Okamoto Satoshi 岡本聡

… Alternative Names

OKAMOTO Satoshi 岡本聡

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Researcher Number	10292278
Other IDs	https://orcid.org/0000-0002-1302-7769
External Links
Affiliation (Current)	2025: 東北大学, 多元物質科学研究所, 教授 2025: 国立研究開発法人物質・材料研究機構, 磁性・スピントロニクス材料研究センター, NIMS招聘研究員
Affiliation (based on the past Project Information) *help	2020 – 2024: 東北大学, 多元物質科学研究所, 教授 2011 – 2019: 東北大学, 多元物質科学研究所, 准教授 2007 – 2009: Tohoku University, 多元物質科学研究所, 准教授 2006: 東北大学, 多元物質科学研究所, 助手 2001 – 2004: 東北大学, 多元物質科学研究所, 助手
Review Section/Research Field	Principal Investigator Electronic materials/Electric materials / Medium-sized Section 21:Electrical and electronic engineering and related fields / Basic Section 21050:Electric and electronic materials-related / Applied physics and engineering and related fields / Composite materials/Physical properties Except Principal Investigator Electronic materials/Electric materials / Basic Section 29010:Applied physical properties-related / Electronic materials/Electric materials / Physical properties of metals/Metal-base materials / Physical properties of metals
Keywords	Principal Investigator スピンダイナミクス / 磁気記録 / 磁気共鳴 / 高周波 / マイクロ波 / 磁化反転 / XRD / XMCD / トモグラフィー / 放射光 … More / 永久磁石 / 磁波抑制 / 磁気特性 / パワーデバイス / 電磁波抑制 / 磁気損失 / 軟磁性 / 強磁性共鳴 / DMI / 多値メモリ / skyrmion / スピン緩和 / 垂直磁化 / ナノドット / マイクロ波アシスト / 熱アシスト / 交換結合 / 多値記録 / 高密度記録 / 磁性体 / マイクロ波アシスト記録 / パターン媒体 / 微細加工 / パルス磁場 / 高速スイッチング / グラニュラー膜 / グラニュラー薄膜 / 磁気光学Kerr効果 / 人工格子 / 超薄膜 / 表面磁気異方性 / 硬質磁性 / 超常磁性 / 強磁性 … More Except Principal Investigator 磁化反転 / 保磁力 / 永久磁石 / 高周波 / 磁性薄膜 / EMC / 高密度記録 / 熱揺らぎ / ナノ磁性粒子 / 磁性メモリ / 磁化ダイナミクス / 単一粒子 / ナノコンポジット / パルス磁場 / 微細加工 / NdFeB / 磁気異方性 / マルチスケール / 原子論 / 揺らぎ / 人工反強磁性体 / THz光 / スピン波 / 磁気ダイナミクス / 磁性体薄膜 / 磁性材料 / 強磁性共鳴 / 磁性体 / ブリルアン散乱 / 局所反磁場 / 磁石 / ＮｄＦｅＢ / 反磁場 / 幾何形状 / NdFeB磁石 / 反転核生成 / 磁壁移動 / 粒界 / 磁壁 / スピンエレクトロニクス / 電子・電気材料 / STM / スピントロニクス / 軟Ｘ線 / 放射光 / Ｘ線磁気円二色性 / magnetic thin films / fine granules / fiber structure / electromagnetic noise suppression / permeability / granular thin films / evaporation / 電磁ノイズ吸収材料 / 電磁ノイズ / 高電気抵抗 / グラニュラー / 微粒子 / 繊維状構造 / 電磁波吸収 / 透磁率 / グラニュラー薄膜 / 蒸着 / hydrogenation / magnetic recording / surface anisotropy / thermal agitation / nanoparticles / magnetic memory / 水素吸蔵 / 表面磁気異方性 / PATTERNED MEDIA / LITHOGRAPHY / FePt / RECORDING / MAGNEIC ANISOTROPY / THERMAL STABILITY / NANOPARTICLE / MAGNETIC MEMORY / スピンボルテクス / パターン媒体 / FePt規則合金 / 不揮発メモリ / 電気・電子材料 / 磁気記録 / 磁化挙動 / 反転磁区 / ナノサイズ / 反転ダイナミクス / 軌道磁気モーメント / 軸比 / 垂直磁気異方性 / 六方稠密構造 / コバルト / ナノドット / Co合金 / 第一原理計算 / 磁気円二色性 / 格子歪 / Co合金, 2 Less

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
- Principal Investigator
  
  西野正理
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 29010:Applied physical properties-related
- Research Institution
  National Institute for Materials Science
永久磁石の3次元マルチモーダル測定とデータ科学手法による統合解析Principal Investigator
- Principal Investigator
  
  岡本聡
- Project Period (FY)
  2024 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 21:Electrical and electronic engineering and related fields
- Research Institution
  Tohoku University
Research of synthetic antiferromagnet for THz devices with Brillouin light scattering
- Principal Investigator
  
  Kikuchi Nobuaki
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 29010:Applied physical properties-related
- Research Institution
  Tohoku University
Energy loss analysis in soft magnetic particles for high frequency region and development of its design methodPrincipal Investigator
- Principal Investigator
  
  Satoshi Okamoto
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21050:Electric and electronic materials-related
- Research Institution
  Tohoku University
Feasibility study on multilevel memory based on skyrmion dynamicsPrincipal Investigator
- Principal Investigator
  
  Okamoto Satoshi
- Project Period (FY)
  2017 – 2018
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Research Field
  
  Applied physics and engineering and related fields
- Research Institution
  Tohoku University
Engineering technology for high frequency spin dynamicsPrincipal Investigator
- Principal Investigator
  
  Okamoto Satoshi
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Tohoku University
Magnetization reversal analysis of permanent magnet considering local demagnetizing field
- Principal Investigator
  
  Kitakami Osamu
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Physical properties of metals/Metal-base materials
- Research Institution
  Tohoku University
Study of visualization of nano-magnetic dynamics and the development of the experimental techniques using synchrotron radiation
- Principal Investigator
  
  Nakamura Tetsuya
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Japan Synchrotron Radiation Research Institute
Development of high-efficiency techniques of microwave-assisted magnetization switchingPrincipal Investigator
- Principal Investigator
  
  Okamoto Satoshi
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Tohoku University
Magnetization dynamics in microstructed NdFeB single dot
- Principal Investigator
  
  KITAKAMI Osamu
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Physical properties of metals
- Research Institution
  Tohoku University
Precessional switching on perpendicularly magnetized nanodots by picosecond pulse fields
- Principal Investigator
  
  KIKUCHI Nobuaki
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Tohoku University
Magnetization switching under the assistance of rf field and its feasiility for high density recordingPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Satoshi
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Tohoku University
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Principal Investigator
- Principal Investigator
  
  岡本聡
- Project Period (FY)
  2008 – 2009
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Tohoku University
Study on giant magnetic anisotropy of thin films for magnetic recording
- Principal Investigator
  
  KITAKAMI Osamu
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Tohoku University
Direct observation of ultra-fast switching behavior of a single nanomagnet and development of a new switching technology.Principal Investigator
- Principal Investigator
  
  OKAMOTO Satoshi
- Project Period (FY)
  2006 – 2008
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Tohoku University
ELECTROMAGNETIC PROPERTIES AND APPLICATION TO MICRO-EMC OF THE METAL-OXIDE COMPOSITE FILMS WITH A FIBER LIKE NANO-STRUCTURE
- Principal Investigator
  
  SHIMADA Yutaka
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  TOHOKU UNIVERSITY
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Principal Investigator
- Principal Investigator
  
  岡本聡
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Composite materials/Physical properties
- Research Institution
  Tohoku University
MAGNETIC PROPERTIES OF REGULARLY ARRAYED NANODOTS AND THEIR APPLICATION TO ULTRA-HIGH DENSITY
- Principal Investigator
  
  KITAKAMI Osamu
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  TOHOKU UNIVERSITY
Development of Magnetic Nanopartides with High Surface Anisotropy for High Density Recording
- Principal Investigator
  
  KITAKAMI Osamu
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Tohoku University

[Book] RF Power Semiconductor Generator Application in Heating and Energy Utilization2020
- Author(s)
  S. Horikoshi, S. Okamoto, et al.
- Total Pages
  239
- Publisher
  Springer Nature Singapore Pte Ltd.
- ISBN
  9789811535475
- Data Source
  KAKENHI-PROJECT-17H03227
[Journal Article] マイクロ波アシスト磁化反転と熱揺らぎ2024
- Author(s)
  菊池伸明、佐藤勝成、水谷聡志、畑山正寿、島津武仁、岡本聡
- Journal Title
  
  信学技報
  
  Volume: 123 Pages: 37-42
- Data Source
  KAKENHI-PROJECT-21H01791
[Journal Article] Microwave-assisted switching in granular media with continuous magnetic overlayers for interaction control2022
- Author(s)
  Kikuchi Nobuaki、Sato Katsunari、Shimatsu Takehito、Okamoto Satoshi
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 62 Issue: SB Pages: SB1015-SB1015
- DOI
  10.35848/1347-4065/ac9910
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02179, KAKENHI-PROJECT-21H01791
[Journal Article] Thermal activation on microwave-assisted magnetization switching in Co/Pt nanodot arrays2022
- Author(s)
  Mizutani Satoshi、Kikuchi Nobuaki、Hatayama Masatoshi、Shimatsu Takehito、Okamoto Satoshi
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 62 Issue: SB Pages: SB1012-SB1012
- DOI
  10.35848/1347-4065/ac9533
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02179
[Journal Article] Thermal activation in microwave-assisted magnetization switching and its effect on the switching behavior of granular media2022
- Author(s)
  Kikuchi Nobuaki、Sato Katsunari、Okamoto Satoshi、Kitakami Osamu、Shimatsu Takehito、Suto Hirofumi
- Journal Title
  
  Physical Review B
  
  Volume: 105 Issue: 5
- DOI
  10.1103/physrevb.105.054430
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02179
[Journal Article] Imaging of transient magnetization dynamics of Co/Pt multilayer dots with X-ray magnetic circular dichroism excited by microwaves2020
- Author(s)
  Kikuchi N.、Yomogita T.、Sato K.、Okamoto S.、Kitakami O.、Osawa H.、Suzuki M.、Toyoki K.、Kotani Y.、Nakamura T.
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 59 Issue: SE Pages: SEED03-SEED03
- DOI
  10.35848/1347-4065/ab6cb1
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17H06154, KAKENHI-PROJECT-17H03376, KAKENHI-PROJECT-17K05028
[Journal Article] Temperature dependent magnetization reversal process of a Ga-doped Nd-Fe-B sintered magnet based on first-order reversal curve analysis2019
- Author(s)
  Okamoto Satoshi、Miyazawa Kazunori、Yomogita Takahiro、Kikuchi Nobuaki、Kitakami Osamu、Toyoki Kentaro、Billington David、Kotani Yoshinori、Nakamura Tetsuya、Sasaki Taisuke、Ohkubo Tadakatsu、Hono Kazuhiro、Takada Yukio、Sato Takashi、Kaneko Yuji、Kato Akira
- Journal Title
  
  Acta Materialia
  
  Volume: 178 Pages: 90-98
- DOI
  10.1016/j.actamat.2019.08.004
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H06154, KAKENHI-PROJECT-17H03376
[Journal Article] Detection of elemental magnetization reversal events in a micro-patterned Nd-Fe-B hot-deformed magnet2019
- Author(s)
  Yomogita Takahiro、Kikuchi Nobuaki、Okamoto Satoshi、Kitakami Osamu、Sepehri-Amin Hossein、Ohkubo Tadakatsu、Hono Kazuhiro、Hioki Keiko、Hattori Atsushi
- Journal Title
  
  AIP Advances
  
  Volume: 9 Issue: 12
- DOI
  10.1063/1.5129830
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17H06154, KAKENHI-PROJECT-17H03376
[Journal Article] Microwave-magnetic-field-induced magnetization excitation and assisted switching of antiferromagnetically coupled magnetic bilayer with perpendicular magnetization2019
- Author(s)
  H. Suto, T. Kanao, T. Nagasawa, K. Mizushima, R. Sato, N. Kikuchi, and S. Okamoto
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 125 Issue: 15
- DOI
  10.1063/1.5089799
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H03227
[Journal Article] First-order reversal curve analysis of a Nd-Fe-B sintered magnet with soft X-ray magnetic circular dichroism microscopy2019
- Author(s)
  Miyazawa Kazunori、Okamoto Satoshi、Yomogita Takahiro、Kikuchi Nobuaki、Kitakami Osamu、Toyoki Kentaro、Billington David、Kotani Yoshinori、Nakamura Tetsuya、Sasaki Taisuke、Ohkubo Tadakatsu、Hono Kazuhiro
- Journal Title
  
  Acta Materialia
  
  Volume: 162 Pages: 1-9
- DOI
  10.1016/j.actamat.2018.09.053
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H06154, KAKENHI-PROJECT-17H03376
[Journal Article] Microwave-assisted switching in CoCrPt granular medium under continuous microwave fields2019
- Author(s)
  Kikuchi Nobuaki、Sato Katsunari、Kikuchi Shun、Okamoto Satoshi、Shimatsu Takehito、Kitakami Osamu、Osawa Hitoshi、Suzuki Motohiro
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 126 Issue: 8 Pages: 083908-083908
- DOI
  10.1063/1.5111576
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17H06154, KAKENHI-PROJECT-17H03227, KAKENHI-PROJECT-17H03376, KAKENHI-PROJECT-17K05028
[Journal Article] Confirmation of Hard Magnetic L10 FeNi Phase Precipitated in FeNiSiBPCu Alloy by Anomalous X-Ray Diffraction2018
- Author(s)
  Sharma Parmanand、Okamoto Satoshi、Tajiri Hiroo、Sato Kazuhisa、Zhang Yan、Kitakami Osamu、Makino Akihiro
- Journal Title
  
  IEEE Transactions on Magnetics
  
  Volume: 54 Issue: 11 Pages: 1-5
- DOI
  10.1109/tmag.2018.2842057
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H06154, KAKENHI-PROJECT-17H03376
[Journal Article] Layer-selective microwave-assisted magnetization switching in a dot of double antiferromagnetically coupled (AFC) layers2018
- Author(s)
  Lu Yuming、Okamoto Satoshi、Kikuchi Nobuaki、Kitakami Osamu、Shimatsu Takehito
- Journal Title
  
  Applied Physics Letters
  
  Volume: 112 Issue: 16 Pages: 162404-162404
- DOI
  10.1063/1.5027127
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H03227
[Journal Article] Novel torque magnetometry for uniaxial anisotropy constants of thin films and its application to FePt granular thin films2018
- Author(s)
  Takuya Ono, Nobuaki Kikuchi, Satoshi Okamoto, Osamu Kitakami, and Takehito Shimatsu
- Journal Title
  
