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 (18)：

2024 - 2027 保磁力理論研究の新展開:原子スケールの揺らぎを保持したマルチスケール解析法の開発
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

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Papers (245)：

T. Onuma, N. Ono, S. Okamoto. Feature Analysis on Iron Loss Behaviors of Various Soft Magnetic Cores under DC Bias Fields. Journal of the Magnetics Society of Japan. 2025. 49. 1. 21-26
Tomomi Suwa, Keisuke Ishigami, Motohiro Suzuki, Satoshi Okamoto. Feature extraction and classification of microstructure and magnetic tomography images of an advanced Nd-Fe-B sintered magnet. Japanese Journal of Applied Physics. 2024. 63. 11. 117002-117002
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
Mai Phuong Nguyen, Shigeyoshi Yoshida, Satoshi Okamoto, Takamichi Miyazaki, Yasushi Endo. Effect of Compaction Pressure on Core Loss in Fe-Ni Powder Cores for High-Frequency Applications. IEEE Transactions on Magnetics. 2024. 60. 9. 1-4
Nobuhisa Ono, Yuji Uehara, Tomoyuki Onuma, Takuya Taniguchi, Nobuaki Kikuchi, Satoshi Okamoto. Multimodal iron loss analyses based on magnetization processes for various soft magnetic toroidal cores. Journal of Magnetism and Magnetic Materials. 2024. 603. 172222-172222

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MISC (115)：

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
諏訪智巳, 鈴木基寛, 大久保忠勝, 入山恭彦, 宮脇寛, 谷口卓也, 岡本聡. Nd-Fe-B熱間加工磁石の3次元磁化反転過程解析に向けた磁区抽出. 日本金属学会講演大会(Web). 2024. 175th
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
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
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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Books (4)：

Magnetic Measurement Techniques for Materials Characterization
Springer 2021 ISBN:9783030704421
RF power semiconductor generator application in heating and energy utilization
Springer Nature Singapore Pte Ltd 2020
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
薄膜の評価技術ハンドブック
2013

Lectures and oral presentations (161)：

直流バイアス磁場下における各種軟磁性コアの鉄損挙動の特徴解析
(日本金属学会2025年春期講演大会 2025)
多結晶軟磁性材料における磁歪効果の結晶粒径依存性
(日本金属学会2025年春期講演大会 2025)
High-Frequency Core Loss Reduction in Fe-Based Soft Magnetic Ribbons: A Microstructural Approach
(The 16th Joint Conference on Magnetism and Magnetic Materials and Intermag 2025)
Novel Approaches of Nanocrystalline Alloys with Large Saturation Magnetization for Next-Generation Power-Electronics Applications
(The 16th Joint Conference on Magnetism and Magnetic Materials and Intermag 2025)
Soft Magnets
(The 16th Joint Conference on Magnetism and Magnetic Materials and Intermag 2025)

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Professional career (1)：

Association Membership(s) (3)：

日本金属学会 , 日本応用磁気学会 , 電気学会

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