Ishiwata Shintaro

イシワタシンタロウ | Ishiwata Shintaro

Affiliation and department：
Job title：教授

Research keywords (11)：磁性 , トポロジカル物質 , 強相関電子系 , 高圧合成 , 結晶構造探索 , 超伝導 , 熱電変換 , ペロブスカイト型酸化物 , マルチフェロイックス , 放射光X線回折 , フラストレーション

Research theme for competitive and other funds (9)：

2023 - 2028 Development of Novel Asymmetric Quantum Matters
2022 - 2025 Strategic high-pressure synthesis of metastable spintronic materials
2019 - 2022 Study of novel piezoelectric responses in highly conductive materials
2017 - 2022 Frustration-induced spin textures
2017 - 2020 Creation of unusual valence compounds and the exploration of novel functions - making use of extreme conditions

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Papers (143)：

Hidefumi Takahashi, Yusuke Kurosaka, Kenta Kimura, Akitoshi Nakano, Shintaro Ishiwata. Observation of converse flexoelectric effect in topological semimetals. Communications Materials. 2024. 5. 236
Bruno Kenichi Saika, Satoshi Yoshida, Markel Pardo-Almanza, Natsuki Mitsuishi, Masato Sakano, Yuita Fujisawa, Yue Wang, Yoshihiro Iwasa, Hideki Matsuoka, Hidefumi Takahashi, et al. Dimensionality-driven power-law gap in the bilayer TaTe2 grown by molecular-beam epitaxy. APL Materials. 2024. 12. 7
D. Takegami, M. Nakamura, A. Melendez-Sans, K. Fujinuma, R. Nakamura, M. Yoshimura, K.-D. Tsuei, A. Tanaka, M. Gen, Y. Tokunaga, et al. Negative charge-transfer energy in SrFeO3 revisited with hard x-ray photoemission spectroscopy. Physical Review B. 2024. 109. 23
Naoki Abe, Yuya Hano, Hiroaki Ishizuka, Yusuke Kozuka, Terumasa Tadano, Yoshihiro Tsujimoto, Kazunari Yamaura, Shintaro Ishiwata, Jun Fujioka. Large anomalous Hall effect in spin fluctuating devil’s staircase. npj Quantum Materials. 2024
Masataka Kakoi, Takashi Oi, Yujiro Ohshita, Mitsuharu Yashima, Kazuhiko Kuroki, Takeru Kato, Hidefumi Takahashi, Shintaro Ishiwata, Yoshinobu Adachi, Naoyuki Hatada, et al. Multiband Metallic Ground State in Multilayered Nickelates La₃Ni₂O₇ and La₄Ni₃O₁₀ Probed by ¹³⁹La-NMR at Ambient Pressure. Journal of the Physical Society of Japan. 2024. 93. 5. 053702

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MISC (190)：

厳正輝, 今城周作, 鬼頭俊介, 徳永祐介, 新居陽一, 池田暁彦, 小濱芳允, 金道浩一, 石渡晋太郎, 有馬孝尚, et al. Magnetoelastic study on the itinerant helimagnet SrFeO₃ and reconsideration of the phase diagram. 日本物理学会講演概要集(CD-ROM). 2024. 79. 1
高橋英史, 石渡晋太郎. 磁性半導体AgCrSe2における特異な磁気抵抗効果-スピン軌道相互作用とゼーマン分裂の協奏-. 固体物理. 2023. 685. 3
鬼頭俊介, 厳正輝, 厳正輝, 中村唯我, 杉本邦久, 徳永祐介, 石渡晋太郎, 有馬孝尚, 有馬孝尚. Direct observation of 3d electron and ligand-hole in cubic perovskite SrFeO₃ by synchrotron X-ray diffraction experiments. 日本物理学会講演概要集(CD-ROM). 2023. 78. 1
西山裕樹, 酒井英明, 中川賢人, 花咲徳亮, 石渡晋太郎, 増田英俊, 越智正之, 黒木和彦, 井口敏, 佐々木孝彦, et al. Variation of Charge Dynamics upon the magnetic transition in the Dirac semimetal of EuMnBi₂. 日本物理学会講演概要集(CD-ROM). 2021. 76. 1
高橋龍之介, ZHANG Yujun, 大山耕平, 光田暁弘, 高橋英史, 小野瀬雅穂, 小野瀬雅穂, 石渡晋太郎, 伊奈稔哲, 瀬戸山寛之, et al. X-ray absorption spectroscopy of (Sr_1-xBa_x)_2/3La_1/3FeO₃. 日本物理学会講演概要集(CD-ROM). 2020. 75. 1

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Books (1)：

Education (2)：

Professional career (1)：

Work history (10)：

2019/04 - 現在 Osaka University Graduate School of Engineering Science, Department of Materials Engineering Science Division of Materials Physics
2012/06 - 2019/03 The University of Tokyo The Graduate School of Engineering, Department of Applied Physics
2014/10 - 2018/03 科学技術振興機構さきがけ「超空間制御と革新的機能創成」さきがけ研究者(兼任)
2015/04 - 2016/03 The University of Tokyo The Institute for Solid State Physics
2010/04 - 2012/06 The University of Tokyo The Graduate School of Engineering, Quantum-Phase Electronics Center

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Awards (4)：

2014/04 - 文部科学省平成26年度科学技術分野の文部科学大臣表彰若手科学者賞巨大な外場応答を示す新規遷移金属化合物の研究
2006/02 - 井上科学振興財団第22回井上研究奨励賞電荷不均化を示すペロブスカイト型酸化物の高圧合成及び高圧下単結晶作製
2003/12 - 京都大学化学研究所第8回京都大学化学研究所所長賞奨励賞新奇ペロブスカイトBiNiO3の高圧合成と結晶構造解析及びLa置換による電荷不均化の抑制
2003/03 - 日本化学会第83春季年会日本化学会学生講演賞ペロブスカイト型酸化物BiNiO3の構造と物性及びAサイト置換効果

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