  Applied Physics Express
  
  Volume: 11 Issue: 3 Pages: 033002-033002
- DOI
  10.7567/apex.11.033002
- NAID
  210000136131
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H06154, KAKENHI-PROJECT-17H03376
[Journal Article] Temperature and field direction dependences of first-order reversal curve (FORC) diagrams of hot-deformed Nd-Fe-B magnets2018
- Author(s)
  Yomogita Takahiro、Okamoto Satoshi、Kikuchi Nobuaki、Kitakami Osamu、Sepehri-Amin Hossein、Ohkubo Tadakatsu、Hono Kazuhiro、Akiya Takahiro、Hioki Keiko、Hattori Atsushi
- Journal Title
  
  Journal of Magnetism and Magnetic Materials
  
  Volume: 447 Pages: 110-115
- DOI
  10.1016/j.jmmm.2017.09.072
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H06154, KAKENHI-PROJECT-17H03376
[Journal Article] Frequency dependence of microwave-assisted switching in CoCrPt granular perpendicular media2018
- Author(s)
  Kikuchi Nobuaki、Shimada Kyohei、Shimatsu Takehito、Okamoto Satoshi、Kitakami Osamu
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 57 Issue: 9S2 Pages: 09TE02-09TE02
- DOI
  10.7567/jjap.57.09te02
- NAID
  210000149675
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05028, KAKENHI-PROJECT-17H03227, KAKENHI-PROJECT-17K19068
[Journal Article] Significant modification of perpendicular magnetic anisotropy of W/Fe(001) multilayer2017
- Author(s)
  Y. Matsumoto, Y. Miura, S. Okamoto, N. Kikuchi, O. Kitakami
- Journal Title
  
  Applied Physics Express
  
  Volume: 10 Issue: 6 Pages: 063005-063005
- DOI
  10.7567/apex.10.063005
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H03376
[Journal Article] First-order Reversal Curve (FORC) Analysis and Its Application for Permanent Magnet Materials2017
- Author(s)
  岡本聡, 蓬田貴裕, 宮澤和則, 菊池伸明, 北上修, 渡辺奈生巳, 吹田尚久
- Journal Title
  
  Materia Japan
  
  Volume: 56 Issue: 9 Pages: 533-540
- DOI
  10.2320/materia.56.533
- NAID
  130006038186
- ISSN
  1340-2625, 1884-5843
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H06154, KAKENHI-PROJECT-17H03376
[Journal Article] Magnetization Reversal of Nd-Fe-B Thin Film under a Nano-second Pulse Magnetic Field2017
- Author(s)
  門ノ沢和也, 菊池伸明, 後藤龍太, 岡本聡, 北上修
- Journal Title
  
  IEEJ Transactions on Fundamentals and Materials
  
  Volume: 137 Issue: 7 Pages: 374-379
- DOI
  10.1541/ieejfms.137.374
- NAID
  130006839843
- ISSN
  0385-4205, 1347-5533
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H03376
[Journal Article] Influence of intergrain interactions and thermal agitation on microwave-assisted magnetization switching behavior of granular magnetic film2017
- Author(s)
  S. Okamoto, N. Kikuchi, O. Kitakami, and T. Shimatsu
- Journal Title
  
  Applied Physics Express
  
  Volume: 10 Issue: 2 Pages: 023004-023004
- DOI
  10.7567/apex.10.023004
- NAID
  210000135757
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26289083
[Journal Article] Magnetic characteristics and nanostructures of FePt granular flms with GeO2 segregant2017
- Author(s)
  T. Ono, T. Moriya, M. Hatayama, K. Tsumura, N. Kikuchi, S. Okamoto, O. Kitakami, T. Shimatsu
- Journal Title
  
  Applied Physics Letters
  
  Volume: 110 Issue: 2
- DOI
  10.1063/1.4973473
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H03376
[Journal Article] Co/Pt多層膜およびCoPt合金膜のダンピング定数評価2016
- Author(s)
  草薙勇作，岡本聡，菊池伸明，北上修，加藤　剛志，岩田　聡
- Journal Title
  
  IEEJ Transactions on Fundamentals and Materials
  
  Volume: 印刷中
- NAID
  130005149186
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26289083
[Journal Article] Anomalous Hall Effect Measurement on Nanostructure with Magnetic Pulse Fields2016
- Author(s)
  Nobuaki Kikuchi, Satoshi Okamoto, and Osamu Kitakami
- Journal Title
  
  MATERIALS TRANSACTIONS
  
  Volume: 57 Issue: 6 Pages: 789-795
- DOI
  10.2320/matertrans.ME201507
- NAID
  130005153165
- ISSN
  1345-9678, 1347-5320
- Language
  English
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26289083
[Journal Article] Evaluation of Damping Constants for Co/Pt Multilayers and CoPt Alloy Films2016
- Author(s)
  草薙勇作, 岡本聡, 菊池伸明, 北上修, 加藤剛志, 岩田聡
- Journal Title
  
  IEEJ Transactions on Fundamentals and Materials
  
  Volume: 136 Issue: 5 Pages: 317-323
- DOI
  10.1541/ieejfms.136.317
- NAID
  130005149186
- ISSN
  0385-4205, 1347-5533
- Language
  Japanese
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26289083
[Journal Article] Microwave assisted magnetic recording technologies and related physics2015
- Author(s)
  S. Okamoto, N. Kikuchi, M. Furuta, O. Kitakami, and T. Shimatsu
- Journal Title
  
  Journal of Physics D: Applied Physics
  
  Volume: 48 Issue: 35 Pages: 353001-353001
- DOI
  10.1088/0022-3727/48/35/353001
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26289083
[Journal Article] Radio Frequency Field Dependence of Microwave Assisted Switching Behaviors of Co/Pt Nanodots2015
- Author(s)
  古田正樹，岡本聡，菊池伸明，北上修，島津武仁
- Journal Title
  
  IEEJ Transactions on Fundamentals and Materials
  
  Volume: 135 Issue: 4 Pages: 229-234
- DOI
  10.1541/ieejfms.135.229
- NAID
  130005062187
- ISSN
  0385-4205, 1347-5533
- Language
  Japanese
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26289083
[Journal Article] Theory and experiment of microwave-Assisted magnetization switching in perpendicular magnetic nanodots2014
- Author(s)
  S. Okamoto, M. Furuta, N. Kikuchi, O. Kitakami, and T. Shimatsu
- Journal Title
  
  IEEE Trans. Magn
  
  Volume: 50巻 Issue: 3 Pages: 83-88
- DOI
  10.1109/tmag.2013.2281400
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23360131, KAKENHI-PROJECT-24360261
[Journal Article] Size dependence of magnetization switching and its dispersion of Co/Pt nanodots2014
- Author(s)
  M. Furuta, S. Okamoto, N. Kikuchi, O. Kitakami, and T. Shimatsu
- Journal Title
  
  J. Appl. Phys
  
  Volume: 115巻 Issue: 13
- DOI
  10.1063/1.4870451
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23360131, KAKENHI-PROJECT-24360261, KAKENHI-PROJECT-24686038
[Journal Article] Magnetic anisotropy and order structure of L10-FePt(001) single-crystal films2014
- Author(s)
  A. Hotta, T. Ono, M. Hatayama, K. Tsumura, N. Kikuchi, S. Okamoto, O. Kitakami, T. Shimatsu
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 115 Issue: 17
- DOI
  10.1063/1.4862840
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24360261
[Journal Article] Granular nanostructures and magnetic characteristics of FePt-TiO2/FePt-C stacked granular films2014
- Author(s)
  T.Ono, T.Moriya, M.Hatayama, N.Kikuchi, S.Okamoto, O.Kitakami, T.Shimatsu
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 115 Issue: 17
- DOI
  10.1063/1.4861684
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24360261
[Journal Article] Quasi-ballistic magnetization switching in Co/Pt dots with perpendicular magnetization2014
- Author(s)
  N. Kikuchi, Y. Suyama, S. Okamoto, O. Kitakami, and T. Shimatsu
- Journal Title
  
  Applied Physics Letters 104, 112409 (2014)
  
  Volume: 104 Issue: 11
- DOI
  10.1063/1.4869150
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23360131, KAKENHI-PROJECT-24360261, KAKENHI-PROJECT-24686038, KAKENHI-PROJECT-26289083
[Journal Article] Quantized spin waves in single Co/Pt dots detected by anomalous Hall effect based ferromagnetic resonance2014
- Author(s)
  Nobuaki Kikuchi, Masaki Furuta, Satoshi Okamoto, Osamu Kitakami, Takehito Shimatsu
- Journal Title
  
  Applied Physics Letters
  
  Volume: 105 Issue: 24
- DOI
  10.1063/1.4904225
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24686038
[Journal Article] Microwave assistance effect on magnetization switching in Co-Cr-Pt granular film2014
- Author(s)
  S. Okamoto, N. Kikuchi, A. Hotta, M. Furuta, O. Kitakami, and T. Shimatsu
- Journal Title
  
  Appl. Phy. Lett
  
  Volume: 103巻 Issue: 20
- DOI
  10.1063/1.4830364
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23360131, KAKENHI-PROJECT-24360261
[Journal Article] Stoner-Wohlfarth Like Magnetization Switching in Very Small Co/Pt Nanodots under the Assistance of Radio Frequency Magnetic Field2013
- Author(s)
  M. Furuta, S. Okamoto, N. Kikuchi, O. Kitakami, and T. Shimatsu
- Journal Title
  
  Applied Physics Express
  
  Volume: 6
- NAID
  10031174331
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23360131
[Journal Article] マイクロ波アシスト磁化反転における解析的考察と実験検証2013
- Author(s)
  岡本聡, 菊池伸明, 古田正樹, 北上修, 島津武仁
- Journal Title
  
  電子情報通信学会技術研究報告
  
  Volume: MR2013
- Data Source
  KAKENHI-PROJECT-24360261
[Journal Article] Pulse Rise Time Dependence of Switching Field of Co/Pt Multilayer Dot2013
- Author(s)
  N. Kikuchi, Y. Suyama, S. Okamoto, O. Kitakami
- Journal Title
  
  ELECTRONICS AND COMMUNICATIONS
  
  Volume: 96 Issue: 12 Pages: 9-14
- DOI
  10.1002/ecj.11569
- NAID
  10031120040
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24360261, KAKENHI-PROJECT-24686038
[Journal Article] High permeability and electromagnetic noise suppression characteristics of Fe-B-P sub-micron particle chains and their composites with NiZn-ferrite nanoparticles2013
- Author(s)
  C. Yao, Y. Shimada, S. Muroga, G. W. Qin, S. Okamoto, O. Kitakami, Y. Endo, M. Yamaguchi
- Journal Title
  
  JOURNAL OF ALLOYS AND COMPOUNDS
  
  Volume: 554 Pages: 414-418
- DOI
  10.1016/j.jallcom.2012.11.157
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24360261
[Journal Article] Co/Ptナノドットアレイを用いたマイクロ波アシスト磁化反転とその反転挙動2013
- Author(s)
  古田正樹, 岡本聡, 菊池伸明, 北上修, 島津武仁
- Journal Title
  
  電子情報通信学会技術研究報告
  
  Volume: MR2013
- Data Source
  KAKENHI-PROJECT-24360261
[Journal Article] Co/Ptナノドットアレイを用いたマイクロ波アシスト磁化反転実験とその反転挙動解析2013
- Author(s)
  古田正樹, 岡本聡, 菊池伸明, 北上修, 島津武仁
- Journal Title
  
  電気学会　マグネティクス研究会資料
  
  Volume: MAG-13
- NAID
  10031193570
- Data Source
  KAKENHI-PROJECT-24360261
[Journal Article] Stoner-Wohlfarth Like Magnetization Switching in Very Small Co/Pt Nanodots under the Assistance of Radio Frequency Magnetic Field2013
- Author(s)
  M. Furuta, S. Okamoto, N. Kikuchi, O. Kitakami, and T. Shimatsu
- Journal Title
  
  Appl. Phys. Express
  
  Volume: 6巻 Issue: 5 Pages: 053006-053006
- DOI
  10.7567/apex.6.053006
- NAID
  10031174331
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23360131, KAKENHI-PROJECT-24360261
[Journal Article] Co/Ptナノドットにおけるマイクロ波アシスト効果のサイズ依存性2013
- Author(s)
  古田正樹, 岡本聡, 菊池伸明, 北上修, 島津武仁
- Journal Title
  
  電気学会　マグネティクス研究会資料
  
  Volume: MAG-13
- Data Source
  KAKENHI-PROJECT-24360261
[Journal Article] 垂直磁化磁性体におけるマイクロ波アシスト磁化反転2013
- Author(s)
  岡本聡
- Journal Title
  
  電子情報通信学会技術研究報告
  
  Volume: CPM2013
- Data Source
  KAKENHI-PROJECT-24360261
[Journal Article] Significant Reduction of Switching Field and its Distribution in Co/Pt Nanodots with Assistance of Radio Frequency Field2012
- Author(s)
  S. Okamoto, 他
- Journal Title
  
  Applied Physics Express
  
  Volume: 5 Issue: 9 Pages: 093005-093005
- DOI
  10.1143/apex.5.093005
- NAID
  40019425257
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24360261
[Journal Article] Significant Reduction of Switching Field and its Distribution in Co/Pt Nanodots with Assistance of Radio Frequency Field2012
- Author(s)
  S. Okamoto, N. Kikuchi, M. Furuta, O. Kitakami, and T. Shimatsu
- Journal Title
  
  Appl. Phys. Express
  
  Volume: 5巻
- NAID
  10031005514
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23360131
[Journal Article] Frequency and Time Dependent Microwave Assisted Switching Behaviors of Co/Pt Nanodots2012
- Author(s)
  S. Okamoto, N. Kikuchi, J. Li, O. Kitakami, T. Shimatsu, and H. Aoi
- Journal Title
  
  Appl. Phys. Express
  
  Volume: 5巻 Issue: 4 Pages: 043001-043001
- DOI
  10.1143/apex.5.043001
- NAID
  10030592890
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23360131, KAKENHI-PROJECT-24360261
[Journal Article] Significant Reduction of Switching Field and its Distribution in Co/Pt Nanodots with Assistance of Radio Frequency Field2012
- Author(s)
  Satoshi Okamoto
- Journal Title
  
  Applied Physics Express
  
  Volume: 5
- NAID
  40019425257
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23360131
[Journal Article] Frequency and Time Dependent Microwave Assisted Switching Behaviors of Co/Pt Nanodots2012
- Author(s)
  Satoshi Okamoto
- Journal Title
  
  Applied Physics Express
  
  Volume: 5
- NAID
  10030592890
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23360131
[Journal Article] Switching Beh aviors and its Dynamics of a Co/Pt Nanodot Under the Assistance of rf Fields2012
- Author(s)
  S. Okamoto, N. Kikuchi, M. Furuta, O. Kitakami, and T. Shimatsu
- Journal Title
  
