Osaka
- Organizer
  7th International Symposium on Surface Science
- Place of Presentation
  Matsue, Japan
- Year and Date
  2014-11-02 – 2014-11-06
- Data Source
  KAKENHI-PROJECT-24560866
[Presentation] Local Lattice Distortion Caused by Short-range Charge Ordering in Transition Metal Oxides
- Author(s)
  K. Kodama, N. Igawa, S. Shamoto, K. Ikeda, H. Ohshita, N. Kaneko, T. Otomo, K. Suzuya, A. Hoshikawa, T. Ishigaki
- Organizer
  2nd International Symposium on Science at J-PARC
- Place of Presentation
  Tsukuba, Japan
- Year and Date
  2014-07-12 – 2014-07-15
- Data Source
  KAKENHI-PROJECT-24560866

1. TAGUCHI Tomitsugu (50354832)

# of Collaborated Projects: 6 results

# of Collaborated Products: 20 results
2. KODAMA Katsuaki (10313115)

# of Collaborated Projects: 3 results

# of Collaborated Products: 12 results
3. UTSUMI Wataru (60193918)

# of Collaborated Projects: 1 results

# of Collaborated Products: 12 results
4. FUKAZAWA Hiroshi (30370464)

# of Collaborated Projects: 1 results

# of Collaborated Products: 15 results
5. YAMAUCHI Hiroki (50367827)

# of Collaborated Projects: 1 results

# of Collaborated Products: 9 results
6. OSAKA Masahiko (10421471)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
7. TANAKA Kosuke (20421779)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. CHEN Ying (40372403)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. SATO Isamu (80421783)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. MIWA Shuhei (50421780)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
11. 朝岡秀人 (40370340)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 飯久保智 (40414594)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 湯蓋邦夫

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
14. 社本真一

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results

Igawa Naoki 井川 直樹

IGAWA Naoki 井川 直樹

Research Projects

Research Products

Co-Researchers

Study on Local Structural Disorder in Fuel Cell Battery Materials using Combining Quantum Beam Scattering and Computational SimulationPrincipal Investigator

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In-situ TEM observation of SiC heterostructure nanotubes under ion irradiation and electrical characteristics evaluation

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Study on local structural distortion affecting ion diffusion in fuel cell-battery materials by neutron diffractionPrincipal Investigator

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Analyses of proton behavior in solid oxide fuel cells using neutron diffractionPrincipal Investigator

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Fundamental study on defect structure derived from oxygen non-stoichiometry of nuclear fuel oxides

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Ion behavior in light-ion carrier type batteries analyzed by neutron-MEMPrincipal Investigator

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[Journal Article] Incommensurately modulated crystal structure of alpha'(O'3)-type sodium cobalt oxide NaxCoO2 (x-0.78)2021

Author(s)

Journal Title

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Data Source

[Journal Article] Local Disorder in Proton Conductor BaSn<sub>0.5</sub>In<sub>0.5</sub>O<sub>2.75</sub> Analyzed by Neutron Diffraction/ Atomic Pair Distribution Function2018

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[Journal Article] Strain Measurement in Ti Layers of CFPR/Ti Laminates by Synchrotron X-ray Diffraction2018

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[Journal Article] Japanese activities of the R&D on silicon carbide composites in the broader approach period and beyond2018

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[Journal Article] Inter Atomic Force Constants of β-PbF2 from Diffuse Neutron Scattering Measurement2017

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[Journal Article] Weak Ferromagnetic Ordering Disordered by Rh3+ Ions for LaCo0.8Rh0.2O32014

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[Journal Article] Local Structural Analysis by using Atomic Pair Distribution Function on Mixed Valence Compound2014

Author(s)

Igawa Naoki 井川直樹

IGAWA Naoki 井川直樹