Sakuma Akimasa 佐久間昭正

… Alternative Names

SAKUMA Akimasa 佐久間昭正

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Researcher Number	30361124
Other IDs
External Links
Affiliation (Current)	2025: 東北大学, グリーンクロステック研究センター, 学術研究員
Affiliation (based on the past Project Information) *help	2023: 東北大学, 工学研究科, 学術研究員 2021 – 2022: 東北大学, 工学研究科, シニア研究員 2016 – 2020: 東北大学, 工学研究科, 教授 2012 – 2015: 東北大学, 工学(系)研究科(研究院), 教授 2014: 東北大学, 大学院工学研究科, 教授 … More 2003 – 2012: Tohoku University, Graduate School of Engineering, Professor, 大学院・工学研究科, 教授 2008: 東北大学, 大学院工学研究科, 教授 2006 – 2008: 東北大学, 工学研究科, 教授 2005 – 2006: 東北大学, 大学院工学研究科, 教授 Less
Review Section/Research Field	Principal Investigator Physical properties of metals/Metal-base materials / Medium-sized Section 21:Electrical and electronic engineering and related fields / Broad Section C / Physical properties of metals / Applied materials science/Crystal engineering / Science and Engineering Except Principal Investigator Condensed matter physics II / Electronic materials/Electric materials / Science and Engineering / Physical properties of metals/Metal-base materials / Nanomaterials/Nanobioscience / Physical properties of metals / Microdevices/Nanodevices
Keywords	Principal Investigator 第一原理計算 / 希土類フリー / 軽元素 / 磁石 / 永久磁石 / 磁気異方性 / スピン軌道相互作用 / 遷移金属 / スピン動力学 / ギルバート緩和 … More / 異常ホール効果 / 結晶磁気異方性 / 電子状態 / 磁性人工格子 / スピントロニクス / 保磁力 / 反応機構 / 磁性 / 物質合成 / Mn合金 / ハード磁性材料 / 希土類 / 磁性材料 / レアースフリー / レアアースフリー / 固相気相反応 / レアアース / 窒化鉄 / 有限温度磁性 / スピントルク / スピンポンピング / スピン流 / トルク相関法 / 磁気緩和 / ホイスラー合金 / 電気伝導度 / 異常磁気抵抗効果 / スピン分極率 / 電気伝導 / ナノコンポジット磁石 / 交換スプリング磁石 / Nd_2Fe_<14>B / 希土類磁石 / スピンエレクトロニクス / 磁気構造 / 電子状熊 / GMT,TMR / 磁性薄膜 / 磁性体 / s-d相互作用 / 希薄磁性半導体 / 磁気的相互作用 / 交換相互作用 / 局所密度汎関数法 / 3d遷移金属系磁性体 / 希土類系磁性体 … More Except Principal Investigator ナノ磁性 / ナノ材料 / スピン流 / 窒化鉄 / 銅酸化物超伝導体 / 不均一超伝導 / ナノ粒子 / 第一原理計算 / 物性理論 / 磁性 / 浸炭 / 飽和磁化 / 軟磁性 / 鉄 / 磁化 / 固相気相反応 / マルテンサイト / 侵入型化合物 / ソフト磁性材料 / 窒化 / 炭化 / 保磁力 / 磁気異方性 / 永久磁石 / ハード磁性材料 / 電子・電気材料 / サイト選択性 / 高飽和磁化材料 / 磁性材料 / 微粒子 / 多元系窒化鉄 / 磁気特性 / high-Tc cuprates / inhomogeneous superconductivity / Condensed matter theory / Photoelectron emission microscopy / Micro-magnetic simulation / First-principles calculation / Magnetic domain wall / Spin current / Spin dynamics / Spin-electronics / Nano-materials / シミュレーション / 磁性流体 / スピン・ダイナミクス / スピン依存電気伝導 / ノンコリニア磁性 / マイクロ磁気シミュレーション / 放射光電子顕微鏡 / マイクロ磁気シュミレーション / 磁壁 / スピンダイナミクス / スピンエレクトロニクス / electrical resistivity / electronic specific heat coefficient / magnetic structure / band structures / Neel temperature / Mn system alloys / 結晶歪み / 電気抵抗 / 電子比熱係数 / 磁気構造 / バンド構造 / ネール温度 / Mn系合金 / 赤外線加熱プロセス / スパッタ成膜 / Kerr効果 / 結晶構造 / 窒化鉄薄膜 / 磁気緩和 / スピンポンピング / ナノストラノプ / スピン・ネマティック状態 / 超流動・モット絶縁体転移 / 光格子 / 冷却原子気体 / 分数量子化磁束芯 / カイラルp波超伝導 / 準粒子干渉効果 / ナノストライプ / 巨大磁気違方性 / イオンビーム誘起CVD法 / イオンビーム / 巨大磁気異方性 / 強磁性 / 輸送特性 / 表面・界面 / 輸送 / スピントロニクス / Ca349 / Er123 / 超磁歪 / CeAl_2 / 量子臨界点 / Nd_2Fe_<14>B / 交換相互作用エネルギー / 密度汎関数法 / 強相関電子系 / パノスコピック制御 / 希土類物質 Less

Establishment of the new method for material synthesis utilizing light elements and their expansion to develop rare-earth-free magnetPrincipal Investigator
- Principal Investigator
  
  Sakuma Akimasa
- Project Period (FY)
  2019 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (S)
- Review Section
  
  Broad Section C
- Research Institution
  Tohoku University
軽元素を利用した新しい物質合成法の反応メカニズムの解明と磁石材料設計指針の構築Principal Investigator
- Principal Investigator
  
  佐久間昭正
- Project Period (FY)
  2019
- 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
Synthesis and magnetic properties of multi-element iron nitride nanoparticles by controll of site selectivity and degree of order
- Principal Investigator
  
  DOI MASAAKI
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Physical properties of metals/Metal-base materials
- Research Institution
  Tohoku Gakuin University
Synthesis of high saturation magnetization Fe nano soft magnetic nanoparticles with interstitial solid solution of Carbon and Oxygen
- Principal Investigator
  
  TOBISE Masahiro
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Tohoku University
Microscopic study on the Gilbert damping constant for the inhomogeneous spin synamicsPrincipal Investigator
- Principal Investigator
  
  SAKUMA Akimasa
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Physical properties of metals/Metal-base materials
- Research Institution
  Tohoku University
First principles calculation for the magnetic damping constants of transition metal alloys and magnetic multilayersPrincipal Investigator
- Principal Investigator
  
  Sakuma Akimasa
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Physical properties of metals/Metal-base materials
- Research Institution
  Tohoku University
Magnetic damping control of ferromagnetic thin films with negative spin polarization and development of highly efficient spin-current generator
- Principal Investigator
  