  Phy. Rev. Lett
  
  Volume: 109巻 Issue: 23
- DOI
  10.1103/physrevlett.109.237209
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23360131, KAKENHI-PROJECT-24360261
[Journal Article] Effect of dipole interaction on microwave assisted magnetization switching2010
- Author(s)
  Okamoto, 他
- Journal Title
  
  Journal of Applied Physics 107
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20656051
[Journal Article] Large negative magnetic anisotropy in epitaxially grown Fe/Co multilayer films2009
- Author(s)
  Okamoto, 他
- Journal Title
  
  Journal of the Magnetics Society of Japan 33
  
  Pages: 451-454
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20656051
[Journal Article] Magnetic behavior of single nano-structured magnet2009
- Author(s)
  O. Kitakami、S. Okamoto、他4名
- Journal Title
  
  J. Phys (印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] Generation of nanosecond magnetic pulse field for switching experiments on a single Co/Pt nanodot2009
- Author(s)
  N. Kikuchi, S. Okamoto, and O. Kitakami
- Journal Title
  
  J. Appl. Phys 105
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] Frequency modulation effect on microwave assisted magnetization switching2008
- Author(s)
  Okamoto, 他
- Journal Title
  
  Applied Physics Letters 93
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] Magnetization switching experiments on sub-micron Co/Pt multilayer dot using a pulse field generator with nanoseconds duration2008
- Author(s)
  A. Ito, N. Kikuchi, S. Okamoto, O. Kitakami
- Journal Title
  
  IEEE Trans. Magne 44
  
  Pages: 3446-3449
- NAID
  120002338464
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] Frequency modulation effect on microwave assisted magnetization switching2008
- Author(s)
  Okamoto, 他
- Journal Title
  
  Applied Physics Letters 93
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20656051
[Journal Article] Magnetization switching behavior with microwave assistance2008
- Author(s)
  Okamoto, 他
- Journal Title
  
  Applied Physics Letters 93
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] Magnetization behavior of nanomagnets for patterned nedia application2008
- Author(s)
  S. Okamoto, N. Kikuchi, T. Kato, O. Kitakami, K. Mitsuzuka, T. Shimatsu, H. Muraoka, H. Aoi, J. C. Lodder
- Journal Title
  
  J. Magn. Magn. Mater 320
  
  Pages: 2874-2879
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] Energy barrier and reversal mechanism in Co/Pt multi-layer nanodot2008
- Author(s)
  S. Okamoto, 他5名
- Journal Title
  
  J.Appl.Phys 103, 07C501/1-3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] Energy barrier and reversal mechanism in Co/Pt multilayer nanodot2008
- Author(s)
  S. Okamoto, 他
- Journal Title
  
  Journal of Applied Physics 103
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] Thermal stability and switching field of hard/soft-stacked perpendicular media2008
- Author(s)
  T. Shimatsu, N. Asakura, Y. Inaba, K. Kudo, A. Sato, H. Muraoka, H. Aoi, S. Okamoto, O. Kitakami
- Journal Title
  
  J. Magn. Magn. Mater. 320
  
  Pages: 3088-3091
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] Magnetization behavior of nanomagnets for patterned media application2008
- Author(s)
  S. Okamoto, 他8名
- Journal Title
  
  J.Magn.Magn.Mater 320
  
  Pages: 2874-2878
- NAID
  110006533065
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] Magnetization switching behavior with microwave assistance2008
- Author(s)
  Okamoto, 他
- Journal Title
  
  Applied Physics Letters 93
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20656051
[Journal Article] Magnetization switching experiments on sub-micron Co/Pt multilayer dot using a pulse field generator with nanoseconds duration2008
- Author(s)
  A. Ito、N. Kikuchi、S. Okamoto、O.Kitakami
- Journal Title
  
  IEEE Trans. Magn 44
  
  Pages: 3446-3448
- NAID
  120002338464
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] Magnetization behavior of nanomagnets for patterned media nnlication2008
- Author(s)
  Okamoto, 他
- Journal Title
  
  Journal of Magnetism and Magnetic Materials 320
  
  Pages: 2874-2879
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] Magnetization reversal process and bistability of Co/Pt multilayer dot2008
- Author(s)
  N. Kikuchi, T. Kato, S. Okamoto, O. Kitakami, N. Tezuka, and S. Sugimoto
- Journal Title
  
  J. Appl. Phys. 103
- NAID
  120002338500
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] Magnetization switching behavior with microwave assistance2008
- Author(s)
  S. Okamoto、N. Kikuchi、O. Kitakami
- Journal Title
  
  Appl.Phys.Lett 93, 102506/1-3
- NAID
  120002338444
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] Energy barrier and reversal mechanism in Co/Pt multilayer nanodot2008
- Author(s)
  S. Okamoto, et. al.
- Journal Title
  
  Journal of Applied Physics 103
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] ナノ磁性体と高密度スピントロニクスデバイス2008
- Author(s)
  北上修、岡本聡、菊池伸明
- Journal Title
  
  未来材料(解説) 8
  
  Pages: 30-36
- NAID
  40015906682
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] Magnetization switching behavior with microwave assistance2008
- Author(s)
  Okamoto, 他
- Journal Title
  
  Applied Physics Letters 93
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] 単一ナノ磁性体の磁化反転およびそのダイナミクス2008
- Author(s)
  岡本聡, 他4名
- Journal Title
  
  電気学会マグネティクス研究会資料 MAG07-33
  
  Pages: 1-5
- NAID
  10018897999
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] Magnetization behavior of nanomagnets for patterned media application2008
- Author(s)
  Okamoto, 他
- Journal Title
  
  Journal of Magnetism and Magnetic Materials 320
  
  Pages: 2874-2879
- NAID
  110006533065
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] Frequency modulation effect on microwave assisted magnetizat ion switching2008
- Author(s)
  Okamoto, 他
- Journal Title
  
  Applied Physics Letters 93
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] Frequency modulation effect on microwave assisted magnetization switching2008
- Author(s)
  S. Okamoto, N. Kikuchi, and O. Kitakami
- Journal Title
  
  Appl. Phys. Lett. 93
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] Frequency modulation effect on microwave assisted magnetization switching2008
- Author(s)
  S. Okamoto、N. Kikuchi、O. Kitakami
- Journal Title
  
  Appl. Phys. Lett 93, 142501
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] The critical size between single domain and multidomain in L1_0-FePt particles2008
- Author(s)
  N. Kikuchi, S. Okamoto, and O. Kitakami
- Journal Title
  
  J. Appl. Phys 103
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] Magnetization behavior of nanomagnets for patterned media application2008
- Author(s)
  Okamoto, 他
- Journal Title
  
  Journal of Magnetism and Magnetic Materials 320
  
  Pages: 2874-2879
- NAID
  110006533065
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20656051
[Journal Article] Energy barrier and reversal mechanism in Co/Pt multilayer nanodot2008
- Author(s)
  S. Okamoto, T. Kato, N. Kikuchi, O. Kitakami, N. Tezuka, and S. Sugimoto
- Journal Title
  
  J. Appl. Phys 103
- NAID
  120002338498
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] The critical size between single domain and multidomain in L10-FePt particles2008
- Author(s)
  N. Kikuchi、S. Okamoto、O. Kitakami
- Journal Title
  
  J.Appl.Phys 103, 07D511/1-3
- NAID
  120002338501
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] Magnetization switching behavior with microwave assistance2008
- Author(s)
  S. Okamoto, N. Kikuchi, and O. Kitakami
- Journal Title
  
  Appl. Phys. Lett. 93
- NAID
  120002338444
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] パターン媒体用磁性材料-パターン媒体による5Tbpsi実現可能性について、電子情報技術産業協会(JEITA)2007
- Author(s)
  北上修、岡本聡、菊池伸明
- Journal Title
  
  ストレージ技術調査研究報告書 21-32
  
  Pages: 21-32
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] Epitaxially grown L10-FePt/(C, SiO2, and Al2O3) granular films2007
- Author(s)
  S. Okamoto, O. Kitakami
- Journal Title
  
  J. Magn. Magn. Mater. 310
  
  Pages: 2367-2368
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] L1_0-FePt/(C,SiO_2, and Al2O_3) granular films granular films2007
- Author(s)
  S. Okamoto、O. Kitakami、Epitaxially grown
- Journal Title
  
  J. Magn. Magn. Mater 310
  
  Pages: 2367-2369
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19360136
[Journal Article] Epitaxially grown L1_0-FePt/(C, SiO_2, and Al_2O_3) granular films2007
- Author(s)
  S.Okamoto
- Journal Title
  
  Journal of Magnetism and Magnetic Materials 310
  
  Pages: 2367-2368
- Data Source
  KAKENHI-PROJECT-18686027
[Journal Article] Additive effect of ALN and MgO on FePt nanoparticle assembly2006
- Author(s)
  S. Okamoto, O. Kitakami, and Y. Shimada
- Journal Title
  
