Research field (2)：
Mathematical physics and basic theory
, Magnetism, superconductivity, and strongly correlated systems
Research keywords (4)：
condensed matter theory
, スピントロニクス
, 核磁気共鳴
, 電子スピン共鳴
Research theme for competitive and other funds (7)：
2024 - 2027 Theoretical study on next-generation ultra-high speed true random number generator using spintronics technique and control of magnetization switching
2020 - 2023 Theoretical study of laser-excited magnetization reversal dynamics for developing ultra-high-density magnetic recording media
2018 - 2022 Development of high perpendicular anisotropy thin film and its magnetization control
2020 - 2021 Theoretical study of laser-induced magnetization reversal dynamics for developing ultra-high density magnetic recording media
2017 - 2020 Theoretical Study of Magnetization Switching Dynamics Using Spin Wave Resonance
2006 - 物理化学
2001 - 2005 Pulsed ESR study of electron spin relaxation of organic radical
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Papers (28)：
Toshiki Yamaji, Hiroshi Imamura. Landau-Lifshitz-Bloch Simulation Study on the Thermal Effect of Widening an In-plane Ballistic Reversal Region. Journal of the Physical Society of Japan. 2025. 94. 11. 115001-1-115001-2
Toshiki Yamaji, Hiroshi Imamura. Macrospin study on magnetization reversal in synthetic antiferromagnetically coupled composite of perpendicularly magnetized nanomagnets. Applied Physics Letters. 2024. 125. 11. 112403-1-112403-6
Hiroshi Imamura, Hiroko Arai, Rie Matsumoto, Toshiki Yamaji. 1/f noise of a nanopillar tunnel-magnetoresistance sensor originating from a wide distribution of bath correlation times. Physical Review Applied. 2024. 22. 1. 014032-1-014032-9
Toshiki Yamaji, Hiroshi Imamura. Material Parameters for Faster Ballistic Switching of an In-Plane Magnetized Nanomagnet. Journal of the Physical Society of Japan. 2023. 92. 6. 064703-1-064703-5
Toshiki YAMAJI. Story of my experience of both ESR and NMR. Bulletin of the Society of Electron Spin Science and Technology (SEST). 2019. 32. 42-45
Toshiki YAMAJI, Kiyonori TAKEGOSHI, Tadashi SHIMIZU. Analysis of 11B NMR Powder Lineshape of MgB2 in the Normal Phase. 2008. 123-124
Jun YAMAUCHI, Toshiki YAMAJI. Temperature dependence of spin-lattice relaxation time and spin-spin relaxation time of organic radical. Low Temperature and Materials Sciences (Kyoto University). 2006. 8. 50-50
Lectures and oral presentations (32)：
Theoretical analysis of thermal effect on probability of voltage-controlled reversal of magnetization in a nanomagnet
(2025 Annual (80th) Meeting of JPS 2025)
Theoretical analysis of thermal effect on voltage-controlled reversal of magnetization in a nanomagnet
(The 2025 IEICE General Conference 2025)
Theoretical analysis of thermal effect on ballistic magnetization reversal in a nano-magnet
(The 2024 IEICE Society Conference 2024)
Theoretical analysis on 1/f noise of a tiny TMR sensor
(The 5th International Symposium on Advanced Magnetic Materials and Applications (ISAMMA 2024) 2024)
Theoretical study on 1/f noise of TMR sensors
(The 71th JSAP Spring Meeting 2024)
- 2001 Kyoto University Faculty of Engineering School of Global Engineering
Professional career (1)：
Ph.D(Doctor of Science) (Kyoto University)
Work history (1)：
2006/04 - 2008/03 Kyoto University Graduate School of Science, Division of Chemistry
Committee career (2)：
2024/06 - 現在 The Institute of Electronics, Information and Communication Engineers (IEICE) Secretary of IEICE Technical Committee on Magnetic Recording & Information Storage (MRIS)
2022/06 - 2024/06 The Institute of Electronics, Information and Communication Engineers (IEICE) Assistant Secretary of IEICE Technical Committee on Magnetic Recording & Information Storage (MRIS)
