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Affiliation and department：
Homepage URL (1)： https://sites.google.com/site/yamakolux/
Research theme for competitive and other funds (3)：
Papers (53)：
MISC (11)：
Professional career (2)：
Work history (1)：
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National Institutes for Quantum and Radiological Science and Technology
About National Institutes for Quantum and Radiological Science and Technology
Homepage URL (1)： https://sites.google.com/site/yamakolux/
Research theme for competitive and other funds (3)：
- 2021 - 2024 Development of a dynamical operando hard x-ray photoelectron spectroscopic system for liquid reaction field
- 2021 - 2024 共鳴X線磁気反射率測定による磁性体多層膜の内部構造の解明
- 2019 - 2021 Element-selective observation of photo-induced magnetization dynamics in ferromagnetic materials using synchrotron radiation x-rays
- Takuo Ohkochi, Ryunosuke Takahashi, Hidenori Fujiwara, Hirokazu Takahashi, Roman Adam, Umut Parlak, Kohei Yamamoto, Hitoshi Osawa, Masato Kotsugi, Arata Tsukamoto, et al. Investigation of deterministic and cumulative nature in helicity-dependent optical switching of ferrimagnetic Gd-Fe-Co films. Journal of Magnetism and Magnetic Materials. 2024. 171854-171854
- Le Duc Anh, Masaki Kobayashi, Takahito Takeda, Kohsei Araki, Ryo Okano, Toshihide Sumi, Masafumi Horio, Kohei Yamamoto, Yuya Kubota, Shigeki Owada, et al. Ultrafast Subpicosecond Magnetization of a 2D Ferromagnet. Advanced Materials. 2023. 35. 40
- Takanori Koitaya, Kohei Yamamoto, Tomoya Uruga, Toshihiko Yokoyama. Operando Characterization of Copper-Zinc-Alumina Catalyst for Methanol Synthesis from Carbon Dioxide and Hydrogen by Ambient-Pressure Hard X-ray Photoelectron Spectroscopy. The Journal of Physical Chemistry C. 2023
- Hiroki Wadati, Kohei Yamamoto. Observation of spin dynamics of ferromagnets and antiferromagnets using the time structure of X-rays. JSAP Review. 2023. 2023. 230217
- Yujun Zhang, Tsukasa Katayama, Akira Chikamatsu, Christian Schüßler-Langeheine, Niko Pontius, Yasuyuki Hirata, Kou Takubo, Kohei Yamagami, Keisuke Ikeda, Kohei Yamamoto, et al. Photo-induced antiferromagnetic-ferromagnetic and spin-state transition in a double-perovskite cobalt oxide thin film. Communications Physics. 2022. 5. 1
- 和達 大樹, 田久保 耕, 津山 智之, 横山 優一, 山本 航平, 平田 靖透, 伊奈 稔哲, 新田 清文, 水牧 仁一朗, 富樫 格, et al. X-Ray Absorption Spectroscopy of 4fCompounds and Future Directions Toward Time-resolved Measurements. X線分析の進歩. 2018. 49. 169-175
- 田久保耕, 横山優一, 山本航平, 平田靖透, 和達大樹, 岩崎駿, 溝川貴司, BOYKO Teak, SUTARTO Ronny, HE Feizoh, et al. 梯子型超伝導体BaFe2S3の共鳴軟X線散乱. 日本放射光学会年会・放射光科学合同シンポジウム(Web). 2018. 31st
- Yamamoto K, Suzuki M, Katayama T, Togashi T, Adachi S, Tamasaku K, Yabashi M, Tanaka Y, Seki T, Takanashi K, et al. Magnetization dynamics of FePt thin films measured by time-resolved x-ray magnetic circular dichroism at Pt L edge. Meeting Abstracts of the Physical Society of Japan. 2018. 73. 0. 717-717
- 横山優一, 横山優一, 平田靖透, 平田靖透, 山本航平, 山本航平, 田久保耕, 宮脇淳, 原田慈久, 朝倉大輔, et al. 高分解能軟X線発光分光で観測したLaCoO3薄膜のスピン状態とエピタキシャル歪みの関係. 日本放射光学会年会・放射光科学合同シンポジウム(Web). 2017. 30th
- 山本航平, 山本航平, 平田靖透, 平田靖透, 堀尾眞史, 横山優一, 横山優一, 田久保耕, 簑原誠人, 組頭広志, et al. 共鳴X線散乱でみたLa1/3Sr2/3FeO3の磁気秩序の膜厚依存. 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. 63
- Master of Science (The University of Tokyo)
- Doctor of Science (The University of Tokyo)
- 2019/04 - 2023/03 分子科学研究所 物質分子研究領域 助教
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