  Materials Trans 47
  
  Pages: 43-46
- NAID
  10017151116
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18686027
[Patent] 磁性薄膜とその作製方法および同薄膜を用いたデバイス2008
- Inventor(s)
  島津武仁, 佐藤英夫, 北上修, 岡本聡, 青井基, 片岡弘康
- Industrial Property Rights Holder
  東北大学, 富士電機
- Industrial Property Number
  2008-310965
- Filing Date
  2008-12-05
- Data Source
  KAKENHI-PROJECT-18686027
[Patent] 磁性薄膜とその作製方法および同薄膜を用いたデバイス2008
- Inventor(s)
  島津武仁, 佐藤英夫, 北上修, 岡本聡, 青井基, 片岡弘康
- Industrial Property Rights Holder
  東北大学, 富士電機
- Industrial Property Number
  2008-193156
- Filing Date
  2008-07-28
- Data Source
  KAKENHI-PROJECT-18686027
[Patent] 磁性薄膜とその作製方法および同薄膜を用いたデバイス2008
- Inventor(s)
  島津武仁、北上修、岡本聡、青井基
- Industrial Property Rights Holder
  東北大学、富士電機
- Industrial Property Number
  2008-193156
- Filing Date
  2008-07-28
- Data Source
  KAKENHI-PROJECT-19360136
[Patent] 磁性薄膜とその作製方法および同薄膜を用いたデバイス2008
- Inventor(s)
  島津武仁、北上修、岡本聡、青井基
- Industrial Property Rights Holder
  東北大学、富士電機
- Industrial Property Number
  2008-310965
- Filing Date
  2008-12-05
- Data Source
  KAKENHI-PROJECT-19360136
[Patent] 磁気記録方法2008
- Inventor(s)
  岡本聡, 北上修, 菊池伸明, 島津武仁, 青井基
- Industrial Property Rights Holder
  東北大学
- Industrial Property Number
  2008-159822
- Filing Date
  2008-06-19
- Data Source
  KAKENHI-PROJECT-18686027
[Patent] 磁気記録方法2007
- Inventor(s)
  岡本聡, 北上修, 菊池伸明, 島津武仁
- Industrial Property Rights Holder
  東北大学
- Industrial Property Number
  2007-247358
- Filing Date
  2007-09-25
- Data Source
  KAKENHI-PROJECT-18686027
[Patent] 磁気記録方法2007
- Inventor(s)
  岡本, 他
- Industrial Property Rights Holder
  東北大学
- Industrial Property Number
  2007-247358
- Filing Date
  2007-09-25
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] マイクロ波アシスト磁化反転時のエネルギー障壁2023
- Author(s)
  水谷聡志, 菊池伸明, 畑山正寿, 島津武仁, 岡本聡
- Organizer
  第47回日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-21H01791
[Presentation] Effect of film thickness on microwave assisted switching behavior2023
- Author(s)
  N. Kikuchi, K. Sato, M. Hatayama, T. Shimatsu, S. Okamoto
- Organizer
  INTERMAG 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01791
[Presentation] マイクロ波アシスト磁化反転と熱揺らぎ2023
- Author(s)
  菊池伸明、佐藤勝成、水谷聡志、畑山正寿、島津武仁、岡本聡
- Organizer
  電子情報通信学会　情報ストレージ・磁気記録研究会
- Data Source
  KAKENHI-PROJECT-21H01791
[Presentation] 次世代パワエレに向けた高磁束密度・低損失磁性材料およびデバイス創成への挑戦2022
- Author(s)
  岡本聡
- Organizer
  INNOPELシンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-20H02179
[Presentation] 革新的パワーエレクトロニクスに向けた軟磁性材料およびデバイス開発2022
- Author(s)
  岡本聡
- Organizer
  電気A部門大会
- Invited
- Data Source
  KAKENHI-PROJECT-20H02179
[Presentation] MICROWAVE ASSISTED SWITCHING IN GRANULAR MEDIA WITH CONTINUOUS CAPPING LAYERS FOR INTERACTION CONTROL2022
- Author(s)
  N. Kikuchi, K. Sato, T. SHimatsu, O. Kitakami, S. Okamoto
- Organizer
  MORIS2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01791
[Presentation] Approaches of ultra-low iron loss in magnetic materials and devices for power electronics2022
- Author(s)
  Satoshi Okamoto
- Organizer
  ICFPM 2022
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02179
[Presentation] Ultra-low loss magnetic materials for innovative power electronics2022
- Author(s)
  Satoshi Okamoto
- Organizer
  IPEC2022
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02179
[Presentation] 時間変調メタマテリアルに向けた磁性細線の透磁率制御2022
- Author(s)
  菊池伸明、冨田知志、岡本聡
- Organizer
  第69回応用物理学会春季講演会
- Data Source
  KAKENHI-PROJECT-21H01791
[Presentation] ナノスケールハード磁性体の非線形磁化ダイナミクスを利用した次世代磁気記録技術2022
- Author(s)
  岡本聡
- Organizer
  電気A部門大会
- Invited
- Data Source
  KAKENHI-PROJECT-20H02179
[Presentation] 磁性膜厚のマイクロ波アシスト磁化反転挙動への影響2022
- Author(s)
  菊池伸明，佐藤勝成，畑山正寿，島津武仁，岡本聡
- Organizer
  第46回日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-21H01791
[Presentation] 次世代パワーエレクトロニクスに向けた軟磁性材料および磁気デバイス開発2022
- Author(s)
  岡本聡
- Organizer
  日本金属学会
- Invited
- Data Source
  KAKENHI-PROJECT-20H02179
[Presentation] 時間・空間的マルチスケール磁気機能解析とデバイス応用2020
- Author(s)
  岡本聡
- Organizer
  展開共同研究Ａ研究会
- Invited
- Data Source
  KAKENHI-PROJECT-20H02179
[Presentation] CoCrPtグラニュラ記録媒体のマイクロ波アシスト磁化反転実験2019
- Author(s)
  佐藤勝成, 菊池伸明, 岡本聡, 北上修, 島津武仁
- Organizer
  磁気記録・情報ストレージ研究会
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] Temperature dependent magnetization reversal process of a Ga-doped Nd-Fe-B sintered magnet based on first-order reversal curve analysis2019
- Author(s)
  Satoshi Okamoto, Kazunori Miyazawa, Takahiro Yomogita, Nobuaki Kikuchi, Osamu Kitakami, Kentaro Toyoki, David Billington, Yoshinori Kotani, Tetsuya Nakamura, Taisuke Sasaki, Tadakatsu Ohkubo, Kazuhiro Hono, Yukio Takada, Takashi Sato, Yuji Kaneko, Akira Kato
- Organizer
  64th Annual Conference on Magnetism and Magnetic Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] 微細加工した熱間加工Nd-Fe-B磁石の磁化反転素過程計測2019
- Author(s)
  蓬田貴裕, 菊池伸明, 岡本聡, 北上修, H. Sepehri-Amin, 大久保忠勝, 宝野和博, 日置敬子, 服部篤
- Organizer
  第43回日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] Microwave assisted switching on CoPtCr-based granular media2019
- Author(s)
  N. Kikuchi, K. Sato, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  Magnetics and Optics Research International Symposium
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] Detection of elemental magnetization reversal events in a micropatterned hot-deformed Nd-Fe-B magnet2019
- Author(s)
  T. Yomogita, N. Kikuchi, S. Okamoto, O.Kitakami, H. Sepehri-Amin, T. Ohkubo, K. Hono, K. Hioki, A. Hattori
- Organizer
  64th Annual Conference on Magnetism and Magnetic Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] マイクロ波アシスト磁気記録における磁化反転機構2019
- Author(s)
  岡本聡, 菊池伸明, 北上修, 島津武仁
- Organizer
  電子情報通信学会研究会
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] W下地を用いたSm(Fe,Ti)12エピタキシャル微粒薄膜の作製2019
- Author(s)
  近藤司, 岡本聡, 菊池伸明, 芳賀僚太, 北上修
- Organizer
  電気学会マグネティクス研究会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] Transient magnetization dynamics of a Co/Pt multilayer dot probed by XMCD2019
- Author(s)
  N. Kikuchi, T. Yomogita, K. Sato, S. Okamoto, O. Kitakami, H. Osawa, M. Suzuki, K. Toyoki, Y. Kotani and T. Nakamura
- Organizer
  The 19th International Conference on Solid Films and Surfaces
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] 軟 X 線 MCD 顕微分光による熱間加工磁石の磁化過程評価2019
- Author(s)
  竹内誠, 蓬田貴裕, 菊池伸明, 岡本聡, 北上修, 豊木研太郎, 小林慎太郎, 小谷佳範, 中村哲也, 服部篤, 日置敬子
- Organizer
  第43回日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] Transient magnetization dynamics of a Co/Pt multilayer dot probed by XMCD2019
- Author(s)
  N. Kikuchi, S. Okamoto, O. Kitakami, H. Osawa, M. Suzuki
- Organizer
  The 19th International Conference on Solid Films and Surfaces
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] CoCrPtグラニュラー薄膜における磁性粒子間交換結合のマイクロ波アシスト磁化反転への影響2019
- Author(s)
  佐藤勝成, 菊池伸明, 岡本聡, 北上修, 島津武仁
- Organizer
  電気学会マグネティクス研究会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] 4.SPATIALLY-, TEMPORALLY-, AND ELEMENTALLY-RESOLVED IMAGING OF MAGNETIZATION DYNAMICS WITH X-RAY MAGNETIC CIRCULAR DICHROISM2019
- Author(s)
  N. Kikuchi, T. Yomogita, K. Sato, S. Okamoto, O. Kitakami, H. Osawa, M. Suzuki, Y. Kotani, K. Toyoki, T. Nakamura
- Organizer
  Magnetics and Optics Research International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] Nd-Fe-B 焼結磁石の FORC 解析2019
- Author(s)
  宮澤和則, 岡本聡, 蓬田貴裕, 菊池伸明, 北上修
- Organizer
  電気学会A部門大会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] マイクロ波アシスト磁化反転と磁気記録への応用2019
- Author(s)
  岡本聡, 菊池伸明, 北上修, 島津武仁
- Organizer
  第12回光・熱・磁気の相互作用を利用した新規スピンデバイス・ストレージ技術調査専門委員会
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] Sm(Fe,Ti)12エピタキシャル微粒子薄膜の作製2019
- Author(s)
  近藤司, 岡本聡, 菊池伸明, 北上修
- Organizer
  第43回日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] CoCrPtグラニュラ薄膜における粒子間交換結合のマイクロ波アシスト磁化反転への影響2019
- Author(s)
  佐藤勝成, 菊池伸明, 岡本聡, 北上修, 島津武仁
- Organizer
  第43回日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] 軟X線MCD顕微分光による熱間加工磁石の磁化過程観察2019
- Author(s)
  竹内誠, 蓬田貴裕, 菊池伸明, 岡本聡, 北上修, 豊木研太郎, 小林慎太郎, 小谷佳範, 中村哲也, 服部篤, 日置敬子
- Organizer
  電気学会マグネティクス研究会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] 熱間加工Nd-Fe-B磁石の微小領域の高感度磁化測定2018
- Author(s)
  蓬田貴裕, 岡本聡, 菊池伸明, 北上修, Hossein Sepehri Amin, 大久保忠勝, 宝野和博, 秋屋貴博, 日置　敬子, 服部篤
- Organizer
  日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] Elementally resolved ferromagnetic resonance by X-ray magnetic circular dichroism on Co/Pt multilayer dots2018
- Author(s)
  N. Kikuchi, Y. Yomogita, D. Kanahara, S. Okamoto, O. Kitakami, T. Shimatsu, H. Osawa, Y. Kotani, K. Toyoki, M. Suzuki, T. Nakamura
- Organizer
  Magnetics and Optics Research International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02244
[Presentation] Microwave assisted switching behavior of CoCrPt based granular media2018
- Author(s)
  N. Kikuchi, K. Shimada, S. Kikuchi, K. Sato, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  The 29th magnetic recording conference (TMRC2018)
- Invited
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] 熱間加工Nd-Fe-B磁石の微小領域の高感度磁化測定2018
- Author(s)
  蓬田貴裕, 岡本聡, 菊池伸明, 北上修, Hossein Sepehri Amin, 大久保忠勝, 宝野和博, 秋屋貴博, 日置　敬子, 服部篤
- Organizer
  日本金属学会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] 連続波を用いたCoCrPtグラニュラ記録媒体のマイクロ波アシスト磁化反転実験2018
- Author(s)
  佐藤勝成, 菊池伸明, 岡本聡, 北上修, 島津武仁
- Organizer
  日本磁気学会
- Data Source
  KAKENHI-PROJECT-17K19068
[Presentation] CoCrPtグラニュラ磁気記録媒体におけるマイクロ波アシスト効果の時間依存性2018
- Author(s)
  菊地瞬, 島津武仁, 菊池伸明, 岡本聡, 北上修
- Organizer
  日本磁気学会
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] 連続波を用いたCoCrPtグラニュラ記録媒体のマイクロ波アシスト磁化反転実験2018
- Author(s)
  佐藤勝成, 菊池伸明, 岡本聡, 北上修, 島津武仁
- Organizer
  日本磁気学会
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] Microwave assisted switching behavior of CoCrPt based granular media2018
- Author(s)
  N. Kikuchi, K. Shimada, S. Kikuchi, K. Sato, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  The 29th magnetic recording conference (TMRC2018)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K19068
[Presentation] Microwave-assisted magnetization switching of antiferromagnetically coupled magnetic bilayer with perpendicular magnetization2018
- Author(s)
  H. Suto, T. Kanao, T. Nagasawa, K. Mizushima, R. Sato, N. Kikuchi, and S. Okamoto
- Organizer
  The 29th magnetic recording conference (TMRC2018)
- Invited
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] Microwave-assisted switching behavior of CoCrPt based granular media2018
- Author(s)
  N. Kikuchi, K. Shimada, S. Kikuchi, K. Sato, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  The 29th The Magnetic Recording Conference (TMRC 2018)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] Electrostatic force measurement on magnetic thin film under soft X-ray irradiation2018
- Author(s)
  Naoki Samura, Hikaru Nomura, Ryoichi Nakatani, Nobuaki Kikuchi, Satoshi Okamoto, Yoshinori Kotani, Kentaro Toyoki, Tetsuya Nakamura
- Organizer
  Magnetics and Optics Research International Symposium (MORIS 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02244
[Presentation] Elementally-resolved ferromagnetic resonance by X-ray magnetic circular dichroism on Co/Pt multilayer dots2018
- Author(s)
  N. Kikuchi, Y. Yomogita, D. Kanahara, S. Okamoto, O. Kitakami, T. Shimatsu, Y. Kotani, K. Toyoki, H. Osawa5, M. Suzuki, T. Nakamura
- Organizer
  Magnetics and Optics Research International Symposium (MORIS2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] 積層磁性膜におけるマイクロ波アシスト磁化反転2018
- Author(s)
  岡本聡，Lu Yuming, 菊池伸明，北上修，島津武仁
- Organizer
  電気学会全国大会
- Invited
- Data Source
  KAKENHI-PROJECT-17K19068
[Presentation] ナノXMCD顕微鏡によるNd-Fe-B商用焼結磁石のFORC解析2018
- Author(s)
  宮澤和則, 蓬田貴裕, 岡本聡, 菊池伸明, 北上修, 豊木研太郎, David Billington, 小谷佳範, 中村哲也, 佐々木泰祐, 大久保忠勝, 宝野和博
- Organizer
  日本金属学会春季講演会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] 熱間加工Nd-Fe-B磁石の微小領域の高感度磁化測定2018
- Author(s)
  蓬田貴裕,　岡本聡,　菊池伸明,　北上修, H. Sepehri-Amin, 大久保忠勝, 宝野和博, 秋屋貴博,　日置敬子, 服部篤
- Organizer
  日本金属学会春季講演会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] ナノXMCD顕微鏡によるNd-Fe-B商用焼結磁石のFORC解析2018
- Author(s)
  宮澤和則, 蓬田貴裕, 岡本聡, 菊池伸明, 北上修, 豊木研太郎, David Billington, 小谷佳範, 中村哲也, 佐々木泰祐, 大久保忠勝, 宝野和博
- Organizer
  日本金属学会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] Confirmation of Hard Magnetic L10 FeNi phase precipitated in FeNiSiBPCu alloy by Anomalous X-ray Diffraction2018
- Author(s)
  P. Sharma, S. Okamoto, H. Tajiri, K. Sato, Y. Zhang, O. Kitakami, A. Makino
- Organizer
  INTERMAG 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] CoCrPt-TiO2グラニュラー薄膜におけるマイクロ波アシスト磁化反転挙動2018
- Author(s)
  菊池伸明，島田恭平，島津武仁，岡本聡，北上修
- Organizer
  マグネティックス研究会
- Data Source
  KAKENHI-PROJECT-17K19068
[Presentation] 熱間加工Nd-Fe-B磁石の表面加工ダメージの影響 -微小磁石の磁化過程解析に向けて-2017
- Author(s)
  蓬田貴裕, 岡本聡, 菊池伸明, 北上修, H. Sepehri-Amin, Lihua Liu, 大久保忠勝, 宝野和博, 秋屋貴博, 日置敬子, 服部篤
- Organizer
  日本金属学会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] Co/Pt 多層膜に対する軟X線照射下での走査型プローブ顕微鏡測定2017
- Author(s)
  佐村直樹, 若狭凌生 , 中谷亮一 , 菊池伸明, 岡本聡 ,小谷佳範, 豊木研太郎, 中村哲也
- Organizer
  日本金属学会　2017年秋期(第161回)講演大会
- Data Source
  KAKENHI-PROJECT-15H02244
[Presentation] CoCrPtグラニュラ垂直磁気記録媒体におけるマイクロ波アシスト効果2017
- Author(s)
  島田恭平, 島津武仁, 菊池伸明, 岡本聡, 北上修
- Organizer
  第41回日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-17K19068
[Presentation] 積層磁性ドットによるマイクロ波アシスト磁化反転2017
- Author(s)
  金原大樹, 岡本聡, 菊池伸明, 北上修, 島津武仁
- Organizer
  第41回日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-17K19068
[Presentation] Magnetization switching of a dot composed of double AFC layers under the assistance of rf fields2017
- Author(s)
  Y. Lu, S. Okamoto, N. Kikuchi, O. Kitakami, and T. Shimatsu
- Organizer
  The 28th Magnetic Recording Conference(TMRC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] Analyses on Magnetization Reversal Process of Nd-Fe-B Hot-Deformed Magnets2017
- Author(s)
  S. Okamoto, T. Yomogita, L. Zhang, N. Kikuchi, O. Kitakami, H. Sepehri-Amin, T. Ohkubo, K. Hono, T. Akiya, K. Hioki, A. Hattori
- Organizer
  TMS 2017 Annual Meeting & Exhibition
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] Layer-selective switching in a dot of double AFC layers under the assistance of rf fields2017
- Author(s)
  Y. Lu, S. Okamoto, N. Kikuchi, O. Kitakami, T. Shimatsu
- Organizer
  62nd Annual Conference on Magnetism and Magnetic Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] Time- and spatially resolved hard X-ray MCD with pulsed rf field excitation on a Co/Pt multilayer dot2017
- Author(s)
  N. Kikuchi, T. Yomogita, D. Kanahara, S. Okamoto, O. Kitakami, T. Shimatsu, H. Osawa, M. Suzuki
- Organizer
  ＭＭＭ2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] 積層磁性ドットによるマイクロ波アシスト磁化反転2017
- Author(s)
  金原大樹, 岡本聡, 菊池伸明, 北上修, 島津武仁
- Organizer
  第41回日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] Layer-selective switching in a dot of double AFC layers under the assistance of rf fields2017
- Author(s)
  S. Okamoto, Y. Lu, N. Kikuchi, O. Kitakami, T. Shimatsu
- Organizer
  Junjiro Kanamori Memorial International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] Ga添加焼結Nd-Fe-B磁石のFORC解析2017
- Author(s)
  宮澤和則, 蓬田貴裕, 岡本聡, 菊池伸明, 北上修, 佐々木泰祐, 大久保忠勝, 宝野和博, 高田幸生, 佐藤岳, 金子裕治, 加藤晃
- Organizer
  日本磁気学会
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] First-order reversal curve analysis of hot-deformed Nd-Fe-B magnets2017
- Author(s)
  K. Miyazawa,T. Yomogita, S. Okamoto, N. Kikuchi, O. Kitakami,T. Akiya, K. Hioki, A. Hattori
- Organizer
  International Workshop on Nanostructured Magnetic Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] Coercivity mechanism of Nd-Fe-B magnets based on magnetic viscosity and FORC measurements2017
- Author(s)
  S. Okamoto, T. Yomogita, L. Zhang, N. Kikuchi, O. Kitakami, H. Sepehri-Amin, T. Ohkubo, K. Hono, T. Akiya, K. Hioki, A. Hattori
- Organizer
  3N-Lab Workshop on Permanent Magnets
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03376
[Presentation] Time- and spatially resolved hard X-ray MCD with pulsed rf field excitation on a Co/Pt multilayer dot2017
- Author(s)
  N. Kikuchi, T. Yomogita, D. Kanahara, S. Okamoto, O. Kitakami, T. Shimatsu, H. Osawa, M. Suzuki
- Organizer
  62nd Annual Conference on Magnetism and Magnetic Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K19068
[Presentation] CoCrPtグラニュラ垂直磁気記録媒体におけるマイクロ波アシスト効果2017
