Rchr
J-GLOBAL ID:201601012369194331
Update date: Nov. 19, 2024
Yoshimatsu Kohei
ヨシマツ コウヘイ | Yoshimatsu Kohei
Affiliation and department:
Job title:
Associate Professor
Homepage URL (1):
https://yoshimatsulab.wixsite.com/yoshimatsu-lab
Research field (1):
Thin-film surfaces and interfaces
Research keywords (5):
Transition-metal oxides
, Superconductivity
, Metal-insulator transition
, Synchrotron radiation photoemission spectroscopy
, Oxide thin films
Research theme for competitive and other funds (9):
- 2022 - 2025 Optoelectronic properties of new metastable titanate that show various phase transitions
- 2020 - 2022 Development of inexpensive Hall effects measurement system using two-AC method
- 2019 - 2022 薄膜格子歪みによるTi2O3の金属絶縁体転移制御と応用
- 2016 - 2019 単純酸化物薄膜が創る複雑な構造・電子物性
- 2015 - 2018 Development of electroactive materials through the analysis of electronic phase diagrams of epitaxial transition-metal oxides
- 2013 - 2015 強相関金属量子井戸構造による低次元伝導制御
- 2012 - 2015 Synthesis of photochemically active metal oxides having magnetic superstructures
- 2012 - 2013 Creation of novel electronic states using strongly correlated quantum well structures
- 2009 - 2012 Interface engineering of oxide heterojunctions with controlled termination structure based on synchrotron radiation analysis
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Papers (86):
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Ryotaro Hayasaka, Tatsuhiko Kanda, Yuuki Masutake, Duy Khanh Nguyen, Naoto Hasegawa, Seitaro Inoue, Asato Wada, Miho Kitamura, Daisuke Shiga, Kohei Yoshimatsu, et al. Common anion rule in oxide heterointerfaces: Experimental verification by in situ photoemission spectroscopy. APL Materials. 2024. 12. 7
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K. Yoshimatsu, H. Nakao, H. Kumigashira. Temperature-induced structural and electronic phase transitions in λ -phase Ti3O5. Physical Review Materials. 2024. 8. 3. 035002-1-035002-9
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D. Shiga, X. Cheng, T. T. Kim, T. Kanda, N. Hasegawa, M. Kitamura, K. Yoshimatsu, H. Kumigashira. Electronic phase diagram of Cr-doped VO2 epitaxial films studied by in situ photoemission spectroscopy. Physical Review B. 2023. 108. 4. 045112-1-045112-9
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Tatsuhiko Kanda, Daisuke Shiga, Asato Wada, Ryotaro Hayasaka, Yuuki Masutake, Naoto Hasegawa, Miho Kitamura, Kohei Yoshimatsu, Hiroshi Kumigashira. Quantization condition of strongly correlated electrons in oxide nanostructures. Communications Materials. 2023. 4. 1. 27-1-27-6
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吉松 公平. パルスレーザ堆積法によるλ相Ti3O5薄膜の合成 -薄膜による準安定相図の安定化. レーザ加工学会誌. 2023. 30. 1. 42-45
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MISC (51):
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芝田悟朗, 北村未歩, 簑原誠人, 吉松公平, 吉松公平, 門野利治, 石上啓介, 原野貴幸, 高橋文雄, 坂本祥哉, et al. La1-xSrxMnO3薄膜における基板応力により誘起された異方的スピン分布の角度依存X線磁気円二色性による観測. Photon Factory News. 2018. 36. 3
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芝田悟朗, 和達大樹, 田久保耕, 高橋文雄, SUTARTO Ronny, HE Feizhou, 吉松公平, 組頭広志, 小出常晴, 藤森淳. 共鳴軟X線散乱を用いた強磁性金属La0.6Sr0.4MnO3薄膜の深さ方向電子状態解析. 日本放射光学会年会・放射光科学合同シンポジウム予稿集. 2016. 29th. 87
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Kobayashi M, Yoshimatsu K, Mitsuhashi T, Sakai E, Kitamura M, Yukawa R, Minohara M, Fujimori A, Horiba K, Kumigashira H. 19pBM-6 Breakdown of Fermi Liquid near Metal-Insulator Transition in Strongly Correlated Oxide SrVO_3 Quantum Well. Meeting Abstracts of the Physical Society of Japan. 2016. 71. 0. 2024-2024
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T. Harano, G. Shibata, K. Yoshimatsu, K. Ishigami, V. K. Verma, Y. Takahashi, T. Kadono, T. Yoshida, A. Fujimori, T. Koide, et al. Phase diagram of Ca1-xCexMnO3 thin films studied by X-ray magnetic circular dichroism (vol 174, pg 30, 2013). SOLID STATE COMMUNICATIONS. 2015. 207. 49-49
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芝田悟朗, 和達大樹, 田久保耕, 高橋文雄, SUTARTO Ronny, HE Feizhou, 吉松公平, 組頭広志, 小出常晴, 藤森淳. 共鳴軟X線散乱による強磁性金属La0.6Sr0.4MnO3薄膜の深さ方向電子状態解析. 日本物理学会講演概要集(CD-ROM). 2015. 70. 1. ROMBUNNO.22ABD-4
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Patents (3):
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λ-Ti3O5膜形成基板およびλ-Ti3O5膜形成基板の製造方法
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金属化合物結晶性膜及びその製法
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超伝導酸化物薄膜およびその製造方法
Lectures and oral presentations (61):
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Ti2O3薄膜の電子相転移に伴なう電気特性と電子状態変化
(2023年度東京工業大学極低温研究支援センター研究発表会 2024)
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Electronic Structures of Ti2O3 Films revealed by Soft X-ray Angle-Resolved Photoemission Spectroscopy
(8th Annual Conference of AnalytiX-2023 2023)
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Synthesis of Metastable Titanate Film for Optoelectronic Applications
(Advanced Materials & 10th Intermetallic Symposium 2023)
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Modulation of superconductivity using Li-ion secondary battery technique
(International Congress on Pure and Applied Chemistry (ICPAC) Kota Kinabalu 2022 2022)
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密度汎関数法によるTi2O3の金属絶縁体転移
(第83回応用物理学会秋季学術講演会 2022)
more...
