Kikuchi Nobuaki

キクチノブアキ | Kikuchi Nobuaki

Affiliation and department：
Job title： Professor
Homepage URL (1)： http://www2.tagen.tohoku.ac.jp/lab/okamoto/

Research field (1)： Applied physics - general

Research theme for competitive and other funds (16)：

2021 - 2024 Research of synthetic antiferromagnet for THz devices with Brillouin light scattering
2020 - 2023 Energy loss analysis in soft magnetic particles for high frequency region and development of its design method
2017 - 2021 Generation of circularly polarized femtosecond coherent soft x-rays and its application to ultrafast spin dynamics
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 (142)：

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
Minh Van Nguyen, Nobuaki Kikuchi, Toshiyuki Kodama, Taiyu Okatani, Naoki Inomata, Yoshiaki Kanamori. Fabrication and characterization of delay lines with spoof surface plasmon polariton waveguide coupled with C-shaped metamaterials for microwave integrated circuits. Japanese Journal of Applied Physics. 2024
Toshiyuki Igarashi, Shingo Tamaru, Nobuaki Kikuchi, Shigeyoshi Yoshida, Satoshi Okamoto. Analysis on bimodal complex permeability spectrum of a noise suppression sheet and single constituent flakes. Journal of Magnetism and Magnetic Materials. 2024. 590. 171640-171640
Nobuhisa Ono, Yuji Uehara, Yasushi Endo, Shigeyoshi Yoshida, Nobuaki Kikuchi, Hidehiko Oikawa, Satoshi Okamoto. Analysis on Iron Loss of Sendust Dust Cores Based on Magnetization Reversal Processes. IEEE Transactions on Magnetics. 2023. 59. 11. 1-5
Nobuaki Kikuchi, Katsunari Sato, Masatoshi Hatayama, Takehito Shimatsu, Satoshi Okamoto. Effect of film thickness on microwave assisted switching behavior. 2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers). 2023

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MISC (74)：

児玉俊之, 菊池伸明, 岡本聡, 大野誠吾, 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. 信学技報. 2023. 123. 65. 32-36
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. 123. 65. 37-42
Permeability control for time-varying metamaterials. 2022. MAG22146
芳賀僚太, 菊池伸明, 岡本聡, 高橋有紀子. 極薄化によSm(Fe80CO20)12微粒子薄膜の作製と保磁力発現可能性の検討 (マグネティックス研究会ナノスケール構造磁性体、永久磁石、磁性材料、磁気応用一般). 電気学会研究会資料. MAG = The papers of technical meeting on magnetics, IEE Japan. 2021. 2021. 82. 37-40
Effect of thermal fluctuations on microwave assisted switching in Co/Pt nanodot array. 2021. 45. 14. 7-11

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Patents (6)：

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Lectures and oral presentations (44)：

時間変調メタマテリアルに向けたスピン注入透磁率制御
(第47回日本磁気学会学術講演会 2023)
磁化反転過程に基づく各種トロイダル磁心の鉄損解析
(第47回日本磁気学会学術講演会 2023)
マイクロ波アシスト磁化反転時のエネルギー障壁
(第47回日本磁気学会学術講演会 2023)
Py/Pt 二層膜におけるスピントルク強磁性共鳴での非線形効果
(第84回応用物理学会秋季学術講演会 2023)
マイクロ波アシスト磁化反転と熱揺らぎ
(電子情報通信学会磁気記録・情報ストレージ研究会 2023)

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Education (3)：

2000 - 2003 Tohoku University Graduate School of Engineering Department of Applied Physics
1998 - 2000 Tohoku University Graduate School of Engineering Department of Applied Physics
1994 - 1998 Tohoku University Faculty of Engineering

Professional career (1)：

Work history (4)：

2024/04 - 現在 Akita University Graduate school of Engineering Sciences Professor
2020/10 - 2024/03 Tohoku University Institute of Multidisciplinary Research for Advanced Materials Associate Professor
2007/04 - 2020/10 Tohoku University Institute of Multidisciplinary Research for Advanced Materials
2006/07 - 2007/03 Tohoku University Institute of Multidisciplinary Research for Advanced Materials

Association Membership(s) (2)：

日本磁気学会 , 日本金属学会

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