  ISOGAMI Shinji
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Microdevices/Nanodevices
- Research Institution
  Fukushima National College of Technology
First-principles calculation of conductivity of magnetic alloys and magnetic multilayersPrincipal Investigator
- Principal Investigator
  
  SAKUMA Akimasa
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Physical properties of metals
- Research Institution
  Tohoku University
emergence of hidden orders in strongly correlated superconductors ; from sub-nano scale to bulk systems
- Principal Investigator
  
  TSUCHIURA Hiroki
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Condensed matter physics II
- Research Institution
  Tohoku University
Theoretical study on the inter-grain magnetic interaction in the panoscopic assembled rare earth magnetic materialsPrincipal Investigator
- Principal Investigator
  
  SAKUMA Akimasa
- Project Period (FY)
  2008
- Research Institution
  Tohoku University
Theoretical study on the magnetic structures at the interfaces of magnetic multi-layers and the spin dynamicsPrincipal Investigator
- Principal Investigator
  
  SAKUMA Akimasa
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Applied materials science/Crystal engineering
- Research Institution
  Tohoku University
Anomalous properties in high-Tc cuprates due to inhomogeneous electronic states
- Principal Investigator
  
  TSUCHIURA Hiroki
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Condensed matter physics II
- Research Institution
  Tohoku University
Development of the methods for designing spintronics devices and analyzing spin-polarized current
- Principal Investigator
  
  ABE Kazutaka
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  Tohoku University
Fabrication and Magnetism of Fine Nano-Particles by Ion-Beam Induced CVD
- Principal Investigator
  
  鈴木孝雄
- Project Period (FY)
  2005 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Toyota Technological Institute
パノスコピック形態制御された希土類系物質の電磁物性とその高次機能設計
- Principal Investigator
  
  福永博俊
- Project Period (FY)
  2004 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  Nagasaki University
パノスコピック形態制御希土類系磁性体における粒間磁気相互作用の電子論的研究Principal Investigator
- Principal Investigator
  
  佐久間昭正
- Project Period (FY)
  2004 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  Tohoku University
Theoretical studies on spin-structure and dynamics in nano-scale magnetic materials
- Principal Investigator
  
  SHIRAI Masafumi
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Nanomaterials/Nanobioscience
- Research Institution
  Tohoku University
Fundamental physical properties of Mn system alloys with platinum group element
- Principal Investigator
  
  FUKAMACHI Kazuaki
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Physical properties of metals
- Research Institution
  Tohoku University

[Book] Connection between electronic structure calculation and micromagnetic equation2024
- Author(s)
  Akimasa Sakuma
- Total Pages
  86
- Publisher
  Springer
- Data Source
  KAKENHI-PROJECT-19H05612
[Book] 磁気便覧（第１．7章「磁気伝導現象の基礎」）2016
- Author(s)
  佐久間　昭正
- Total Pages
  904
- Publisher
  丸善
- Data Source
  KAKENHI-PROJECT-25420686
[Book] 磁性の電子論2010
- Author(s)
  佐久間昭正
- Total Pages
  343
- Publisher
  共立出版
- Data Source
  KAKENHI-PROJECT-22560654
[Book] HANDBOOK OF ADVANCED MAGNETIC MATERIALS Vol.2, Chapter 12.Antiferromagnetism of Mn Alloys2006
- Author(s)
  Akimasa Sakuma, Kazuaki Fukamichi
- Publisher
  Springer, New York
- Data Source
  KAKENHI-PROJECT-16080106
[Book] HANDBOOK OF ADVANCED MAGNETIC MATERIALS Vol.2, Chapter 12. Antiferromagnetism of Mn Alloys2006
- Author(s)
  Akimasa Sakuma
- Total Pages
  61
- Publisher
  Springer, New York
- Data Source
  KAKENHI-PROJECT-16080203
[Book] Handbook of Advanced Magnetic Materials, Vol.2. Characterization and Simulation, Chapter 12. Antiferromagnetism of Mn Alloys2006
- Author(s)
  A.Sakuma, K.Fukamichi
- Total Pages
  61
- Publisher
  Springer-Verlag
- Data Source
  KAKENHI-PROJECT-16310081
[Book] Handbook of Advanced Magnetic Materials, Vol.2, Characterization and Simulation, Chapter 12. Antiferromagnetism of Mn alloys2006
- Author(s)
  A.Sakuma
- Total Pages
  61
- Publisher
  Springer-Verlag
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Book] Chapter 12.Antiferromagnetism of Mn alloys, Handbook of Advanced Magnetic Materials, Vol.2,Characterization and Simulation2006
- Author(s)
  A.Sakuma
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Evaluation of the Exchange Stiffness Constants of Itinerant Magnets at Finite Temperatures from the First-Principles Calculations2024
- Author(s)
  Sakuma Akimasa
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 93 Issue: 5
- DOI
  10.7566/jpsj.93.054705
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H05612
[Journal Article] Study of ground state magnetic structure of L10-type MnAl via spin-spiral density wave2023
- Author(s)
  Yamashita Shogo、Sakuma Akimasa
- Journal Title
  
  Applied Physics Express
  
  Volume: 16 Issue: 8 Pages: 083002-083002
- DOI
  10.35848/1882-0786/aced7b
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H05612
[Journal Article] Effects of local distortion on magnetocrystalline anisotropy in α″-Fe16N2: a first-principles study2023
- Author(s)
  Kota Yohei、Sakuma Akimasa
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 62 Issue: 12 Pages: 1-3
- DOI
  10.35848/1347-4065/ad1012
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K15017, KAKENHI-PROJECT-19H05612
[Journal Article] Finite-temperature second-order perturbation analysis of magnetocrystalline anisotropy energy of L10-type ordered alloys2023
- Author(s)
  Yamashita Shogo、Sakuma Akimasa
- Journal Title
  
  Physical Review B
  
  Volume: 108 Issue: 5
- DOI
  10.1103/physrevb.108.054411
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H05612
[Journal Article] First-principles study on the effects of atomic configuration on the magnetic anisotropy energy of (Fe,Co)16(N,C)2 alloys2023
- Author(s)
  Sakuma Akimasa
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 133 Issue: 20
- DOI
  10.1063/5.0148954
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H05612
[Journal Article] Temperature Variation of Gilbert Damping Constant in 3d Transition Metals from First Principles2023
- Author(s)
 Hiramatsu Ryoya、Miura Daisuke、Sakuma Akimasa
- Journal Title
 
 Journal of the Physical Society of Japan
 
 Volume: 92 Issue: 4 Pages: 044704-044704
- DOI
 10.7566/jpsj.92.044704
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19H05612, KAKENHI-PROJECT-21K04624
[Journal Article] First-Principles Calculation of Transport Properties of Heusler Alloy Co2MnAl at Finite Temperatures2022
- Author(s)
 Sakuma Akimasa、Miura Daisuke
- Journal Title
 
