Iihama Satoshi

イイハマサトシ | Iihama Satoshi

Affiliation and department：
Job title： Associate Professor

Research field (3)： Nanomaterials , Thin-film surfaces and interfaces , Applied materials

Research keywords (6)： Spintronics , Photo-spin , Ferromagnetic resonance , Pump-probe technique , Magnetization dynamics , Magnetism

Research theme for competitive and other funds (12)：

2022 - 2026 Photo-Magnonic Reservoir Computing
2021 - 2023 Optical magnetic recording via optical spin torque in a ferromagnet/non-magnet heterostructure
2021 - 2023 Development of photon-spin interface using surface plasmon resonance in a noble metal/ferromagnet/dielectric structure
2021 - 2022 Non-linear magnonics in synthetic antiferromagnets
2021 - 2022 Light-spin coupling in two-dimensional materials

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Papers (50)：

Satoshi Iihama, Yuya Koike, Shigemi Mizukami, Natsuhiko Yoshinaga. Universal scaling between wave speed and size enables nanoscale high-performance reservoir computing based on propagating spin-waves. npj Spintronics. 2024. 2. 1
Takeshi Seki, Yong-Chang Lau, Junya Ikeda, Kohei Fujiwara, Akihiro Ozawa, Satoshi Iihama, Kentaro Nomura, Atsushi Tsukazaki. High Spin-Charge Conversion Efficiency of Co₃Sn₂S₂ Promoted by Transition from Paramagnetic to Ferromagnetic Phase. 2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers). 2023
Kazuaki Ishibashi, Satoshi Iihama, Shigemi Mizukami. Different spin relaxation properties observed in linearly and circularly polarized laser induced terahertz emission from a Bi/Co bilayer. Physical Review B. 2023. 107. 14. 144413
Takeshi Seki, Yong-Chang Lau, Junya Ikeda, Kohei Fujiwara, Akihiro Ozawa, Satoshi Iihama, Kentaro Nomura, Atsushi Tsukazaki. Enhancement of spin-charge conversion efficiency for Co3Sn2S2 across transition from paramagnetic to ferromagnetic phase. Physical Review Research. 2023. 5. 1. 013222
Satoshi Iihama, Kazuaki Ishibashi, Shigemi Mizukami. Photon spin angular momentum driven magnetization dynamics in ferromagnet/heavy metal bilayers. Journal of Applied Physics. 2022. 131. 2. 023901-023901

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Patents (1)：

Lectures and oral presentations (78)：

Photonic spin-torque in ferromagnet/heavy metal heterostructures
(MRM2023/IUMRS-ICA2023 2023)
スピン波リザバー高性能化に向けた短期記憶容量のスケーリング
(第47回日本磁気学会学術講演会 2023)
極薄強磁性/非磁性ヘテロ構造における光スピントルクを利用した高効率光磁気記録
(2023 旭硝子財団助成研究発表会 2023)
Nano-scale physical reservoir computing based on propagating spin-wave
(Intermag Conference 2023 2023)
Ultrafast direct photonic generation and manipulation of magnetization in heterostructure thin films
(IJL seminar 2023)

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Education (3)：

2013 - 2016 Tohoku University Department of Applied Physics Doctoral Course
2011 - 2013 Tohoku University Department of Applied Physics Master's Course
2007 - 2011 Tohoku University Department of Engineering Department of Information and Intelligent Systems

Professional career (1)：

Work history (11)：

2022/10 - 現在 Japan Science and Technology Agency PRESTO researcher
2023/07 - 2024/03 Tohoku University Frontier Research Institute for Interdisciplinary Sciences
2021/07 - 2024/03 Tohoku University
2020/04 - 2024/03 Tohoku University Frontier Research Institute for Interdisciplinary Sciences Creative Interdisciplinary Research Division Assistant Professor
2023/04 - 2023/05 University of Lorraine Institut Jean Lamour Invited Professor

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Awards (12)：

2023/07 - Honda Memorial Foundation Harada Young Researcher Award Optically induced spin dynamics in metallic magnetic heterostructure
2022/11 - The Japan Society of Applied Physics Poster Award in the 83rd JSAP Autumn Meeting 2022 Opical spin generation using Bi/Ag interface
2022/01 - Journal of Applied Physics Featured Article Photon spin angular momentum driven magnetization dynamics in ferromagnet/heavy metal bilayers
2020/09 - Applied Physics Letters Featured Article All-optical probe of magnetization precession modulated by spin-orbit torque
2020/02 - Symposium for The Core Research Clusters for Materials Science and Spintronics Poster award Spin-orbit torque generated by disordered atomic structure of metallic glass

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Association Membership(s) (2)：

The Magnetics Society of Japan , The Japan Society of Applied Physics

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