Rchr
J-GLOBAL ID：200901086910904388
Update date: Nov. 07, 2024
Okamoto Satoshi
オカモト サトシ | Okamoto Satoshi
Affiliation and department：
Job title：
Associate Professor
Homepage URL (2)：
http://www2.tagen.tohoku.ac.jp/lab/okamoto/
,
http://db.tagen.tohoku.ac.jp/php/forweb/outline.php?lang=en&no=4041
Research field (1)：
Crystal engineering
Research keywords (2)：
thin film
, magnetic material
Research theme for competitive and other funds (17)：
- 2021 - 2024 Research of synthetic antiferromagnet for THz devices with Brillouin light scattering
- 2020 - 2023 軟磁性微粒子の高周波帯域における磁気損失の起源解明とその設計手法の開発
- 2017 - 2020 Engineering technology for high frequency spin dynamics
- 2017 - 2020 Magnetization reversal analysis of permanent magnet considering local demagnetizing field
- 2017 - 2019 Feasibility study on multilevel memory based on skyrmion dynamics
- 2015 - 2018 Study of visualization of nano-magnetic dynamics and the development of the experimental techniques using synchrotron radiation
- 2014 - 2017 Development of high-efficiency techniques of microwave-assisted magnetization switching
- 2012 - 2015 Magnetization dynamics in microstructed NdFeB single dot
- 2012 - 2015 Precessional switching on perpendicularly magnetized nanodots by picosecond pulse fields
- 2011 - 2014 Magnetization switching under the assistance of rf field and its feasiility for high density recording
- 2008 - 2009 超高密度磁気記録を可能とする多値記録方式の原理に関する研究
- 2007 - 2008 Study on giant magnetic anisotropy of thin films for magnetic recording
- 2006 - 2008 Direct observation of ultra-fast switching behavior of a single nanomagnet and development of a new switching technology.
- 2003 - 2004 ELECTROMAGNETIC PROPERTIES AND APPLICATION TO MICRO-EMC OF THE METAL-OXIDE COMPOSITE FILMS WITH A FIBER LIKE NANO-STRUCTURE
- 2001 - 2003 MAGNETIC PROPERTIES OF REGULARLY ARRAYED NANODOTS AND THEIR APPLICATION TO ULTRA-HIGH DENSITY
- 2001 - 2002 強磁性金属/(酸化物,窒化物,水素化物)人工格子による巨大表面磁気異方性の探索
- 2001 - 2002 Development of Magnetic Nanopartides with High Surface Anisotropy for High Density Recording
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Papers (243)：
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Ruixuan Ying, Takuya Taniguchi, Koki Nabeta, Keisuke Ishigami, Nobuaki Kikuchi, Satoshi Okamoto. Clustering First-order reversal curve diagram using the Gaussian mixture model and the Davies Bouldin index. Japanese Journal of Applied Physics. 2024
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Toshiyuki Kodama, Nobuaki Kikuchi, Takahiro Chiba, Satoshi Okamoto, Seigo Ohno, Satoshi Tomita. Direct observation of current-induced nonlinear spin torque in Pt-Py bilayers. Physical Review B. 2024. 109. 21
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Mitsumata C., Kotsug M., Okamoto S. Thermal Stability of Magnetization States and Reversal Fields from the Perspective of Landau Theory. Transaction of the Magnetics Society of Japan Special Issues. 2024. 8. 1. 21-24
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Mai Phuong Nguyen, Shigeyoshi Yoshida, Satoshi Okamoto, Takamichi Miyazaki, Yasushi Endo. Fe-based amorphous powder cores with low core loss and improvement of permeability. AIP Advances. 2024. 14. 2
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Mai Phuong Nguyen, Shigeyoshi Yoshida, Satoshi Okamoto, Sho Muroga, Takamichi Miyazaki, Yasushi Endo. Soft magnetic properties of Fe-Ni powder cores in the high frequency range. AIP Advances. 2024. 14. 1
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MISC (114)：
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岡本 聡, 小野暢久, 谷口卓也, 佐藤佑樹, 上原裕二. 軟磁性圧粉コアの高精度鉄損測定と鉄損解析. 日本磁気学会誌 まぐね. 2024. 19. 207-211
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児玉俊之, 菊池伸明, 岡本聡, 岡本聡, 大野誠吾, 冨田知志, 冨田知志. Evaluation of Spin-Current-Induced Permeability Variation toward Time-Varying Magnetic Metamaterials. 日本磁気学会論文特集号(Web). 2024. 8. 1
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諏訪 智巳, 石上 啓介, 岡本 聡, 鈴木 基寛. Tb拡散Nd-Fe-B焼結磁石の 3次元微細組織と磁区構造からの特徴抽出. 電気学会マグネティクス研究会資料. 2023. MAG-23. 074
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菊池 伸明, 佐藤 勝成, 水谷 聡志, 畑山 正寿, 島津 武仁, 岡本 聡. マイクロ波アシスト磁化反転と熱揺らぎ. 信学技報. 2023. 37-42
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児玉俊之, 菊池伸明, 岡本聡, 岡本聡, 大野誠吾, 冨田知志, 冨田知志. 時間変調メタマテリアルに向けたスピン流誘起透磁率制御. 電子情報通信学会技術研究報告(Web). 2023. 123. 65(MRIS2023 1-7)
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Books (4)：
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Magnetic Measurement Techniques for Materials Characterization
Springer 2021 ISBN:9783030704421
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RF power semiconductor generator application in heating and energy utilization
Springer Nature Singapore Pte Ltd 2020
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省/脱Dyネオジム磁石と新規永久磁石の開発
(株)シーエムシー出版 2015
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薄膜の評価技術ハンドブック
2013
Lectures and oral presentations (154)：
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軟磁性材料の基礎について
(日本ボンド磁性材料協会(JABM)寺子屋BM塾 2024)
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磁化過程に基づく鉄損要因解析と統計モデルの比較
(日本磁気学会第48回学術講演会 2024)
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各種磁性コアの直流バイアス特性とB-Hカーブ形状の相関
(日本磁気学会第48回学術講演会 2024)
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Sincパルスを用いた広帯域鉄損機構の調査
(日本磁気学会第48回学術講演会 2024)
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軟磁性材料における過剰損失発生機構の解明
(日本磁気学会第48回学術講演会 2024)
ｍore...
Professional career (1)：
- Ph. D (Tohoku University)
Association Membership(s) (3)：
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