 Journal of the Physical Society of Japan
 
 Volume: 91 Issue: 8 Pages: 084701-084701
- DOI
 10.7566/jpsj.91.084701
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-21K04624, KAKENHI-PROJECT-19H05612
[Journal Article] Temperature Dependence of Magnetocrystalline Anisotropy in Itinerant Ferromagnets2022
- Author(s)
  Miura Daisuke、Sakuma Akimasa
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 91 Issue: 2 Pages: 023706-023706
- DOI
  10.7566/jpsj.91.023706
- NAID
  210000159590
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K04624, KAKENHI-PROJECT-19H05612
[Journal Article] Perpendicularly Polarized Spin Hall Effects Induced by Spin-Dependent Scattering in Ferromagnetic Metals2022
- Author(s)
  Yahagi Yuta、Miura Daisuke、Sakuma Akimasa
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 91 Issue: 8 Pages: 083701-083701
- DOI
  10.7566/jpsj.91.083701
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K04624, KAKENHI-PROJECT-19H05612
[Journal Article] First-principles prediction of magnetic properties in Fe(Co,Ni)(C,N)0.5 alloys2022
- Author(s)
 Kota Yohei、Sakuma Akimasa
- Journal Title
 
 Applied Physics Letters
 
 Volume: 120 Issue: 13 Pages: 132405-132405
- DOI
 10.1063/5.0082398
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20K15017, KAKENHI-PROJECT-19H05612
[Journal Article] First-Principles Study for Finite Temperature Magnetrocrystaline Anisotropy of L10-Type Ordered Alloys2022
- Author(s)
 Yamashita Shogo、Sakuma Akimasa
- Journal Title
 
 Journal of the Physical Society of Japan
 
 Volume: 91 Issue: 9
- DOI
 10.7566/jpsj.91.093703
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-19H05612
[Journal Article] Theoretical Study of Temperature Dependence of Spin Susceptibility in Anisotropic Itinerant Ferromagnets2021
- Author(s)
  Miura Daisuke、Sakuma Akimasa
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 90 Issue: 11 Pages: 113601-113601
- DOI
  10.7566/jpsj.90.113601
- NAID
  210000159411
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K04624, KAKENHI-PROJECT-19H05612
[Journal Article] First-principles calculations for Gilbert damping constant at finite temperature2021
- Author(s)
  Hiramatsu Ryoya、Miura Daisuke、Sakuma Akimasa
- Journal Title
  
  Applied Physics Express
  
  Volume: 15 Issue: 1 Pages: 013003-013003
- DOI
  10.35848/1882-0786/ac4205
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19J20596, KAKENHI-PROJECT-21K04624, KAKENHI-PROJECT-19H05612
[Journal Article] Role of atomic-scale thermal fluctuations in the coercivity2020
- Author(s)
  Y. Toga, S. Miyashita, A. Sakuma and T. Miyake
- Journal Title
  
  npj Computational Materials
  
  Volume: 6 Issue: 1 Pages: 1-7
- DOI
  10.1038/s41524-020-0325-6
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K03444, KAKENHI-PROJECT-20K05311, KAKENHI-PROJECT-19H05612, KAKENHI-PROJECT-16H06345
[Journal Article] Detecting quadrupole: a hidden source of magnetic anisotropy for Manganese alloys2020
- Author(s)
  J. Okabayashi, Y. Miura, Y. Kota, K.Z. Suzuki, A. Sakuma and S. Mizukami
- Journal Title
  
  Scientific Reports
  
  Volume: 10 Issue: 1
- DOI
  10.1038/s41598-020-66432-9
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H06332, KAKENHI-PROJECT-19H05612
[Journal Article] Non-collinearity Effects on Magnetocrystalline Anisotropy for R2Fe14B Magnets2019
- Author(s)
  Miura Daisuke、Sakuma Akimasa
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 88 Issue: 4 Pages: 044804-044804
- DOI
  10.7566/jpsj.88.044804
- NAID
  120006873283
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H05612, KAKENHI-PROJECT-17K14800
[Journal Article] Theoretical Study of Gilbert Damping Constants in Magnetic Multilayer Films2019
- Author(s)
  Ozaki Dai、Miura Daisuke、Sakuma Akimasa
- Journal Title
  
  IEEE Transactions on Magnetics
  
  Volume: 55 Issue: 7 Pages: 1-5
- DOI
  10.1109/tmag.2019.2893370
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H05612, KAKENHI-PROJECT-17K14800
[Journal Article] Analytic expression for magnetic activation energy2019
- Author(s)
  Miura Daisuke、Sakuma Akimasa
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 58 Issue: 5 Pages: 058002-058002
- DOI
  10.7567/1347-4065/aaffed
- NAID
  210000155615
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H05612, KAKENHI-PROJECT-17K14800
[Journal Article] Theoretical Study of Gilbert Damping in Rare-Earth Permanent Magnets2019
- Author(s)
  Fumiya Saito, Daisuke Miura, and Akimasa Sakuma
- Journal Title
  
  IEEE TRANSACTION ON MAGNETICS
  
  Volume: 印刷中 Issue: 7 Pages: 1-4
- DOI
  10.1109/tmag.2019.2892493
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K06702, KAKENHI-PROJECT-19H05612, KAKENHI-PROJECT-17K14800
[Journal Article] Theoretical Study of Gilbert Damping Constants in Magnetic Multilayer Films2019
- Author(s)
  Dai Ozaki, Daisuke Miura, Akimasa Sakuma
- Journal Title
  
  IEEE TRANSACTION ON MAGNETICS
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K06702
[Journal Article] Theoretical study on the perpendicular anisotropic magnetoresistance using Rashba-type ferromagnetic model2018
- Author(s)
  Y. Yahagi, D. Miura, and A. Sakuma
- Journal Title
  
  AIP Advances
  
  Volume: 8 Issue: 5 Pages: 055822-055822
- DOI
  10.1063/1.5007179
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06702, KAKENHI-PROJECT-17K14800
[Journal Article] First principles calculation for Gilbert damping constants in ferromagnetic/non-magnetic junctions2018
- Author(s)
  R. Hiramatsu, D. Miura, and A. Sakuma
- Journal Title
  
  AIP Advances
  
  Volume: 8 Issue: 5 Pages: 056016-056016
- DOI
  10.1063/1.5007255
- NAID
  130006708732
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06702, KAKENHI-PROJECT-17K14800
[Journal Article] emperature Dependence of Anomalous Hall Conductivity in Rashba-type Ferromagnets2018
- Author(s)
  Akimasa Sakuma
- Journal Title
  
  J. Phys. Soc. Jpn.
  
  Volume: 87 Issue: 3 Pages: 034705-034705
- DOI
  10.7566/jpsj.87.034705
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K06702
[Journal Article] Effects of spin fluctuation on the magnetic anisotropy constant of itinerant electron magnets2016
- Author(s)
  Naofumi Kobayashi, Kazushige Hyodo, and Akimasa Sakuma
- Journal Title
  
  Jpn. J. Appl. Phys.
  