- Author(s)
  島田恭平, 島津武仁, 菊池伸明, 岡本聡, 北上修
- Organizer
  第41回日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-17H03227
[Presentation] 軟 X 線ナノビーム XMCD/走査プローブ顕微鏡複合装置の開発2017
- Author(s)
  野村光 , 若狭凌生 , 中谷亮一 , 菊池伸明, 岡本聡 ,小谷佳範, 豊木研太郎, 中村哲也
- Organizer
  第30回日本放射光学会年会　放射光科学合同シンポジウム
- Data Source
  KAKENHI-PROJECT-15H02244
[Presentation] Engineering of positive and negative perpendicular magnetic anisotropy in W/Fe/W trilayer2016
- Author(s)
  Y. Matsumoto, S. Okamoto, N. Kikuchi, O. Kitakami and Y. Miura
- Organizer
  MMM2016
- Place of Presentation
  New Orleans, USA
- Year and Date
  2016-11-01
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26289083
[Presentation] Microwave-Assisted Magnetization Switching in Granular Media2016
- Author(s)
  S. Okamoto
- Organizer
  ASTC fall meeting
- Place of Presentation
  San Jose, USA
- Year and Date
  2016-10-12
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26289083
[Presentation] Magnetization switching behaviors of a ferrimagnetic amorphous Gd-Fe-Co single dot under an assistance of rf field2016
- Author(s)
  Y. M. Lu, S. Okamoto, N. Kikuchi, B. Lao, Y. Kusanagi, and O. Kitakami
- Organizer
  日本磁気学会
- Place of Presentation
  金沢大学（石川県金沢市）
- Year and Date
  2016-09-07
- Data Source
  KAKENHI-PROJECT-26289083
[Presentation] Time resolved FMR measurement in non-linear regime on a Co/Pt multilayer dot measured by XMCD2016
- Author(s)
  N. Kikuchi, T. Yomogita, D. Kanahara, S. Okamoto, O. Kitakami, T. Shimatsu, H. Osawa and M. Suzuki
- Organizer
  MMM2016
- Place of Presentation
  New Orleans, USA
- Year and Date
  2016-11-01
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26289083
[Presentation] マイクロ波アシスト磁化反転技術の現状と将来展望2015
- Author(s)
  岡本聡
- Organizer
  第55回スピンエレクトロニクス専門研究会/第67回ナノマグネティックス専門研究会/応用物理学会スピントロニクス研究会
- Place of Presentation
  中央大学，東京
- Year and Date
  2015-11-25
- Invited
- Data Source
  KAKENHI-PROJECT-26289083
[Presentation] Nd2Fe14B薄膜の作製ならびに微視的・動的磁化過程評価のための微細加工の検討2014
- Author(s)
  東　佑, 門ノ沢和也, 岡本聡, 後藤龍太, 菊池伸明, 北上修
- Organizer
  電気学会マグネティクス研究会
- Place of Presentation
  東京
- Year and Date
  2014-12-12
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Co/Ptナノドットのマイクロ波磁化反転2014
- Author(s)
  菊池伸明，古田正樹，岡本聡，北上修，島津武仁
- Organizer
  MSJスピンエレクトロニクス専門研究会
- Place of Presentation
  名古屋
- Year and Date
  2014-07-30
- Data Source
  KAKENHI-PROJECT-24686038
[Presentation] Grain segregation and uniaxial magnetic anisotropy for L10 type FePt-X (X=SiC, TiC) films on FePt-C template2013
- Author(s)
  H. Kataoka, H. Kikuchi, A. Furuta, K. Tsumura, N. Kikuchi, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  58th Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  アメリカ・デンバー
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Co/Pt 多層膜の垂直磁気異方性とダンピング定数2013
- Author(s)
  足立寛太, 加藤剛志, 岡本聡 , 菊池伸明 , 北上修 , 岩田聡
- Organizer
  日本磁気学会
- Place of Presentation
  札幌
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Co/Pt ナノドットのマイクロ波アシストにおける反転磁場分散と臨界周波数分散2013
- Author(s)
  古田正樹, 岡本聡, 菊池伸明, 北上修, 島津武仁
- Organizer
  日本磁気学会
- Place of Presentation
  札幌
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Switching field and critical frequency distributions on microwave assisted switching in Co/Pt nanodot array2013
- Author(s)
  M. Furuta, S. Okamoto, N. Kikuchi, O. Kitakami, T. Shimatsu
- Organizer
  58TH ANNUAL CONFERENCE ON MAGNETISM AND MAGNETIC MATERIALS
- Place of Presentation
  Denver, USA
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Switching field and critical frequency distributions on microwave assisted switching in Co/Pt nanodot array2013
- Author(s)
  M. Furuta, S. Okamoto, N. Kikuchi, O. Kitakami, T. Shimatsu
- Organizer
  58TH ANNUAL CONFERENCE ON MAGNETISM AND MAGNETIC MATERIALS
- Place of Presentation
  米国・デンバー
- Year and Date
  2013-11-05
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] マイクロ波アシスト磁化反転技術の現状と課題2013
- Author(s)
  岡本聡,古田正樹, 菊池伸明,北上修, 島津武仁
- Organizer
  日本 HDD 協会クオータリーセミナー
- Place of Presentation
  東京
- Year and Date
  2013-10-10
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] ESTIMATION OF PERPENDICULAR ANISOTROPY AND GILBERT DAMPING CONSTANT OF Co/Pt MULTILAYERS USING TRMOKE2013
- Author(s)
  K. Adachi, T. Kato, S. Okamoto, N. Kikuchi, O. Kitakami, S. Iwata
- Organizer
  58th Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  アメリカ・デンバー
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Co/Pt ナノドットのマイクロ波アシストにおける反転磁場分散と臨界周波数分散2013
- Author(s)
  古田正樹, 岡本　聡, 菊池伸明, 北上　修, 島津武仁
- Organizer
  第37回日本磁気学会学術講演会
- Place of Presentation
  札幌
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] マイクロ波アシスト磁化反転における解析的考察と実験検証2013
- Author(s)
  岡本聡, 古田正樹, 菊池伸明, 北上修, 島津武仁
- Organizer
  電子情報通信学会磁気記録・情報ストレージ研究会
- Place of Presentation
  仙台
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Switching behaviors of perpendicular magnetic nanodots under the assistance of rf field2013
- Author(s)
  S. Okamoto, M. Furuta, N. Kikuchi, O. Kitakami, and T. Shimatsu
- Organizer
  情報ストレージ研究推進機構(SRC) 第35回テクニカルレビューミーティング
- Place of Presentation
  東京
- Year and Date
  2013-05-30
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Switching field reduction of Co-Cr-Pt granular film under the assistance of rf fields2013
- Author(s)
  S. Okamoto, N. Kikuchi, A. Hotta, M. Furuta, O. Kitakami, T. Shimatsu
- Organizer
  58TH ANNUAL CONFERENCE ON MAGNETISM AND MAGNETIC MATERIALS
- Place of Presentation
  Denver, USA
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] 異常 Hall 効果による垂直磁化ナノドットの磁化反転ダイナミクス計測と軟 X 線MCD 同時計測の展望2013
- Author(s)
  岡本聡, 菊池伸明,古田正樹,門ノ沢和也, 後藤龍太, 北上修, 島津武仁
- Organizer
  SPring-8 研究会GIGNO 研究領域創成ワークショップ
- Place of Presentation
  東京
- Year and Date
  2013-03-12
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Co/Pt 多層膜のダンピング定数のCo 層厚依存性2013
- Author(s)
  草薙勇作, 岡本聡, 菊池伸明, 北上修, 加藤剛志, 岩田聡
- Organizer
  日本磁気学会
- Place of Presentation
  札幌
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] RISE TIME EFFECT ON MAGNETIZATION REVERSAL OF CO/PT MULRILAYER NANODOTS BY NANOSECONDS PULSE FIELDS2013
- Author(s)
  N. Kikuchi, S. Okamoto, M. Furuta, O. Kitakami, T. Shimatsu
- Organizer
  Magnetics and Optics Research International Symposium
- Place of Presentation
  Omiya
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Curie temperature and magnetic anisotropy for L10 type Fe-Pt-Cu single crystal films2013
- Author(s)
  T. Moriya, H. Nakata, K. Komiyama, S. Okamoto, N. Kikuchi, O. Kitakami, T. Shimatsu
- Organizer
  58th Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  アメリカ・デンバー
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Co/Pt 多層膜の垂直磁気異方性とダンピング定数2013
- Author(s)
  足立寛太, 加藤剛志, 岡本聡, 菊池伸明, 北上修, 岩田聡
- Organizer
  第37回日本磁気学会学術講演会
- Place of Presentation
  札幌
- Year and Date
  2013-09-04
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Switching behaviors and its dynamics in a single Co/Pt multilayer nanodot under microwave assistance2013
- Author(s)
  S. Okamoto, N. Kikuchi, M. Furuta, O. Kitakami, T. Shimatsu
- Organizer
  12th MMM-INTERMAG Joint Conference
- Place of Presentation
  米国・シカゴ
- Year and Date
  2013-01-16
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Growth of highly oriented Nd-Fe-B films and its magnetization reversal behaviors2013
- Author(s)
  R. Goto, K. Kadonosawa, S. Okamoto, N. Kikuchi, O. Kitakami
- Organizer
  58th Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  アメリカ・デンバー
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Switching field reduction of Co-Cr-Pt granular film under the assistance of rf fields2013
- Author(s)
  S. Okamoto, N. Kikuchi, A. Hotta, M. Furuta, O. Kitakami, T. Shimatsu
- Organizer
  58TH ANNUAL CONFERENCE ON MAGNETISM AND MAGNETIC MATERIALS
- Place of Presentation
  米国・デンバー
- Year and Date
  2013-11-06
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] L10-FePt 垂直磁化膜の一軸磁気異方性の膜厚依存性2013
- Author(s)
  堀田明良, 小野拓也, 島津武仁, 菊池伸明, 岡本聡, 北上修
- Organizer
  日本磁気学会
- Place of Presentation
  札幌
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Co/Pt ナノドットのマイクロ波アシストにおける反転磁場分散と臨界周波数分散2013
- Author(s)
  古田正樹, 岡本聡, 菊池伸明, 北上修, 島津武仁
- Organizer
  第37回日本磁気学会学術講演会
- Place of Presentation
  札幌
- Year and Date
  2013-09-05
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Co/Pt 多層膜のダンピング定数のCo 層厚依存性2013
- Author(s)
  草薙勇作, 岡本　聡, 菊池伸明, 北上　修, 加藤剛志, 岩田　聡
- Organizer
  第37回日本磁気学会学術講演会
- Place of Presentation
  札幌
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] FREQUENCY AND SIZE DEPENDENT MICROWAVE ASSISTED MAGNETIZATION SWITCHING IN CO/PT NANODOT2013
- Author(s)
  S. Okamoto, M. Furuta, N. Kikuchi, O. Kitakami, T. Shimatsu
- Organizer
  24th MAGNETIC RECORDING CONFERENCE
- Place of Presentation
  東京
- Invited
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] FREQUENCY AND SIZE DEPENDENT MICROWAVE ASSISTED MAGNETIZATION SWITCHING IN CO/PT NANODOT2013
- Author(s)
  S. Okamoto, M. Furuta, N. Kikuchi, O. Kitakami, T. Shimatsu
- Organizer
  24th MAGNETIC RECORDING CONFERENCE
- Place of Presentation
  Tokyo
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] 高配向Nd-Fe-B スパッタ薄膜の作製と磁化反転挙動2013
- Author(s)
  後藤龍太, 門ノ沢和也, 岡本聡, 菊池伸明, 北上修
- Organizer
  日本磁気学会
- Place of Presentation
  札幌
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Switching field and critical frequency distributions on microwave assisted switching in Co/Pt nanodot array2013
- Author(s)
  M. Furuta, S. Okamoto, N. Kikuchi, O. Kitakami, T. Shimatsu
- Organizer
  58th Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  アメリカ・デンバー
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Frequency and Size Dependent Microwave Assisted Magnetization Switching in Co/Pt Nanodots2013
- Author(s)
  S. Okamoto, M. Furuta, N. Kikuchi, O. Kitakami, and T. Shimatsu
- Organizer
  第24回磁気記録に関する国際会議(TMRC 2013)
- Place of Presentation
  東京
- Year and Date
  2013-08-22
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Microwave assisted switching experiments in Co/Pt dot array with narrow switching field distribution2013
- Author(s)
  M. Furuta, S. Okamoto, N. Kikuchi, O. Kitakami, T. Shimatsu
- Organizer
  12th MMM-INTERMAG Joint Conference
- Place of Presentation
  米国・シカゴ
- Year and Date
  2013-01-16
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] 永久磁石の磁化反転実験のためのナノ秒パルス磁場発生装置2013
- Author(s)
  門ノ沢和也, 菊池伸明, 後藤龍太, 岡本　聡, 北上　修
- Organizer
  日本磁気学会
- Place of Presentation
  札幌
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] マイクロ波アシスト磁化反転における Co/Pt ドット径依存性2013
- Author(s)
  古田正樹, 岡本聡, 菊池伸明, 北上修, 島津武仁
- Organizer
  第37回日本磁気学会学術講演会
- Place of Presentation
  札幌
- Year and Date
  2013-09-05
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Granular nanostructure and magnetic characteristics of FePt-MOx/FePt-C (M = Ti, Si) stacked granular films2013
- Author(s)
  T. Ono, T. Moriya, M. Hatayama, N. Kikuchi, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  58th Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  アメリカ・デンバー
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Magnetic anisotropy and order structure of (001) textured L10-FePt polycrystalline films deposited on MgO seed layers2013
- Author(s)
  A. Hotta, T. Ono, M. Hatayama, K. Tsumura, N. Kikuchi, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  58th Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  アメリカ・デンバー
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Co/Pt 多層膜のダンピング定数の Co 層厚依存性2013
- Author(s)
  草薙勇作, 岡本聡, 菊池伸明, 北上修, 加藤剛志, 岩田聡
- Organizer
  第37回日本磁気学会学術講演会
- Place of Presentation
  札幌
- Year and Date
  2013-09-04
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] マイクロ波アシスト磁化反転におけるCo/Pt ドット径依存性2013
- Author(s)
  古田正樹, 岡本聡, 菊池伸明, 北上修, 島津武仁
- Organizer
  日本磁気学会
- Place of Presentation
  札幌
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] マイクロ波アシスト磁化反転における解析的考察と実験検証2013
- Author(s)
  古田正樹, 岡本聡, 菊池伸明, 北上修, 島津武仁
- Organizer
  電子情報通信学会磁気記録・情報ストレージ研究会
- Place of Presentation
  仙台
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Time dependent coercivity of granular media in a time scale from nanosecond to sub-millisecond regime2013
- Author(s)
  N. Kikuchi, A. Hotta, K. Kadonosawa, M. Furuta, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  58th Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  アメリカ・デンバー
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Time dependent coercivity of granular media in a time scale from nanosecond to sub-millisecond regime2013
- Author(s)
  N. Kikuchi, A. Hotta, K. Kadonosawa, M. Furuta, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  58TH ANNUAL CONFERENCE ON MAGNETISM AND MAGNETIC MATERIALS
- Place of Presentation
  Denver, USA
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] RISE TIME EFFECT ON MAGNETIZATION REVERSAL OF CO/PT MULRILAYER NANODOTS BY NANOSECONDS PULSE FIELDS2013
- Author(s)
  N. Kikuchi, S. Okamoto, M. Furuta, O. Kitakami, T. Shimatsu
- Organizer
  14th Magnetics and Optics Research International Symposium
- Place of Presentation
  大宮
- Invited
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Switching field reduction of Co-Cr-Pt granular film under the assistance of rf fields2013
- Author(s)
  S. Okamoto, N. Kikuchi, A. Hotta, M. Furuta, O. Kitakami, T. Shimatsu
- Organizer
  58th Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  アメリカ・デンバー
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] マイクロ波アシスト磁化反転におけるCo/Pt ドット径依存性2013
- Author(s)
  古田正樹, 岡本　聡, 菊池伸明, 北上　修, 島津武仁
- Organizer
  第37回日本磁気学会学術講演会
- Place of Presentation
  札幌
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Switching behavior of single Co/Pt nanodot under microwave assistance2012
- Author(s)
  S. Okamoto, 他
- Organizer
  International Conference of the Asian Union of Magnetics Societies(ICAUMS2012)
- Place of Presentation
  Nara
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] ナノスケール孤立磁石微粒子の微視的・動的磁化挙動の評価・解析2012
- Author(s)
  岡本聡, 他
- Organizer
  元素戦略・磁性材料拠点第1回成果報告会
- Place of Presentation
  東京
- Year and Date
  2012-07-29
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Microwave assisted switching experiment on Co/Pt multilayer dot array2012
- Author(s)
  M. Furuta, N. Kikuchi, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  International Conference of the Asian Union of Magnetics Societies (ICAUMS2012)
- Place of Presentation
  奈良
- Year and Date
  2012-10-02
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Co/Pt ナノドットを用いたマイクロ波アシスト磁化反転2012
- Author(s)
  岡本聡, 菊池伸明,古田正樹,北上修,島津武仁, 青井基
- Organizer
  電子情報通信学会磁気記録研究会
- Place of Presentation
  仙台
- Year and Date
  2012-06-14
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Switching behavior of perpendicular magnetic dots under the assistance of rf field2012
- Author(s)
  S. Okamoto, 他
- Organizer
  180th Special MMU Seminar
- Place of Presentation
  Tsukuba(招待講演)
- Year and Date
  2012-12-14
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] ナノスケール孤立磁石微粒子の微視的・動的磁化挙動の評価・解析2012
- Author(s)
  岡本聡, 他
- Organizer
  元素戦略・磁性材料拠点第2回成果報告会
- Place of Presentation
  東京
- Year and Date
  2012-12-15
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Microwave Assisted Magnetization Switching In Co/Pt Nanodot2012
- Author(s)
  S. Okamoto, M. Furuta, N. Kikuchi, O. Kitakami, T. Shimatsu, H. Aoi
- Organizer
  第23回磁気記録に関する国際会議(TMRC 2012)
- Place of Presentation
  米国・サンノゼ
- Year and Date
  2012-08-20
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] マイクロ波アシストにおける Co/Pt ナノドットの磁化反転挙動2012
- Author(s)
  岡本聡, 菊池伸明, 古田正樹,北上修, 島津武仁
- Organizer
  日本磁気学会第186回研究会
- Place of Presentation
  東京
- Year and Date
  2012-11-02
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] マイクロ波アシスト磁化反転の反転メカニズムとそのダイナミクス2012
- Author(s)
  岡本聡, 他
- Organizer
  電気学会, 日本磁気学会合同研究会
- Place of Presentation
  東京
- Year and Date
  2012-07-19
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Co/Ptナノドットを用いたマイクロ波アシスト磁化反転2012
- Author(s)
  岡本聡, 他
- Organizer
  電子情報通信学会磁気記録研究会
- Place of Presentation
  仙台
- Year and Date
  2012-06-14
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] マイクロ波アシストにおけるCo/Ptナノドットの磁化反転挙動2012
- Author(s)
  岡本聡, 他
- Organizer
  日本磁気学会第186回研究会
- Place of Presentation
  東京(招待講演)
- Year and Date
  2012-11-02
