Rchr
J-GLOBAL ID:201901003786077871
Update date: Mar. 06, 2024
Ishii Kenji
イシイ ケンジ | Ishii Kenji
Affiliation and department:
Job title:
Senior Principal Researcher
Research field (3):
Quantum beam science
, Magnetism, superconductivity, and strongly correlated systems
, Semiconductors, optical and atomic physics
Research theme for competitive and other funds (18):
- 2021 - 2025 高エネルギー分解能と偏光制御を同時に実現する非弾性X線散乱法の開発
- 2021 - 2024 operando experiment for investigating electronic state of the next generation battery electrode by the development of synchrotron radiation x-ray spectroscopy
- 2021 - 2023 隣接元素を選択して電子状態観測できる新しい放射光硬X線分光法の開発
- 2016 - 2020 Dynamical charge correlation of strongly correlated electrons studied by resonant inelastic scattering of synchrotron x-rays
- 2014 - 2018 trial of the model free-observation of anomalous electron-phonon coupling
- 2014 - 2018 Theory of Spin and Charge Dynamics and Inelastic X-Ray Scattering in 3d Transition-Metal Compounds
- 2013 - 2016 Spin and charge excitations in high-Tc superconducting cuprates studied by resonant inelastic x-ray scattering
- 2011 - 2016 Study of multi-dynamics of electronic degrees of freedom in high-Tc cuprate superconductor
- 2011 - 2012 Observation of magnetic excitations in 5d transition metal oxides by resonant inelastic scattering of synchrotron radiation x-rays
- 2010 - 2012 Study of anomalous spin and charge excitations in high temperature superconductors by quantum beam
- 2010 - 2012 Electron correlation in time and space studied by Resonant InelasticX-ray Scattering - focused on strongly correlated electron systems-
- 2010 - 2011 Study of the ground state of 4f electrons near a quantum critical point by means of "soft x-ray absorption spectroscopy" under pressure
- 2008 - 2010 Polarization dependence and symmetry of electronic excitations in resonant inelastic x-ray scattering
- 2007 - 2008 放射光共鳴・非共鳴非弾性散乱による異常金属の電荷ダイナミックスの研究
- 2006 - 2007 放射光X線共鳴非弾性散乱による銅酸化物高温超伝導体の電荷ダイナミクス
- 2006 - 2007 放射光と原子核をプローブとした充填スクッテルダイトの格子振動と構造に関する研究
- 2005 - 2006 異常金属の放射光X線非弾性散乱による電子励起の研究
- 2004 - 2005 充填スクッテルダイトにおけるf電子四重極効果の共鳴X線散乱による研究
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Papers (119):
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Norihiro Oshime, Kenji Ohwada, Akihiko Machida, Nagise Fukushima, Kosuke Shirakawa, Shintaro Ueno, Ichiro Fujii, Satoshi Wada, Kento Sugawara, Ayumu Shimada, et al. Lattice strain visualization inside a 400 nm single grain of BaTiO3 in polycrystalline ceramics by Bragg coherent X-ray diffraction imaging. Japanese Journal of Applied Physics. 2023. 62. SM. SM1022
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Yizhou Chen, Shun Asano, Tong Wang, Peiao Xie, Shinnosuke Kitayama, Kenji Ishii, Daiju Matsumura, Takuya Tsuji, Takanori Taniguchi, Masaki Fujita. Cu K-edge X-ray Absorption Fine Structure Study of T′-type RE2CuO4+α-δ (RE = Rare Earth): Toward Unified Understanding of Electronic State of T′-type Cuprate. Proceedings of the 29th International Conference on Low Temperature Physics (LT29). 2023
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Naoki Yamamoto, Daiju Matsumura, Yuto Hagihara, Kei Tanaka, Yuta Hasegawa, Kenji Ishii, Hirohisa Tanaka. Investigation of hydrogen superoxide adsorption during ORR on Pt/C catalyst in acidic solution for PEFC by in-situ high energy resolution XAFS. Journal of Power Sources. 2023. 557. 232508-232508