  Volume: 55 Issue: 10 Pages: 100306-100306
- DOI
  10.7567/jjap.55.100306
- NAID
  210000147113
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K06702
[Journal Article] Influence of L10 order parameter on Gilbert damping constants for FePd thin films investigated by means of time-resolved magneto-optical Kerr effect2016
- Author(s)
  Satoshi Iihama, Akimasa Sakuma, Hiroshi Naganuma, Mikihiko Oogane, Shigemi Mizukami, and Yasuo Ando
- Journal Title
  
  Physical Review B
  
  Volume: 94 Issue: 17 Pages: 1744251-11
- DOI
  10.1103/physrevb.94.174425
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16J07881, KAKENHI-PROJECT-16K06702
[Journal Article] First-principles evaluation of intrinsic, side-jump, and skew-scattering parts of anomalous Hall conductivities in disordered alloys2016
- Author(s)
  K. Hyodo, A. Sakuma, Y. Kota
- Journal Title
  
  Phys. Rev. B
  
  Volume: 94 Issue: 10
- DOI
  10.1103/physrevb.94.104404
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-16K06702
[Journal Article] Gilbert damping of ferromagnetic metals incorporating inhomogeneous dynamics2015
- Author(s)
  N. Umetsu, D. Miura, and A. Sakuma
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 117 Issue: 17
- DOI
  10.1063/1.4916499
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-12J05058, KAKENHI-PROJECT-25420686
[Journal Article] Spin-wave-induced spin torque in Rashba ferromagnets2015
- Author(s)
  Nobuyuki Umetsu, Daisuke Miura, and Akimasa Sakuma
- Journal Title
  
  Physical Review B
  
  Volume: 91 Issue: 17
- DOI
  10.1103/physrevb.91.174440
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25420686
[Journal Article] First-principles study of the Gilbert damping constants of Heusler alloys based on the torque correlation model2015
- Author(s)
  Akimasa Sakuma
- Journal Title
  
  Journal of Physics D
  
  Volume: 48
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25420686
[Journal Article] Theoretical evaluation of perpendicular magnetic anisotropy of bct-Fe50Co50 stacked on Rh2015
- Author(s)
  K. Hyodo, Y. Kota, and A. Sakuma
- Journal Title
  
  Journal of Magnetic Society of Japan
  
  Volume: 39 Pages: 37-43
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25420686
[Journal Article] Theoretical investigation on the relationship between the torque correlation and spin correlation models for the Gilbert damping constant2015
- Author(s)
  Akimasa Sakuma
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 117 Issue: 1
- DOI
  10.1063/1.4905429
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25420686
[Journal Article] Dependence of Magnetic Damping on Temperature and Crystal Orientation in Epitaxial Fe4N Thin Films2014
- Author(s)
  S. Isogami, M. Tsunoda, M. Oogane, A. Sakuma, and M. Takahashi
- Journal Title
  
  Journal of Magnetic Society of Japan
  
  Volume: 38 Pages: 162-168
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25420686
[Journal Article] First-principles study on the relationship between magnetic a nisotropy and anomalous Hall effect of bct-Fe_<50>Co_<50>2014
- Author(s)
 Kazushige Hyodo, Yohei Kota and Akimasa Sakuma
- Journal Title
 
 Journal of Applied Physics
 
 Volume: 115 Issue: 17
- DOI
 10.1063/1.4862218
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-13J03505, KAKENHI-PROJECT-25420686
[Journal Article] Mechanism of Uniaxial Magnetocrystalline Anisotropy in Transition Metal Alloys2014
- Author(s)
  Yohei Kota and Akimasa Sakuma
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 83 Issue: 3 Pages: 034715-034715
- DOI
  10.7566/jpsj.83.034715
- NAID
  210000133013
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25420686
[Journal Article] Temperature and crystal orientation dependence of magnetic damping in epitaxial Fe4N thin film2014
- Author(s)
  S. Isogami, M. Tsunoda, M. Oogane, A. Sakuma and M. Takahashi
- Journal Title
  
  Journal of Magnetics Society of Japan
  
  Volume: 38 Pages: 162-168
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24710154
[Journal Article] The Enhancement of Magnetic Damping in Fe_4N Films with Increasing Thickness2013
- Author(s)
  S. Isogami, M. Tsunoda, M. Oogane, A. Sakuma, and M. Takahashi
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 52 Issue: 7R Pages: 073001-073003
- DOI
  10.7567/jjap.52.073001
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23360130, KAKENHI-PROJECT-24246002, KAKENHI-PROJECT-24710154
[Journal Article] Microscopic Theory of Gilbert Damping for TRansition metal Systems2013
- Author(s)
  Akimasa Sakuma
- Journal Title
  
  Journal of the Magnetic Society of Japan
  
  Volume: 37 Pages: 343-351
- NAID
  130004502867
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25420686
[Journal Article] Fast magnetization precession for perpendicularly magnetized MnAlGe epitaxial films with atomic layered structures,2013
- Author(s)
  S. Mizukami, A. Sakuma, T. Kubota, Y. Kondo, A. Sugihara, and T. Miyazaki
- Journal Title
  
  Appl. Phys. Lett.
  
  Volume: 103 Issue: 14
- DOI
  10.1063/1.4824031
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24686001, KAKENHI-PROJECT-25420686
[Journal Article] Enhancement of Spin Pumping Efficiency in Fe_4N/Pt Bilayer Films2013
- Author(s)
  S. Isogami, M. Tsunoda, M. Oogane, A. Sakuma, and M. Takahashi
- Journal Title
  
  Applied Physics Express
  
  Volume: 6 Issue: 6 Pages: 063004-063007
- DOI
  10.7567/apex.6.063004
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23360130, KAKENHI-PROJECT-24246002, KAKENHI-PROJECT-24710154, KAKENHI-PROJECT-25420686
[Journal Article] Theoretical Verification of Magnetic Anisotropy in Tetragonal Fe-Co Alloys2013
- Author(s)
  Y. Kota, A. Sakuma
- Journal Title
  
  J. Magn. Soc. Jpn.
  
  Volume: 37 Issue: 2 Pages: 17-23
- DOI
  10.3379/msjmag.1302R001
- NAID
  130003369159
- ISSN
  1882-2924, 1882-2932
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-10J06092, KAKENHI-PROJECT-22560654
[Journal Article] Relationship between magnetocrystalline anisotropy and orbital magnetic moment in L1_0-type ordered and disordered alloys2012
- Author(s)
  Y. Kota, A. Sakuma
- Journal Title
  