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Microwave assisted magnetization switching in Co/Pt nanodot2012
- Author(s)
  S. Okamoto, 他
- Organizer
  The Magnetic Recording Conference (TMRC2012)
- Place of Presentation
  San Jose, USA(招待講演)
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Microwave assisted magnetization switching on perpendicular magneticdots2012
- Author(s)
  S. Okamoto, 他
- Organizer
  Collaborative Conference on Materials Research (CCMR) 2012
- Place of Presentation
  Seoul, Korea(招待講演)
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Switching behavior of single Co/Pt nanodot under microwave assistance2012
- Author(s)
  S. Okamoto, N. Kikuchi, M. Furuta, O. Kitakami, T. Shimatsu
- Organizer
  International Conference of the Asian Union of Magnetics Societies (ICAUMS2012)
- Place of Presentation
  奈良
- Year and Date
  2012-10-02
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] 垂直磁気異方性を有するナノ磁性ドットを用いたマイクロ波アシスト磁化反転2012
- Author(s)
  岡本聡, 他
- Organizer
  電気学会マグネティックス研究会
- Place of Presentation
  函館(招待講演)
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] 垂直磁化ナノドットのマイクロ波アシスト磁化反転挙動2012
- Author(s)
  岡本聡, 菊池伸明, 古田正樹,北上修, 島津武仁
- Organizer
  日本HDD 協会クオータリーセミナー
- Place of Presentation
  東京
- Year and Date
  2012-10-12
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Microwave assisted magnetization switching on perpendicular magnetic dots2012
- Author(s)
  S. Okamoto, N. Kikuchi, M. Furuta, O. Kitakami, and T. Shimatsu
- Organizer
  Collaborative Conference on Materials Research (CCMR2012)
- Place of Presentation
  韓国・ソウル
- Year and Date
  2012-06-26
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Co/Pt多層膜の強磁性共鳴と緩和定数評価2011
- Author(s)
  李〓, 菊池伸明, 岡本聡, 北上修, 島津武仁, 青井基, 加藤剛志
- Organizer
  日本磁気学会
- Place of Presentation
  新潟
- Year and Date
  2011-09-28
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Switching behavior of Co/Pt multilayer nanodots under microwave assistance2011
- Author(s)
  S.Okamoto, N.Kikuchi, J.Li, O.Kitakami, T.Shimatsu, H.
- Organizer
  Conference on Magnetism and Magnetic Materials
- Place of Presentation
  Phoenix, USA
- Year and Date
  2011-11-02
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] マイクロ波アシスト磁化反転とその反転メカニズム2011
- Author(s)
  岡本聡, 菊池伸明, 北上修
- Organizer
  日本磁気学会学術講演会
- Place of Presentation
  つくば
- Year and Date
  2011-09-27
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Co/Pt 多層膜ナノドットにおけるマイクロ波アシスト磁化反転実験2011
- Author(s)
  岡本聡, 李瑨, 菊池伸明, 北上修, 島津武仁, 青井基
- Organizer
  日本磁気学会学術講演会
- Place of Presentation
  つくば
- Year and Date
  2011-09-27
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Co/Pt 多層膜の強磁性共鳴と緩和定数評価2011
- Author(s)
  李瑨, 菊池伸明,岡本聡,北上修,島津武仁,青井基,加藤剛志,岩田聡
- Organizer
  日本磁気学会学術講演会
- Place of Presentation
  つくば
- Year and Date
  2011-09-29
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Switching behavior of Co/Pt multilayer nanodots under microwave assistance2011
- Author(s)
  S. Okamoto, N. Kikuchi, J. Li, O. Kitakami, T. Shimatsu, H. Aoi
- Organizer
  56th Annual Conference on Magnetism & Magnetic Materials
- Place of Presentation
  米国・アリゾナ
- Year and Date
  2011-11-02
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Co/Pt多層膜ナノドットにおけるマイクロ波アシスト磁化反転実験2011
- Author(s)
  岡本聡, 菊池伸明, 北上修, 島津武仁, 青井基
- Organizer
  日本磁気学会
- Place of Presentation
  新潟
- Year and Date
  2011-09-27
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Effect of dipole interaction in on microwave assisted magnetization switching2009
- Author(s)
  Okamoto, 他
- Organizer
  International Conference on Magnetism
- Place of Presentation
  Germany, Karlsruhe
- Year and Date
  2009-07-30
- Data Source
  KAKENHI-PROJECT-20656051
[Presentation] Large magnetic anisotropy in epitaxially grown Fe/Co multilayer and alloy2009
- Author(s)
  Okamoto, 他
- Organizer
  Magnetics and Optics Research International Symposium for New Storage Technology
- Place of Presentation
  兵庫
- Year and Date
  2009-06-16
- Data Source
  KAKENHI-PROJECT-20656051
[Presentation] エピタキシャルFeCo合金膜およびFe/Co多層膜における巨大な磁気異方性2009
- Author(s)
  岡本, 他
- Organizer
  第33回日本磁気学会学術講演会
- Place of Presentation
  長崎
- Year and Date
  2009-09-12
- Data Source
  KAKENHI-PROJECT-20656051
[Presentation] Large magnetic anisotropy in epitaxially grown Fe/Co multilayer and alloy2009
- Author(s)
  Okamoto, 他
- Organizer
  International Conference on Magnetism
- Place of Presentation
  Germany, Karlsruhe
- Year and Date
  2009-07-30
- Data Source
  KAKENHI-PROJECT-20656051
[Presentation] マイクロ波アシスト記録のシミュレーションと最近の進展2009
- Author(s)
  岡本, 他
- Organizer
  国際ディスクドライブ協会(IDEMA)セミナー
- Place of Presentation
  東京
- Year and Date
  2009-10-23
- Data Source
  KAKENHI-PROJECT-20656051
[Presentation] Ferromagnetic resonance of Co/Ni multilayer2009
- Author(s)
  Okamoto, 他
- Organizer
  International Conference on Magnetism
- Place of Presentation
  Germany, Karlsruhe
- Year and Date
  2009-07-28
- Data Source
  KAKENHI-PROJECT-20656051
[Presentation] マイクロ波アシスト磁化反転における粒子間相互作用の影響2009
- Author(s)
  岡本, 他
- Organizer
  第33回日本磁気学会学術講演会
- Place of Presentation
  長崎
- Year and Date
  2009-09-14
- Data Source
  KAKENHI-PROJECT-20656051
[Presentation] Frequency modulation effect on microwave assisted magnetization switching2008
- Author(s)
  S. Okamoto, N. Kikuchi, O. Kitakami
- Organizer
  53rd Annual Conference on Magnetism and Magnetic Materials (MMM2008)
- Place of Presentation
  America, Austin
- Year and Date
  2008-11-10
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Frequency modulation effect on microwave assisted magnetization switching2008
- Author(s)
  Okamoto, 他
- Organizer
  53rd Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  America, Austin
- Year and Date
  2008-11-10
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Study on nanostructured magnets for bit patterned media2008
- Author(s)
  O. Kitakami, S. Okamoto, N. Kikuchi, T. Shimatsu, H. Aoi
- Organizer
  International Disk Forum 2008
- Place of Presentation
  Japan,Tokyo
- Year and Date
  2008-07-22
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Frequency modulation effect on microwave assisted magneti zation switching2008
- Author(s)
  Okamoto, 他
- Organizer
  53rd Annual Conference on Magnetism and Mag netic Materials
- Place of Presentation
  America,Austin
- Year and Date
  2008-11-10
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] マイクロ波アシスト記録における反転ダイナミクス2008
- Author(s)
  岡本, 他
- Organizer
  国際ディスクドライヴ協会(IDEMA)セミナー
- Place of Presentation
  仙台
- Year and Date
  2008-10-17
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Frequency modulation effect on microwave assisted magnetization switching2008
- Author(s)
  S. Okamoto、N.Kikuchi、O. Kitakami
- Organizer
  53rd Annual Conference on Magnetism and Magnetic Materials(MMM2008)EU-05
- Place of Presentation
  USA/Austin
- Year and Date
  2008-11-10
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Fabrication of L11 type (Co-Ni)-Pt ordered alloy films by sputter deposition for bit-patterned media2008
- Author(s)
  H. Sato,T. Shimatsu, H. Kataoka, H. Aoi, O. Kitakami, S. Okamoto,
- Organizer
  53rd Annual Conference on Magnetism and Magnetic Materials(MMM2008)
- Place of Presentation
  America, Austin
- Year and Date
  2008-11-10
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Study on nanostructured magnets for bit patterned media[Invited]2008
- Author(s)
  O. Kitakami、S.Okamoto、N.KikuchiT.、Shimatsu、H. Aoi
- Organizer
  International Disk Forum
- Place of Presentation
  Tokyo
- Year and Date
  2008-07-22
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] 異常ホール効果による動的磁化反転過程の検出2008
- Author(s)
  小原佳、菊池伸明、岡本聡、北上修
- Organizer
  第32回日本磁気学会学術講演会
- Place of Presentation
  仙台
- Year and Date
  2008-09-12
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Generation of nanoseconds magnetic pulse field for switching experiments on a single Co/Pt nanodot2008
- Author(s)
  N. Kikuchi、S. Okamoto、O. Kitakami
- Organizer
  53rd Annual Conference on Magnetism and Magnetic Materials(MMM2008)CP-10
- Place of Presentation
  USA/Austin
- Year and Date
  2008-11-10
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Magnetic behavior of single nanostructured magnet [Invited]2008
- Author(s)
  O. Kitakami、S. Okamoto、N. Kikuchi、T. Shimatsu、K. Mitsuzuka、H. Aoi
- Organizer
  International Conference on Advanced Structural and Functional Materials Design 2008
- Place of Presentation
  Osaka
- Year and Date
  2008-11-10
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] マイクロ波アシスト磁化反転の反転メカニズムとそのダイナミクス2008
- Author(s)
  岡本, 他
- Organizer
  電気学会, 日本磁気学会合同研究会
- Place of Presentation
  東京
- Year and Date
  2008-07-18
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] マイクロ波アシスト磁化反転の反転メカニズムとそのダイナミクス2008
- Author(s)
  岡本, 他
- Organizer
  電気学会, 日本磁気学会合同研究会
- Place of Presentation
  東京
- Year and Date
  2008-07-18
- Data Source
  KAKENHI-PROJECT-20656051
[Presentation] Microwave assisted magnetization reversal and its thermal activation2008
- Author(s)
  Okamoto, 他
- Organizer
  International Magnetics Conference
- Place of Presentation
  Spain, Madrid
- Year and Date
  2008-05-04
- Data Source
  KAKENHI-PROJECT-20656051
[Presentation] マイクロ波アシスト記録における反転ダイナミクス2008
- Author(s)
  岡本, 他
- Organizer
  国際ディスクドライヴ協会(IDEMA)セミナー
- Place of Presentation
  仙台
- Year and Date
  2008-10-17
- Data Source
  KAKENHI-PROJECT-20656051
[Presentation] Magnetic behavior of nanostructured magnets for bit patterned media [ Invited]2008
- Author(s)
  N. Kikuchi, K. Mitsuzuka, S. Okamoto, O. Kitakami, T. Shimatsu, H. Aoi
- Organizer
  32^<nd>Annual Conference on Magnetics in Japan
- Place of Presentation
  Sendai
- Year and Date
  2008-09-12
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Nano Indentationによる微小パターン形成の試み2008
- Author(s)
  橋本知彦、菊池伸明、岡本聡、北上修
- Organizer
  第32回日本磁気学会学術講演会
- Place of Presentation
  仙台
- Year and Date
  2008-09-12
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Generation of nanoseconds magnetic pulse field for switching exon a single Co/Pt nanodot2008
- Author(s)
  N. Kikuchi, S. Okamoto, O. Kitakami
- Organizer
  53rd Annual Conference on Magnetism and Magnetic Materials (MMM2008)
- Place of Presentation
  America, Austin
- Year and Date
  2008-11-10
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Microwave assisted magnetization reversal and its thermal activation2008
- Author(s)
  S. Okamoto, N. Kikuchi, O. Kitakami
- Organizer
  International Magnetics Conference
- Place of Presentation
  Spain, Madrid
- Year and Date
  2008-05-04
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] エピタキシャルCo/Fe多層膜の磁気異方性2008
- Author(s)
  篠崎達也、菊池伸明、岡本聡、北上修
- Organizer
  第32回日本磁気学会学術講演会
- Place of Presentation
  仙台
- Year and Date
  2008-09-12
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Magnetization switching experiments on submicron Co/Pt multilayer dot with pulse field generator with nanosecond duration2008
- Author(s)
  N. Kikuchi, A. Ito, S. Okamoto, O. Kitakami
- Organizer
  International Magnetics Conference
- Place of Presentation
  Spain, Madrid
- Year and Date
  2008-05-04
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Frequency modulation effect on microwave assisted magnetization switching2008
- Author(s)
  Okamoto, 他
- Organizer
  53rd Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  America, Austin
- Year and Date
  2008-11-10
- Data Source
  KAKENHI-PROJECT-20656051
[Presentation] NiFe細線によるパルス磁場強度測定の試み2008
- Author(s)
  小原佳、菊池伸明、岡本聡、北上修
- Organizer
  第32回日本磁気学会学術講演会
- Place of Presentation
  仙台
- Year and Date
  2008-09-12
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Microwave assisted magnetization reversal and its thermal activation2008
- Author(s)
  S. Okamoto、N. Kikuchi、O. Kitakami
- Organizer
  International Magnetics Conference(INTERMAG 2008), HW03
- Place of Presentation
  Spain/Madrid
- Year and Date
  2008-05-04
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] マイクロ波アシスト記録における反転ダイナミクス2008
- Author(s)
  岡本, 他
- Organizer
  国際ディスクドライヴ協会(IDEMA)セミナー
- Place of Presentation
  仙台
- Year and Date
  2008-10-17
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] 大きな垂直磁気異方性を有する磁性薄膜の形成とビット・パターン媒体への応用2008
- Author(s)
  島津武仁、佐藤英夫、青井基、岡本聡、北上修
- Organizer
  応用物理学会研究会「スピントロニクスの基礎と応用」
- Place of Presentation
  東京
- Year and Date
  2008-10-29
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] マイクロ波アシスト記録における反転ダイナミクス[招待]2008
- Author(s)
  岡本聡、菊池伸明、北上修
- Organizer
  国際ディスクドライヴ協会(IDEMA)セミナー
- Place of Presentation
  東京
- Year and Date
  2008-10-14
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Magnetization switching experiments on submicron Co/Pt multilayer dot with pulse field generator with nanosecond duration2008
- Author(s)
  N. Kikuchi、A. Ito、S. Okamoto、O. Kitakami
- Organizer
  International Magnetics Conference(INTERMAG 2008), CU 05
- Place of Presentation
  Spain/Madrid
- Year and Date
  2008-05-04
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] マイクロ波アシスト磁化反転の反転メカニズムとそのダイナミクス2008
- Author(s)
  岡本, 他
- Organizer
  電気学会,日本磁気学会合同研究会
- Place of Presentation
  東京
- Year and Date
  2008-07-18
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] マイクロ波アシスト磁化反転の反転メカニズムとそのダイナミクス[招待]電気学会2008
- Author(s)
  岡本聡、菊池伸明、北上修
- Organizer
  日本磁気学会合同研究会
- Place of Presentation
  那覇
- Year and Date
  2008-07-04
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Microwave assisted magnetization reversal and its thermal activation2008
- Author(s)
  Okamoto, 他
- Organizer
  International Magnetics Conference
- Place of Presentation
  Spain, Madrid
- Year and Date
  2008-05-04
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Magnetic behavior of single nanostructured magnet2008
- Author(s)
  O. Kitakami, S. Okamoto, N. Kikuchi, T. Shimatsu, K. Mitsuzuka, H. Aoi
- Organizer
  International Conference on AdvancedStructural and Functional Materials Design 2008
- Place of Presentation
  Osaka
- Year and Date
  2008-11-10
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Magnetization behavior of nanomagnets for patterned media application [Invited]2007
- Author(s)
  S. Okamoto、N. Kikuchi、O. Kitakami、T. Shimatsu
- Organizer
  8th Perpendicular Magnetic Recording Conference, 16pA-03
- Place of Presentation
  USA/Tampa
- Year and Date
  2007-10-15
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Magnetization reversal process and single domain stability of Co/Pt multilayer dot2007
- Author(s)
  N. Kikuchi, T. Kato, S. Okamoto, O. Kitakami, N. Tezuka, S. Sugimoto
- Organizer
  52nd MMM Conference
- Place of Presentation
  USA, Tampa
- Year and Date
  2007-11-07
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] The boundary between single-and multi-domain for L10-FePt nanoparticles2007
- Author(s)
  N. Kikuchi、S. Okamoto、O. Kitakami
- Organizer
  52nd MMM Conference, HS-09
- Place of Presentation
  USA/Tampa
- Year and Date
  2007-11-05
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Magnetic properties of Hard/Soft stacked perpendicular media with various soft layer thickness2007
- Author(s)
  T. Shimatsu, A. Sato, N. Asakura, O. Kitakami, S. Okamoto, H. Muraoka, H. Aoi
- Organizer
  52nd MMM Conference
- Place of Presentation
  USA, Tampa
- Year and Date
  2007-11-07
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Magnetization behavior of nanomagnets for patterned media application2007
- Author(s)
  S. Okamoto, N. Kikuchi, O. Kitakami, and T. Shimatsu
- Organizer
  8th Perpendicular Magnetic Recording Conference
- Place of Presentation
  Japan, Tokyo
- Year and Date
  2007-10-15
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] The boundary between single-and multi-domain for L10-FePt nanoparticles2007
- Author(s)
  N. Kikuchi, S. Okamoto, O. Kitakam
- Organizer
  52nd MMM Conference
- Place of Presentation
  USA, Tampa
- Year and Date
  2007-11-07
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Energy barrier and reversal mechanism in Co/Pt multilayer nanodot2007
- Author(s)
  S. Okamoto, T. Kato, N. Kikuchi, O. Kitakami, N. Tezuka, S. Sugimoto
- Organizer
  52nd MMM Conference
- Place of Presentation
  USA, Tampa
- Year and Date
  2007-11-07