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Wei Xu, Yujun Zhang, Kenji Ishii, Hiroki Wadati, Yingcai Zhu, Zhiying Guo, Qianshun Diao, Zhen Hong, Haijiao Han, Lidong Zhao. Experimental and Theoretical Investigation of High-Resolution X-ray Absorption Spectroscopy (HR-XAS) at the Cu K-Edge for Cu2ZnSnSe4. Condensed Matter. 2023. 8. 1. 8-8
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Norihiro Oshime, Kenji Ohwada, Akihiko Machida, Nagise Fukushima, Shintaro Ueno, Ichiro Fujii, Satoshi Wada, Kento Sugawara, Ayumu Shimada, Tetsuro Ueno, et al. The ferroelectric phase transition in a 500 nm sized single particle of BaTiO3 tracked by coherent X-ray diffraction. JAPANESE JOURNAL OF APPLIED PHYSICS. 2022. 61. SN
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MISC (89):
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押目典宏, 大和田謙二, 町田晃彦, 菅原健人, 島田歩, 上野哲朗, 綿貫徹, 石井賢司, 豊川秀訓, 豊川秀訓, et al. Nondestructive visualization of the external shape and internal strain distribution for a single crystalline particle of tens to hundreds of nm size using Bragg coherent X-ray diffraction imaging. 日本物理学会講演概要集(CD-ROM). 2023. 78. 2
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押目典宏, 大和田謙二, 菅原健人, 島田歩, 安部友啓, 山内礼士, 上野哲朗, 町田晃彦, 綿貫徹, 佐藤良太, et al. Three-dimensional imaging for Pd-hydride nanocrystals using Bragg coherent X-ray diffraction. 日本物理学会講演概要集(CD-ROM). 2022. 77. 1
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大和田謙二, 押目典宏, 菅原健人, 島田歩, 上野哲朗, 町田晃彦, 石井賢司, 綿貫徹, 豊川秀訓, 豊川秀訓, et al. コヒーレントX線回折を利用したナノ結晶の3次元イメージング. 日本結晶学会年会講演要旨集. 2022. 2022
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押目典宏, 大和田謙二, 町田晃彦, 福島凪世, 上野慎太郎, 藤井一郎, 和田智志, 菅原健人, 島田歩, 上野哲朗, et al. Inhomogeneous structure in the paraelectric phase and ferroelectric phase transition of a 500-nm-sized BaTiO3 single particle. 日本物理学会講演概要集(CD-ROM). 2022. 77. 2
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押目典宏, 大和田謙二, 町田晃彦, 福島凪世, 上野慎太郎, 藤井一郎, 和田智志, 菅原健人, 島田歩, 上野哲朗, et al. Strain imaging of a sub-μm-sized ferroelectric single-particle using coherent X-ray diffraction. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2022. 83rd
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Books (1):
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Resonant X-ray Scattering in Correlated Systems
Springer 2017 ISBN:9783662532256
Education (2):
- 1994 - 1999 東京大学大学院 理学系研究科 物理学専攻
- 1990 - 1994 The University of Tokyo Faculty of Science Department of Physics
Professional career (1):
Work history (10):
- 2023/04 - 現在 量子科学技術研究開発機構 放射光科学研究センター 上席研究員
- 2017/04 - 現在 Okayama University
- 2021/04 - 2023/03 量子科学技術研究開発機構 量子ビーム科学部門 研究企画部 研究統括
- 2016/04 - 2021/03 量子科学技術研究開発機構 放射光科学研究センター 上席研究員
- 2011/10 - 2016/03 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
- 2007/10 - 2011/09 日本原子力研究開発機構 量子ビーム応用研究部門 副主任研究員
- 2005/10 - 2007/06 日本原子力研究開発機構 量子ビーム応用研究部門 研究員
- 2001/04 - 2005/09 日本原子力研究所 関西研究所放射光科学研究センター 研究員
- 1999/04 - 2001/03 東京大学大学院 理学系研究科 リサーチアソシエイト
- 1997/10 - 1999/03 日本学術振興会 特別研究員 DC2
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Committee career (1):
- 2007 - 2009 日本放射光学会 日本放射光学会誌編集委員
Awards (1):
Association Membership(s) (3):
日本XAFS研究会
, THE JAPANESE SOCIETY FOR SYNCHROTRON RADIATION RESEARCH
, THE PHYSICAL SOCIETY OF JAPAN
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