Education (3):
- 2009 - 2012 University of Tokyo Department of Applied Chemistry
- 2007 - 2009 University of Tokyo Department of Applied Chemistry
- 2003 - 2007 University of Tokyo Department of Applied Chemistry
Professional career (1):
Work history (12):
- 2023/08 - 現在 Tokyo Institute of Technology School of Materials and Chemical Technology Associate professor
- 2023/04 - 2023/07 Tohoku University Graduate School of Science Department of Chemistry Associate Professor
- 2023/04 - 2023/07 Tohoku University Institute of Multidisciplinary Research for Advanced Materials Associate Professor
- 2018/10 - 2023/03 Tohoku University Graduate School of Science Department of Chemistry
- 2018/10 - 2023/03 Tohoku University Multidisciplinary Research for Advanced Materials Lecturer
- 2018/11 - 2022/03 東京工業大学元素戦略研究センター (併任) 特定講師
- 2016/04 - 2018/09 Tokyo Institute of Technology Department f Chemical Science and Engineering Assistant Professor
- 2013/04 - 2016/03 Tokyo Institute of Technology Department of Applied Chemistry Assistant professor
- 2012/04 - 2013/03 JSPS research fellow PD
- 2009/04 - 2012/03 University of Tokyo Department of Applied Chemistry Ph. D Student
- 2009/04 - 2012/03 JSPS research fellow DC1
- 2007/04 - 2009/03 University of Tokyo Department of Applied Chemistry Ph. D student
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Committee career (5):
- 2023/08 - 現在 東京工業大学極低温研究支援センター 極低温研究支援センター運営委員
- 2023/04 - 現在 公益財団法人 応用物理学会 機関紙「応用物理」外部記者
- 2022/12 - 現在 Frontiers in Materials Associate Editor
- 2016/09 - 現在 Scientific Reports Editorial Broad Member
- 2021/04 - 2023/03 公益財団法人 応用物理学会 機関紙「応用物理」 編集委員
Awards (15):
- 2024/02 - IOP Publishing Outstanding Reviewer Award Outstanding Reviewer Award 2023 for Journal of Physics: Condensed Matter, IOP publishing
- 2024/01 - American Physical Society APS Outstanding Referee 2024 Outstanding Referees of the Physical Review journals
- 2023/03 - 公益財団法人 応用物理学会 超伝導分科会 第14回応用物理学会超伝導分科会論文賞 “p-type transparent superconductivity in a layered oxide,” Sci. Adv. 6, eabb8570 (2020).
- 2022/04 - IOP publishing Outstanding Reviewer Awards 2021 Outstanding Reviewer Awards 2021 for Journal of Physics D: Applied Physics
- 2022/02 - 公益財団法人 応用物理学会 薄膜・表面物理分科会 第6回 応用物理学会薄膜・表面物理分科会 論文賞 “Thickness dependence of electronic structures in VO2 ultrathin films: Suppression of the cooperative Mott-Peierls transition”, Physical Review B 102, 115114 (2020).
- 2021/04 - IOP publishing Outstanding Reviewer Award 2020 Outstanding Reviewer Award 2020 for Journal of Physics: Condensed Matter
- 2020/09 - Institute of Physics IOP trusted reviewer
- 2020/07 - 公益財団法人本多記念会 第60回原田研究奨励賞 低酸化数を持つ酸化チタン薄膜の電子物性開拓
- 2020/03 - トーキン科学技術振興財団 トーキン科学技術賞 低価数を示す酸化チタン薄膜の創生と新規電子物性開拓
- 2018/04 - Scientific Reports top 100 read physics papers for Scientific Reports in 2017 Superconductivity in Ti4O7 and g-Ti3O5 films
- 2017/07 - 3rd Functional Oxide Thin Films for Advanced Energy and Information Technology Conference Poster Award Superconductivity in higher titanium oxides
- 2015/09 - The Japan Society of Applied Physics Presentation Award Superconductivity of gamma-type Ti3O5
- 2014/03 - Funai Foundation Fun Research Award
- 2014/01 - The Japan Society for Synchrotron Research Research Award
- 2012/01 - The Japan Society for Synchrotron Research Presentation award for student Quantum well states of strongly correlated oxide of SrVO3
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Association Membership(s) (4):
日本化学会
, THE PHYSICAL SOCIETY OF JAPAN
, THE JAPANESE SOCIETY FOR SYNCHROTRON RADIATION RESEARCH
, THE JAPAN SOCIETY OF APPLIED PHYSICS
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