  Journal of Physical Society of Japan
  
  Volume: 81 Issue: 8 Pages: 084705-084705
- DOI
  10.1143/jpsj.81.084705
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-10J06092, KAKENHI-PROJECT-22560654
[Journal Article] Degree of order dependence on magnetocrystalline anisotropy in body-centered tetragonal FeCo alloys2012
- Author(s)
  Y. Kota, A. Sakuma
- Journal Title
  
  Applied Physics Express
  
  Volume: 5 Issue: 11 Pages: 113002-113002
- DOI
  10.1143/apex.5.113002
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-10J06092, KAKENHI-PROJECT-22560654
[Journal Article] Effect of Spin Torque on Magnetization Awitching Speed Having Nonuniform Spin Distribution2012
- Author(s)
  Kazushige Hyodo, Chiharu Mitsumata and Akimasa Sakuma
- Journal Title
  
  IEEE TRANSACTION ON MAGNETICS
  
  Volume: 48 (11) Issue: 11 Pages: 3951-3954
- DOI
  10.1109/tmag.2012.2198913
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] First-Principles Study on the Gilbert Damping Constants of Transition Metal Alloys, Fe-Ni and Fe-Pt systems2012
- Author(s)
  Akimasa SAKUMA
- Journal Title
  
  Journal ofthe Physical Society of Japan
  
  Volume: 81(8) Issue: 8 Pages: 084701-084701
- DOI
  10.1143/jpsj.81.084701
- NAID
  40019380044
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Theoretical Study on Gilbert Damping of Nonuniform Magnetization Precession in Ferromagnetic Metals2012
- Author(s)
  梅津信之, 三浦大介, 佐久間昭正
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 81 Issue: 11 Pages: 114716-114716
- DOI
  10.1143/jpsj.81.114716
- NAID
  40019484604
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-12J05058, KAKENHI-PROJECT-22560654
[Journal Article] Anisotropic Magnetoresistance Effects in Fe, Co, Ni, Fe_4N and Half-Metallic Ferromagnet : A Systematic Analysis2012
- Author(s)
  Satoshi Kokado, Masakiyo Tsunoda, Kikuo Harigaya, Akimasa Sakuma
- Journal Title
  
  Journal of The Physical Society of Japan
  
  Volume: 81 Issue: 2 Pages: 024705-024705
- DOI
  10.1143/jpsj.81.024705
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20710076, KAKENHI-PROJECT-22560654, KAKENHI-PROJECT-23360130
[Journal Article] Magnetocrystalline anisotropy in FePtwith L10 ordering and tetragonal distortion2012
- Author(s)
  Yohei Kota and Akimasa Sakuma
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 111 Issue: 7
- DOI
  10.1063/1.3671436
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Microscopic theory for Gilbert damping in materials with inhomogeneous spin dynamics2012
- Author(s)
  Nobuyuki Umetsu, Daisuke Miura and Akimasa Sakuma
- Journal Title
  
  Journal of Applied Phyisics
  
  Volume: 111 Issue: 7
- DOI
  10.1063/1.3675999
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Charge and Spin Transport in Magnetic Tunnel Junctions:Microscopic Theory2012
- Author(s)
  Daisuke Miura and Akimasa Sakuma
- Journal Title
  
  Journal ofPhysical Society of Japan
  
  Volume: 81 Issue: 5 Pages: 054709-054709
- DOI
  10.1143/jpsj.81.054709
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Microscopic Theory of Magnon-Drag Thermoelectric Transport inFerromagnetic Metals2012
- Author(s)
  Daisuke Miura and Akimasa Sakuma
- Journal Title
  
  Journal ofPhysical Society of Japan
  
  Volume: 81 Issue: 11 Pages: 113602-113602
- DOI
  10.1143/jpsj.81.113602
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Microscopic theory on the Gilbert damping due to spin pumping effects in the magnetic multi-layer system2011
- Author(s)
  N.Umetsu, D.Miura, A.Sakuma
- Journal Title
  
  Journal of Physics ; Conf.Ser.
  
  Volume: 266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] First principles study on interfacial electronic structures in exchange-spring magnets2011
- Author(s)
  Y. Toga, H. Moriya, H. Tsuchiura and A. Sakuma
- Journal Title
  
  J. Phys.: Conf. Ser
  
  Volume: 266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540341
[Journal Article] Charge and spin currents in magnetic multi layers in the presence of both electric field and spin dynamics2011
- Author(s)
  D. Miura and A. Sakuma
- Journal Title
  
  Journal ofPhysics; Conf. Ser
  
  Volume: 266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] 強磁性体の磁化揺らぎによるスピン依存電気抵抗2011
- Author(s)
  小田洋平、佐久間昭正
- Journal Title
  
  日本磁気学会誌
  
  Volume: 35 Pages: 374-379
- NAID
  130000881880
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Long-Lived Ultrafast Spin Precession in Manganese Alloys Films with a Large Perpendicular Magnetic Anisotropy2011
- Author(s)
  S.Mizukami, F.Wu, A.Sakuma, J.Walowski, D.Watanabe, T.Kubota, X.Zhang, H.Naganuma, M.Oogane, Y.Ando, T.Miyazaki
- Journal Title
  
  Physical Review Letter
  
  Volume: 106
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Finite size effects on the quantum spin Hall state2011
- Author(s)
  Y.Ohyama, H.Tsuchiura, A.Sakuma
- Journal Title
  
  Journal of Physics : Conf.Ser.
  
  Volume: 266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] First-principles calculation of crystal field parameters of Dy ions substituted for Nd in Nd-Fe-B magnets2011
- Author(s)
  S. Tanaka, H. Moriya, H. Tsuchiura, A. Sakuma, M. Divis and P. Novak
- Journal Title
  
  J. Phys.: Conf. Ser
  
  Volume: 266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540341
[Journal Article] Charge and spin currents in magnetic multi layers in the presence of both electric field and spin dynamics2011
- Author(s)
  D.Miura, A.Sakuma
- Journal Title
  
  Journal of Physics ; Conf.Ser.
  
  Volume: 266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] First-principles study on the local magnetic anisotropy near surface of Dy_2Fe_<14> B and Nd_2Fe_<14> B magnets2011
- Author(s)
 S. Tanaka, H. Moriya, H. Tsuchiura, A. Sakuma, M. Divis and P. Novak
- Journal Title
 
 J. Appl. Phys
 
 Volume: 109
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20540341
[Journal Article] Spin-dependent Electrical Resistivity in Ferromagnets by Magnetic Fluctuations2011
- Author(s)
  Y. Kota and A. Sakuma
- Journal Title
  
  J. Magn. Soc. Jpn
  
  Volume: 35 Pages: 374-379
- NAID
  130000881880
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] First principles study on interfacial electronic structures in exchange-spring magnets2011
- Author(s)
  Yuta Toga, Hiroshi Moriya, Hiroki Tsuchiura, Akimasa Sakuma
- Journal Title
  
  Journal of Physics ; Conf.Ser.
  