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Energy barrier and reversal mechanism in Co/Pt multilayer nanodot2007
- Author(s)
  S. Okamoto, 他5名
- Organizer
  52nd MMM Conference, AC-03
- Place of Presentation
  USA/Tampa
- Year and Date
  2007-11-05
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Magnetization reversal of Co/Pt nanodot by applying pulse field2007
- Author(s)
  Okamoto, 他
- Organizer
  Perpendicular Magnetic Recording Conference
- Place of Presentation
  国際フォーラム(東京)
- Year and Date
  2007-10-16
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Energy barrier and reversal mechanism in Co/Pt multilayer nanodot2007
- Author(s)
  S. Okamoto, et. al.
- Organizer
  52nd MMM Conference
- Place of Presentation
  Tampa, USA
- Year and Date
  2007-11-05
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] L1_0-FePt微粒子の単磁区/多磁区境界2007
- Author(s)
  菊池伸明、岡本聡、北上修
- Organizer
  第31回日本応用磁気学会学術講演会, 11aD-12
- Place of Presentation
  東京
- Year and Date
  2007-09-11
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Magnetization behavior of nanomagnets for patterned media application [Invited]2007
- Author(s)
  Okamoto, 他
- Organizer
  Perpendicular Magnetic Recording Conference
- Place of Presentation
  国際フォーラム(東京)
- Year and Date
  2007-10-16
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Energy barrier and reversal mechanism in Co/Pt multilayer nanodot2007
- Author(s)
  Okamoto, 他
- Organizer
  52nd MMM Conference
- Place of Presentation
  Tampa(米国)
- Year and Date
  2007-11-06
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Magnetization behavior and reversal process of Co/Pt multilayer nanodot2007
- Author(s)
  N. Kikuchi, S. Okamoto, T. Kato, O. Kitakami
- Organizer
  8th Perpendicular Magnetic Recording Conference
- Place of Presentation
  Japan, Tokyo
- Year and Date
  2007-10-15
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Magnetization reversal of Co/Pt nanodot by applying pulse field2007
- Author(s)
  S. Okamoto, et. al.
- Organizer
  8th Perpendicular Magnetic Recording Conference
- Place of Presentation
  Tokyo, Japan
- Year and Date
  2007-10-17
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] パルス磁場による単一Co/Ptドットの磁化反転2007
- Author(s)
  伊藤淳郎、菊池伸明、岡本聡、北上修島田寛
- Organizer
  第31回日本応用磁気学会学術講演会, 11aD-10
- Place of Presentation
  東京
- Year and Date
  2007-09-11
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Magnetization behavior and reversal process of Co/Pt multilayer nanodot2007
- Author(s)
  N. Kikuchi、S. Okamoto、T. Kato、O. Kitakami
- Organizer
  8th Perpendicular Magnetic Recording Conference,16pC-07
- Place of Presentation
  Tokyo
- Year and Date
  2007-10-15
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] パターンド磁性体の作製とその磁気特性評価第2007
- Author(s)
  菊池伸明、岡本聡、北上修
- Organizer
  104回スピニクス研究会
- Place of Presentation
  仙台
- Year and Date
  2007-06-07
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Magnetization reversal of Co/Pt nanodot by applying pulse field2007
- Author(s)
  S .Okamoto、A. Ito、N. Kikuchi、O. Kitakami
- Organizer
  8th Perpendicular Magnetic Recording Conference, 16pC-06
- Place of Presentation
  Tokyo
- Year and Date
  2007-10-15
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Magnetization reversal of Co/Pt nanodot by applying pulse field2007
- Author(s)
  S. Okamoto, A. Ito, N. Kikuchi, O. Kitakami
- Organizer
  8th Perpendicular Magnetic Recording Conference
- Place of Presentation
  Japan, Tokyo
- Year and Date
  2007-10-15
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Fabrication of L11 type Co-Pt ordered alloy films by sputter deposition2007
- Author(s)
  H. Sato, T. Shimatsu, Y. Okazaki, O. Kitakami, S. Okamoto, H. Muraoka, H. Aoi
- Organizer
  52nd MMM Conference
- Place of Presentation
  USA, Tampa
- Year and Date
  2007-11-07
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Magnetization reversal process and single domain stability of Co/Pt multilayer dot2007
- Author(s)
  N. Kikuchi、T. Kato、S. Okamoto、O. Kitakami
- Organizer
  52nd MMM Conference、AR-18
- Place of Presentation
  USA/Tampa
- Year and Date
  2007-11-05
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Magnetization behavior of nanomagnets for patterned media application[Invited]2007
- Author(s)
  S. Okamoto, et. al.
- Organizer
  8th Perpendicular Magnetic Recording Conference
- Place of Presentation
  Tokyo, Japan
- Year and Date
  2007-10-15
- Data Source
  KAKENHI-PROJECT-19360136
[Presentation] Large uniaxial Magnetic Anisotropy in Co100-XPtX/Ru Disordered Perpendi- cular Films2006
- Author(s)
  T. Shimatsu, Y. Okazaki, H. Sato, O. Kitakami, S. Okamoto, H. Aoi, H. Muraoka, Y. Nakamura
- Organizer
  The Intermag 2006 Conference
- Place of Presentation
  USA, San Diego
- Year and Date
  2006-05-08
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Magnetic properties of assembled nanoparticle films of L1_0-FePt2006
- Author(s)
  N. Kikuchi, S. Okamoto, O. Kitakami
- Organizer
  ICM 2006
- Place of Presentation
  Japan,Kyoto
- Year and Date
  2006-08-20
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Interfacially Disordered FePt hard/soft Stacked Structures2006
- Author(s)
  Y. K. Takahashi, K. Hono, S. Okamoto, O. Kitakami
- Organizer
  The Intermag 2006 Conference
- Place of Presentation
  USA, San Diego
- Year and Date
  2006-05-08
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] Epitaxially grown L10-FePt/ (C, SiO2, and Al2O3) granular films2006
- Author(s)
  S. Okamoto, and O. Kitakami
- Organizer
  ICM 2006
- Place of Presentation
  Japan, Kyoto
- Year and Date
  2006-08-20
- Data Source
  KAKENHI-PROJECT-18686027
[Presentation] 垂直磁化ナノドットのマイクロ波アシスト磁化反転挙動
- Author(s)
  岡本聡
- Organizer
  IDEMA JAPAN クォータリーセミナー
- Place of Presentation
  東京
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Co/Ptナノドットアレイを用いたマイクロ波アシスト磁化反転とその反転挙動
- Author(s)
  古田正樹, 岡本聡, 菊池伸明, 北上修, 島津武仁
- Organizer
  電子情報通信学会 MR研究会
- Place of Presentation
  仙台
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Co/Ptナノドットを用いたマイクロ波アシスト磁化反転
- Author(s)
  岡本聡
- Organizer
  磁気記録研究会
- Place of Presentation
  仙台
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Ferromagnetic resonance measurements on single nanoscale Co/Pt dots with perpendicular anisotropy
- Author(s)
  N. Kikuchi, S. Okamoto, M. Furuta, O. Kitakami, T. Shimatsu
- Organizer
  IEEE International Magnetics Conference
- Place of Presentation
  Germany,Ｄｒｅｓｄｅｎ
- Year and Date
  2014-05-04 – 2014-05-08
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Switching behaviors of Co/Pt nanodots and its dynamics under the assistance of rf field
- Author(s)
  S. Okamoto, N. Kikuchi, M. Furuta, O. Kitakami, and T. Shimatsu
- Organizer
  The 2014 ECS and SMEQ Joint International Meeting
- Place of Presentation
  Cancun, Mexico
- Year and Date
  2014-10-05 – 2014-10-10
- Invited
- Data Source
  KAKENHI-PROJECT-26289083
[Presentation] Switching behavior of perpendicular magnetic dots under the assistance of rf field
- Author(s)
  岡本聡
- Organizer
  180th Special MMU Seminar
- Place of Presentation
  つくば
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] L10-FePt多結晶垂直磁化膜のPt表面偏析と規則度のPt組成依存性
- Author(s)
  堀田明良, 小野拓也, 島津武仁, 菊池伸明, 岡本　聡, 北上　修
- Organizer
  日本磁気学会
- Place of Presentation
  東京
- Year and Date
  2014-09-02 – 2014-09-05
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Ferromagnetic resonance on nanosized Co/Pt multilayer dot
- Author(s)
  N. Kikuchi, M. Furuta, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  59th Magnetism and Magnetic Materials Conference
- Place of Presentation
  Honolulu, USA
- Year and Date
  2014-11-03 – 2014-11-07
- Data Source
  KAKENHI-PROJECT-24686038
[Presentation] Microwave assisted magnetization switching based on non-uniform precession mode in layered nanodot
- Author(s)
  M. Furuta, S. Okamoto, N. Kikuchi, O. Kitakami, T. Shimatsu
- Organizer
  59th Magnetism and Magnetic Materials Conference
- Place of Presentation
  Honolulu, USA
- Year and Date
  2014-11-03 – 2014-11-07
- Data Source
  KAKENHI-PROJECT-24686038
[Presentation] Magnetic characteristics and grain structures of FePt-(B, C)/FePt-C stacked granular films
- Author(s)
  A. Furuta, H. Kikuchi, H. Kataoka, T. Ono, N. Kikuchi, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  The 59th Annual Magnetism and Magnetic Materials Conference
- Place of Presentation
  USA,Ｈｏｎｏｌｕｌｕ
- Year and Date
  2014-11-03 – 2014-11-07
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] マイクロ波アシスト磁化反転における解析的考察と実験検証
- Author(s)
  岡本聡, 古田正樹, 菊池伸明, 北上修, 島津武仁
- Organizer
  電子情報通信学会 MR研究会
- Place of Presentation
  仙台
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Microwave assisted magnetization switching based on non-uniform precession mode in layered nanodot
- Author(s)
  M. Furuta, S. Okamoto, N. Kikuchi, O. Kitakami, and T. Shimatsu
- Organizer
  59th Annual Conference on Magnetism and Magnetic Materials MMM2015
- Place of Presentation
  Honolulu, USA
- Year and Date
  2014-11-03 – 2014-11-07
- Data Source
  KAKENHI-PROJECT-26289083
[Presentation] Co/Pt ナノドットの強磁性共鳴測定
- Author(s)
  菊池伸明，古田正樹，岡本聡，北上修，島津武仁
- Organizer
  日本磁気学会学術講演会
- Place of Presentation
  東京
- Year and Date
  2014-09-02 – 2014-09-05
- Data Source
  KAKENHI-PROJECT-26289083
[Presentation] Nd-Fe-B薄膜およびNd-Fe-B/Nd薄膜の磁気粘性測定
- Author(s)
  後藤龍太, 岡本　聡, 菊池伸明, 北上　修
- Organizer
  日本磁気学会
- Place of Presentation
  東京
- Year and Date
  2014-09-02 – 2014-09-05
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Quantized spin wave modes on nanosized Co/Pt multilayer dots
- Author(s)
  N. Kikuchi, M. Furuta, S. Okamoto, O. Kitakami, and T. Shimatsu
- Organizer
  59th Annual Conference on Magnetism and Magnetic Materials MMM2015
- Place of Presentation
  Honolulu, USA
- Year and Date
  2014-11-03 – 2014-11-07
- Data Source
  KAKENHI-PROJECT-26289083
[Presentation] Switching dynamics of Co/Pt nanodots under the assistance of rf field
- Author(s)
  S. Okamoto, M. Furuta, N. Kikuchi, O. Kitakami, and T. Shimatsu
- Organizer
  Moscow International Symposium on Magnetism MISM-2014
- Place of Presentation
  Moscow, Russia
- Year and Date
  2014-06-29 – 2014-07-03
- Invited
- Data Source
  KAKENHI-PROJECT-26289083
[Presentation] Energy barrier analyses on highly oriented Nd-Fe-B thin films with and without Nd overlayer
- Author(s)
  R. Goto, S. Okamoto, N. Kikuchi, O. Kitakami
- Organizer
  The 59th Annual Magnetism and Magnetic Materials Conference
- Place of Presentation
  USA,Ｈｏｎｏｌｕｌｕ
- Year and Date
  2014-11-03 – 2014-11-07
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Size dependence of switching behaviors of Co/Pt nanodots under the assistance of radio frequency fields
- Author(s)
  M. Furuta, S. Okamoto, N. Kikuchi, O. Kitakami, T. Shimatsu
- Organizer
  2014 IEEE International Conference on Microwave Magnetics
- Place of Presentation
  Senda, Japan
- Year and Date
  2014-11-03 – 2014-11-07
- Data Source
  KAKENHI-PROJECT-24686038
[Presentation] Co/Ptナノドットの強磁性共鳴測定
- Author(s)
  菊池伸明, 古田正樹, 岡本　聡, 北上　修, 島津武仁
- Organizer
  日本磁気学会
- Place of Presentation
  東京
- Year and Date
  2014-09-02 – 2014-09-05
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] 積層磁性ドットにおけるマイクロ波アシスト磁化反転
- Author(s)
  古田正樹，岡本聡，菊池伸明，北上修，島津武仁
- Organizer
  第38回日本磁気学会学術講演会
- Place of Presentation
  横浜
- Year and Date
  2014-09-02 – 2014-09-05
- Data Source
  KAKENHI-PROJECT-24686038
[Presentation] CoPt/Ru 垂直磁化膜のVNA-FMR
- Author(s)
  草薙勇作，岡本聡，菊池伸明，北上修，加藤剛志，岩田聡
- Organizer
  日本磁気学会学術講演会
- Place of Presentation
  東京
- Year and Date
  2014-09-02 – 2014-09-05
- Data Source
  KAKENHI-PROJECT-26289083
[Presentation] Microwave Assisted Magnetization Switching in Co/Pt Nanodot
- Author(s)
  岡本聡
- Organizer
  The Magnetic Recording Conference 2012
- Place of Presentation
  San Jose, USA
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Switching behavior of single Co/Pt nanodot under microwave assistance
- Author(s)
  岡本聡
- Organizer
  ICAUMS 2012
- Place of Presentation
  奈良
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Co/Pt多層膜とCoPt/Ru膜のVNA-FMR
- Author(s)
  草薙　勇作, 岡本　聡, 菊池　伸明, 北上　修, 加藤　剛志, 岩田　聡
- Organizer
  電気学会マグネティクス研究会
- Place of Presentation
  北九州
- Year and Date
  2014-08-04 – 2014-08-05
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] Time dependent coercivity of granular media in a time scale from nanosecond to sub-millisecond regime
- Author(s)
  N. Kikuchi, A. Hotta, K. Kadonosawa, M. Furuta, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  58TH Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  Denver, USA
- Data Source
  KAKENHI-PROJECT-24686038
[Presentation] Ferromagnetic resonance on nanosized Co/Pt multilayer dots
- Author(s)
  N. Kikuchi, M. Furuta, S. Okamoto, O. Kitakami, T. Shimatsu
- Organizer
  The 59th Annual Magnetism and Magnetic Materials Conference
- Place of Presentation
  USA,Ｈｏｎｏｌｕｌｕ
- Year and Date
  2014-11-03 – 2014-11-07
- Data Source
  KAKENHI-PROJECT-24360261
[Presentation] マイクロ波アシストにおける垂直磁化ナノドットの磁化反転挙動
- Author(s)
  岡本聡, 古田正樹, 菊池伸明, 北上修, 島津武仁
- Organizer
  RC第35回技術報告会
- Place of Presentation
  東京
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Microwave assisted magnetization switching on perpendicular magnetic dots
- Author(s)
  岡本聡
- Organizer
  CCMR2012
- Place of Presentation
  Souel, Korea
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Microwave assisted magnetization switching on perpendicular magnetic nanodots
- Author(s)
  岡本聡
- Organizer
  IEEE Magnetics Society 名古屋支部若手研究会
- Place of Presentation
  名古屋
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] 垂直磁化磁性体におけるマイクロ波アシスト磁化反転
- Author(s)
  岡本聡
- Organizer
  電子情報通信学会 CPM研究会
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Rise time effect on magnetization reversal of Co/Pt multilayer nanodots by nanoseconds pulse fields
- Author(s)
  N. Kikuchi, S. Okamoto, M. Furuta, O. Kitakami, T. Shimatsu
- Organizer
  Magnetics and Optics Research International Symposium
- Place of Presentation
  大宮
- Invited
- Data Source
  KAKENHI-PROJECT-24686038
[Presentation] Co/Ptナノドットの強磁性共鳴測定
- Author(s)
  菊池伸明，古田正樹，岡本聡，北上修，島津武仁
- Organizer
  第38回日本磁気学会学術講演会
- Place of Presentation
  横浜
- Year and Date
  2014-09-02 – 2014-09-05
- Data Source
  KAKENHI-PROJECT-24686038
[Presentation] 垂直磁気異方性を有するナノ磁性ドットを用いたマイクロ波アシスト磁化反転
- Author(s)
  岡本聡
- Organizer
  マグネティクス研究会
- Place of Presentation
  函館
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] 異常Hall 効果による垂直磁化ナノドットの磁化反転ダイナミクス計測と軟X 線MCD 同時計測の展望
- Author(s)
  岡本聡
- Organizer
  GIGNO 研究領域創成ワークショップ
- Place of Presentation
  東京
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] 積層磁性ドットにおけるマイクロ波アシスト磁化反転
- Author(s)
  古田正樹，岡本聡，菊池伸明，北上修，島津武仁
- Organizer
  日本磁気学会学術講演会
- Place of Presentation
  東京
- Year and Date
  2014-09-02 – 2014-09-05
- Data Source
  KAKENHI-PROJECT-26289083
[Presentation] マイクロ波アシストにおけるCo/Ptナノドットの磁化反転挙動
- Author(s)
  岡本聡
- Organizer
  日本磁気学会第186回研究会
- Place of Presentation
  東京
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Switching behavior of single Co/Pt nanodot under microwave assistance
- Author(s)
  岡本聡
- Organizer
  Intermag/MMM Joint Conference
- Place of Presentation
  Chicago, USA
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Co/Pt ナノドットにおけるマイクロ波アシスト磁化反転挙動のサイズ依存性
- Author(s)
  古田正樹，岡本聡，菊池伸明，北上修，島津武仁
- Organizer
  電気学会A部門大会
- Place of Presentation
  長野
- Year and Date
  2014-08-21 – 2014-08-22
- Data Source
  KAKENHI-PROJECT-24686038
[Presentation] erromagnetic resonance measurements on single nanoscale Co/Pt dots with perpendicular anisotropy
- Author(s)
  N. Kikuchi, S. Okamoto, M. Furuta, O. Kitakami, T. Shimatsu
- Organizer
  INTERMAG Europe 2014
- Place of Presentation
  Dresden, Germany
- Year and Date
  2014-05-04 – 2014-05-08
- Data Source
  KAKENHI-PROJECT-24686038
[Presentation] マイクロ波アシスト磁化反転技術の現状と課題
- Author(s)
  岡本聡, 古田正樹, 菊池伸明, 北上修, 島津武仁
- Organizer
  DEMA クオータリーセミナー
- Place of Presentation
  東京
- Invited
- Data Source
  KAKENHI-PROJECT-23360131
[Presentation] Nd-Fe-Bドットのナノ秒パルス磁場による磁化反転
- Author(s)
  門ノ沢和也, 東　佑, 菊池伸明, 後藤龍太, 岡本　聡, 北上　修
- Organizer
  日本磁気学会
- Place of Presentation
  東京
- Year and Date
  2014-09-02 – 2014-09-05
- Data Source
  KAKENHI-PROJECT-24360261