  Volume: 266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Powder neutron diffraction studies for the L2_1 phase of Co_2YGa(Y=Ti, V, Cr, Mn and Fe) Hesler2011
- Author(s)
  R.Y.Umetsu, K.Kobayashi, R.Kainuma, Y.Yamaguchi, K.Ohyama, A.Sakuma, K.Ishida
- Journal Title
  
  Journal of Alloys and Compounds
  
  Volume: 499 Pages: 1-6
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Finite size effects on the quantum spin Hall state2011
- Author(s)
  Y. Ohyama, H. Tsuchiura, A. Sakuma
- Journal Title
  
  J. Phys.: Conf. Ser
  
  Volume: 266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540341
[Journal Article] First-principles study for electronic structure and physical property of Co-based Heusler alloys2011
- Author(s)
  Y. Kota and A. Sakuma
- Journal Title
  
  Journal ofPhysics: Conf. Ser
  
  Volume: 266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] First-principles calculation of crystal field parameters of Dy ions substituted for Nd in Nd-Fe-B magnets2011
- Author(s)
  S Tanaka, H Moriya, H Tsuchiura, A Sakuma, M Divis, P Novak
- Journal Title
  
  Journal of Physics ; Conf.Ser.
  
  Volume: 266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Spin-dependent Electrical Resistivity in Ferromagnets by Magnetic Fluctuations2011
- Author(s)
  Y.Kota, A.Sakuma
- Journal Title
  
  J.Magn.Soc.Jpn
  
  Volume: 35 Pages: 374-379
- NAID
  130000881880
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] First-Principles Study of Electrical Resistivity in Co_2MnSi Compounds2011
- Author(s)
  Y. Kota and A. Sakuma
- Journal Title
  
  IEEE Trans. Magn
  
  Volume: 47 Issue: 10 Pages: 4405-4408
- DOI
  10.1109/tmag.2011.2158300
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Magnetic Anisotropy in Ordered L1_0 Type NiFe Alloy2011
- Author(s)
  C.Mitsumata, Y.Kota, A Sakuma, M.Kotsugi
- Journal Title
  
  Journal of Magnetic Society of Japan
  
  Volume: 35 Pages: 52-55
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Anisotropy energy, spin-atomic vibration interaction, and spin-flip Hamiltonian of a single atomic spin system : application to iron ion2010
- Author(s)
  Satoshi Kokado, Kikuo Harigaya, Akimasa Sakuma
- Journal Title
  
  physica status solidi c
  
  Volume: 7 Pages: 2612-2615
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] First-principles study for electronic structure and physical property of Co-based Heusler alloys2010
- Author(s)
  H.Kota, A.Sakuma
- Journal Title
  
  Journal of Physics : Conf.Ser.
  
  Volume: 266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Inverse Current-Induced Magnetization Switching in Magnetic Tunnel Junctions with Fe_4N Free layer2010
- Author(s)
  S.Isogami, M.Tsunoda, Y.Komasaki, A.Sakuma, M.Takahashi
- Journal Title
  
  Applied Physics Express
  
  Volume: 3
- NAID
  10027441315
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] 交換結合膜の薄膜化による磁気ヘッド再生ギャップ長の低減2010
- Author(s)
  三俣千春, 佐久間明正, 深道和明
- Journal Title
  
  映像情報メディア学会誌
  
  Volume: 64 Pages: 1389-1394
- NAID
  10026569065
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Gilbert magnetic damping constant of epitaxially grown Co-based Heusler alloy thin films2010
- Author(s)
  M.Oogane, T.Kubota, Y.Kota, S.Mizukami, H.Naganuma, A.Sakuma, Y.Ando
- Journal Title
  
  Applied Physic Letter
  
  Volume: 96
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Soft xray magnetic circular dichroism of L2_1-type Co_2FeGa Heusler alloy2010
- Author(s)
  R Y Umetsu, T Nakamura, K Kobayashi, R Kainuma, A Sakuma, K Fukamichi, K Ishida
- Journal Title
  
  Journal of Physics D : Appl.Phys.
  
  Volume: 43
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Electronic specific heat coefficient and magnetic properties of L2_1 phase in Co_2YGa (Y=Cr, Mn and Fe) Heusler alloys2010
- Author(s)
  R Y Umetsu, N Endo, A Fujita, R Kainuma, A Sakuma, K Fukamichi, K Ishida
- Journal Title
  
  Journal of Physics ; Conf.Ser.
  
  Volume: 200
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] First principles study for the electronic structure and residual resistivity of Co_2MnZ (Z=Al, Si)2010
- Author(s)
  Y. Kota, H. Tsuchiura and A. Sakuma
- Journal Title
  
  J. Phys.: Conf. Ser
  
  Volume: 200
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540341
[Journal Article] Spin-Atomic Vibration Interaction and Spin-Flip Hamiltonian of a Single Atomic Spin in a Crystal Field2010
- Author(s)
  Satoshi Kokado, Kikuo Harigaya, Akimasa Sakuma
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 79
- NAID
  120002578064
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Anomalous Anisotropic Magnetoresistance in Pseudo-Single-Crystal Y'-Fe_4N Films2010
- Author(s)
  M.Tsunoda, H.Takahashi, S.Kokado, Y.Komasaki, A.Sakuma, M.Takahashi
- Journal Title
  
  Applied Physics Express
  
  Volume: 3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Finite size effects on the quantum spin Hall state2010
- Author(s)
  大山雄一, 土浦宏紀, 佐久間昭正
- Journal Title
  
  Journal of Physics : Conference Series
  
  Volume: 266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540341
[Journal Article] Evidence of Fermi level control in a half-metallic Heusler compound Co_2MnSi by Al-doping : Comarison of measurements with first-principles calculations2010
- Author(s)
  Y.Sakuraba, K.Takanashi, Y.Kota, T.Kubota, M.Oogane, A.Sakuma, Y.Ando
- Journal Title
  
  PHYSICAL REVIEW B
  
  Volume: 81
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560654
[Journal Article] Spin-polarized electronic structures and transport properties of Fe-Co alloys2009
- Author(s)
  Y. Kota, T. Takahashi, H. Tsuchiura and A. Sakuma
- Journal Title
  
  Journal of Applied Physics 105
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] First principles calculation of crystal field parameter near surface of Nd_2Fe_<14> B2009
- Author(s)
 H. Moriya, H. Tsuchiura and A. Sakuma
- Journal Title
 
 J. Appl. Phys
 
 Volume: 105
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20540341
[Journal Article] Theoretical study on the stability of magnetic structures of Heusler alloys2009
- Author(s)
  A. Sakuma, Y. Toga, and H. Tsuchiura
- Journal Title
  
  Co2MnAland Co2MnSi, Journal of Applied Physics 105
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] Spin-polarized electronic structures and transport properties of Fe-Co alloys2009
- Author(s)
  Y. Kota, T. Takahashi, H. Tsuchiura and A. Sakuma
- Journal Title
  
  J. Appl. Phys
  
  Volume: 105
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540341
[Journal Article] Theoretical study on the stability of magnetic structures in the surface and interfaces of Heusler alloys, Co_2MnAl and Co_2MnSi2009
- Author(s)
  A. Sakuma, Y. Toga and H. Tsuchiura
- Journal Title
  
  J. Appl. Phys
  
  Volume: 105
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540341
[Journal Article] First-Principles Calculation of the Crystal Field Parameter near the Surfaces and Interfaces of Nd2Fe14B2009
- Author(s)
  H. Moriya, H. Tsuchiura, and A. Sakuma
- Journal Title
  
  Journal of Applied Physics 105
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] Theoretical study on the stability of magnetic structures of Heusler alloys, Co_2MnAland Co_2MnSi2009
- Author(s)
  A. Sakuma, et.al.
- Journal Title
  
  Journal of Applied Physics 105
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] Nd_2Fe_<14> B永久磁石の磁気異方性2009
- Author(s)
 土浦宏紀, 栂裕太, 守谷浩志, 佐久間昭正
- Journal Title
 
 固体物理
 
 Volume: 44(10) Pages: 39-50
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20540341
[Journal Article] Uniaxial magnetic anisotropy in Co and Co-Pt based perpendicular olms in relation to lattice deformation2008
- Author(s)
  T. Shimatsu, Y. Okazaki, H. Sato, H. Muraoka, H. Aoi, T. Sakurai, S. Okamoto, O. Kitakami, S. Tanii and A. Sakuma
- Journal Title
  
  Journal of Applied Physics 103
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] Evidence of local moment formation in Co-based Heusler alloys2008
- Author(s)
  N. D. Telling, P. S. Keatley, G. van der Laan, R. J. Hicken, E. Arenholz, Y. Sakuraba, M. Oogane, Y. Ando, K. Takanashi, A. Sakuma and T. Miyazaki
- Journal Title
  
  Physical Review B 78
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] 第一原理計算ソフトウェアWIEN2kによる磁気特性研究の手引き2008
- Author(s)
  土浦宏紀, 栂裕太, 守谷浩志, 佐久間昭正
- Journal Title
  
  日本磁気学会誌「まぐね」
  
  Volume: 3(12) Pages: 586-593
- NAID
  10024486199
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540341
[Journal Article] Impurity-induced states in inhomogeneous superconductivity in high-Tc cuprates Journal of Physics : Conference Series2008
- Author(s)
  H. Tsuchiura, A. Sakuma and K. Takaki
- Journal Title
  
  108
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] Ab-initio Study on the Magnetic Structures in the Ordered Mn3Pt Alloy2008
- Author(s)
  Yohei Kota, Hiroki Tsuchiura, and Akimasa Sakuma
- Journal Title
  
  IEEE TRANSACTIONS ON MAGNETICS 44 (11)
  
  Pages: 3131-3133
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] Critical Thickness of Antiferromagnetic Layer in Exchange Biasing Bilayer System2008
- Author(s)
  C. Mitsumata, A. Sakuma, K. Fukamichi, M. Tsunoda, and M. Takahashi
- Journal Title
  
  Journal of the Physical Society of Japan 77(4)
- NAID
  110006649418
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] Magnetic properties, phase stability, electronic structure, and half-metallicity of L21-type Co2(V1-xMnx)Ga Heusler alloys2008
- Author(s)
  R. Y. Umetsu, K. Kobayashi, A. Fujita, R. Kainuma, K. Ishida, K. Fukamichi, and A. Sakuma
- Journal Title
  
  Physical Review B 77
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] Ab-initio Study on the Magnetic Structures in the Ordered Mn_3Pt Alloy2008
- Author(s)
  Y. Kota, H. Tsuchiura and A. Sakuma
- Journal Title
  
  IEEE TRANSACTIONS ON MAGNETICS
  
  Volume: 44 Pages: 3131-3133
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20540341
[Journal Article] Basic of magnetism and introduction to spin-electronics VI.6.Basic concept of spin-current (2) (in Japanese)2007
- Author(s)
  A.Sakuma
- Journal Title
  
  Magnetics Japan Vol.2, No.2
  
  Pages: 116-120
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] 磁性の基礎とスピンエレクトロニクスへの展開VI6.スピン流の基本概念(その2)2007
- Author(s)
  佐久間昭正
- Journal Title
  
  まぐね 2・2
  
  Pages: 116-120
- NAID
  10018499267
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Localized quantum spin reversal by spin injection in a spin quantum dot: A model calculation2007
- Author(s)
  S. Kokado, K. Ueda, K. Harigaya, and A. Sakuma
- Journal Title
  
  phys. stat. sol. (a) 204(6)
  
  Pages: 1937-1943
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] Inhomogeneous electronic states due to out-of-plane disorder in the t-t'-J model2007
- Author(s)
  H. Tsuchiura, K. Takaki, S. Kashiwaya, A. Sakuma
- Journal Title
  
  Journal of Magnetism and Magnetic Materials 310
  
  Pages: 514-516
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] Exchange Bias of Antiferromagnetic/Ferromagnetic Bilayer with Cubic Anisotropy in Antiferromagnetic Layer2007
- Author(s)
  C. Mitsumata, A. Sakuma and K. Fukamichi
- Journal Title
  
  Journal of Physical Society of Japan 76 (2)
- NAID
  110006203524
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] 遷移金属合金の磁気特性に関する電子論的研究2007
- Author(s)
  佐久間昭正
- Journal Title
  
  まぐね 2・3
  
  Pages: 143-149
- NAID
  10018737621
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Electronic Structures and Magnetic Phase Stability of L10 and B2-Type MnRh Equiatomic Alloys2007
- Author(s)
  R. Y. Umetsu, K. Fukamichi and A. Sakuma
- Journal Title
  
  Journal of the Physical Society of Japan 76(10)
- NAID
  130005296534
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] Theoretical studies of the Magnetic Properties of 3d transition metal systems (in Japanese)2007
- Author(s)
  A.Sakuma
- Journal Title
  
  Magnetics Japan Vol.2, No.3
  
  Pages: 143-149
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Decoherence processes of a quantum two-level system coupled to a fermionic environment2007
- Author(s)
  N. Yamada, A. Sakuma and H. Tsuchiura
- Journal Title
  
  Journal of Applied Physics 101
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] Half-metallic band structure observed in Co2MnSi-based magnetic tunnel junctions2007
- Author(s)
  Y Sakuraba, M Hattori, M Oogane, H Kubota, Y Ando, A Sakuma and T Miyazaki
- Journal Title
  