1. KIKUCHI Nobuaki (80436170)

# of Collaborated Projects: 13 results

# of Collaborated Products: 221 results
2. KITAKAMI Osamu (70250834)

# of Collaborated Projects: 12 results

# of Collaborated Products: 225 results
3. SHIMATSU Takehito (50206182)

# of Collaborated Projects: 7 results

# of Collaborated Products: 105 results
4. SHIMADA Yutaka (00006157)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
5. KATO Takeshi (50303665)

# of Collaborated Projects: 2 results

# of Collaborated Products: 5 results
6. YANAGIHARA Mihiro (40174552)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. FUKAMICHI Kazuaki (00005969)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. Nakamura Tetsuya (70311355)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
9. 大谷義近 (60245610)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 小谷佳範 (10596464)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
11. 野村光 (20506258)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
12. 吉田栄吉 (70500867)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 田丸慎吾 (70773802)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 西野正理 (80391217)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 宮下精二 (10143372)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 林雄二郎 (30435953)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 鈴木基寛 (60443553)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 谷口卓也 (00981929)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. SATO KIMINORI

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. Sato Rie

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
21. 萩野谷千積

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. SHARMA Parmanand

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
23. 佐藤和久

# of Collaborated Projects: 0 results

# of Collaborated Products: 8 results
24. 牧野彰宏

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
25. 張岩

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Okamoto Satoshi 岡本 聡

OKAMOTO Satoshi 岡本 聡

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永久磁石の3次元マルチモーダル測定とデータ科学手法による統合解析Principal Investigator

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Energy loss analysis in soft magnetic particles for high frequency region and development of its design methodPrincipal Investigator

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Feasibility study on multilevel memory based on skyrmion dynamicsPrincipal Investigator

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Engineering technology for high frequency spin dynamicsPrincipal Investigator

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Development of high-efficiency techniques of microwave-assisted magnetization switchingPrincipal Investigator

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Magnetization switching under the assistance of rf field and its feasiility for high density recordingPrincipal Investigator

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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Principal Investigator

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Okamoto Satoshi 岡本聡

OKAMOTO Satoshi 岡本聡