  Journal of Physics D : Applied Physics 40
  
  Pages: 1221-1227
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] 磁性の基礎とスピンエレクトロニクスへの展開VI 6.スピン流の基本概念(その2)2007
- Author(s)
  佐久間昭正
- Journal Title
  
  まぐね 2・2
  
  Pages: 116-120
- NAID
  10018499267
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Theoretical study of a localized quantum spin reversal by the sequential injection of spins in a spin quantum dot2007
- Author(s)
  S. Kokado, K. Ueda, K. Harigaya, and A. Sakuma
- Journal Title
  
  Physical Review B 76
- NAID
  120001698999
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560006
[Journal Article] 磁性の基礎とスピンエレクトロニクスへの展開I1.電子のスピンと磁気モーメント2006
- Author(s)
  佐久間昭正
- Journal Title
  
  まぐね 1・4
  
  Pages: 170-176
- NAID
  10017538718
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] 磁性の基礎とスピンエレクトロニクスへの展開II 2.非磁性金属中の磁性不純物によるスピン依存散乱2006
- Author(s)
  佐久間昭正
- Journal Title
  
  まぐね 1・6
  
  Pages: 274-282
- NAID
  10019172976
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] First-principles calculations of magnetic and electronic structures around surfaces and interfaces of magnetic multi-layered structure2006
- Author(s)
  A.Sakuma
- Journal Title
  
  Journal of Magnetism and Magnetic Materials 303・2
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Basic of magnetism and introduction to spin-electronics V.5.Basic concept of spin-current (1) (in Japanese)2006
- Author(s)
  A.Sakuma
- Journal Title
  
  Magnetics Japan Vol.1, No.12
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Basic of magnetism and introduction to spin-electronics I.1.Electron spin and magnetic moment (in Japanese)2006
- Author(s)
  A.Sakuma
- Journal Title
  
  Magnetics Japan Vol.1, No.4
  
  Pages: 170-176
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] First-principles calculations of magnetic and electronic structures around surface and intefaces of magnetic multi-layered structure2006
- Author(s)
  A.Sakuma
- Journal Title
  
  J. Magn. Magn. Mater. Vol.303
  
  Pages: 184-187
- Data Source
  KAKENHI-PROJECT-16080106
[Journal Article] First principles study on the electronic structure and effective exchange interaction of Y(Co_<1-x>Cu_x)_52006
- Author(s)
 A.Sakuma
- Journal Title
 
 Journal of Applied Physics Vol.99, No.8, Art.no.08J307
 
 Pages: 1-3
- Description
 「研究成果報告書概要(欧文)」より
- Data Source
 KAKENHI-PROJECT-16310081
[Journal Article] 磁性の基礎とスピンエレクトロニクスへの展開V 5.スピン流の基本概念(その1)2006
- Author(s)
  佐久間昭正
- Journal Title
  
  まぐね 1・12
  
  Pages: 623-629
- NAID
  10018410506
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] First principles study on the electronic structure and effective exchange interaction of Y(Co_<1-x>Cu_x)_52006
- Author(s)
 A.Sakuma
- Journal Title
 
 Journal of Applied Physics 99・8
- Description
 「研究成果報告書概要(和文)」より
- Data Source
 KAKENHI-PROJECT-16310081
[Journal Article] First-principles calculations of magnetic and electronic structures around surfaces and interfaces of magnetic multi-layered structure2006
- Author(s)
  A.Sakuma
- Journal Title
  
  Journal of Magnetism and Magnetic Materials Vol.303, No.2
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Theoretical study on the stability of ferromagnetism and resistivity of dilute magnetic semiconductors at finite temperature2006
- Author(s)
  A.Sakuma
- Journal Title
  
  Journal of Applied Physics Vol.99, No.8, Art.no.08D509
  
  Pages: 1-3
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] First-principles calculations of magnetic and electronic structures around surfaces and interfaces of magnetic multi-layered structure2006
- Author(s)
  A.Sakuma
- Journal Title
  
  Journal of Magnetism and Magnetic Materials 303・2
- Data Source
  KAKENHI-PROJECT-16080203
[Journal Article] Theoretical study on the stability of ferromagnetism and resistivity of dilute magnetic semiconductors at finite temperature2006
- Author(s)
  A.Sakuma
- Journal Title
  
  Journal of Applied Physics 99・8
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Basic of magnetism and introduction to spin-electronics IV.4.Spin-dependent scattering due to magnetic inhomogeneity in magnetic metals (in Japanese)2006
- Author(s)
  A.Sakuma
- Journal Title
  
  Magnetics Japan Vol.1, No.10
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] 磁性の基礎とスピンエレクトロニクスへの展開III3.電気伝導の理論2006
- Author(s)
  佐久間昭正
- Journal Title
  
  まぐね 1・8
  
  Pages: 387-397
- NAID
  10017635092
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] 磁性の基礎とスピンエレクトロニクスへの展開IV 4.磁気モーメントの空間変化によるスピン依存散乱2006
- Author(s)
  佐久間昭正
- Journal Title
  
  まぐね 1・10
  
  Pages: 499-510
- NAID
  10018781336
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] 磁性の基礎とスピンエレクトロニクスへの展開II2.非磁性金属中の磁性不純物によるスピン依存散乱2006
- Author(s)
  佐久間昭正
- Journal Title
  
  まぐね 1・6
  
  Pages: 274-282
- NAID
  10019172976
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] 磁性の基礎とスピンエレクトロニクスへの展開V5.スピン流の基本概念(その1)2006
- Author(s)
  佐久間昭正
- Journal Title
  
  まぐね 1・12
  
  Pages: 623-629
- NAID
  10018410506
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Theoretical study on the stability of ferromagnetism and resistivity of dilute magnetic semiconductors at finite temperature2006
- Author(s)
  A.Sakuma
- Journal Title
  
  Journal of Applied Physics 99・8
- Data Source
  KAKENHI-PROJECT-16080203
[Journal Article] First principles study on the electronic structure and effective exchange interaction of Y(Co_<1-x>Cu_x)_52006
- Author(s)
 A.Sakuma
- Journal Title
 
 Journal of Applied Physics 99・8
- Data Source
 KAKENHI-PROJECT-16080203
[Journal Article] 磁性の基礎とスピンエレクトロニクスへの展開IV4.磁気モーメントの空間変化によるスピン依存散乱2006
- Author(s)
  佐久間昭正
- Journal Title
  
  まぐね 1・10
  
  Pages: 499-510
- NAID
  10018781336
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Basic of magnetism and introduction to spin-electronics III.3.Theory of electric transport (in Japanese)2006
- Author(s)
  A.Sakuma
- Journal Title
  
  Magnetics Japan Vol.1, No.8
  
  Pages: 387-397
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] 磁性の基礎とスピンエレクトロニクスへの展開III 3.電気伝導の理論2006
- Author(s)
  佐久間昭正
- Journal Title
  
  まぐね 1・8
  
  Pages: 387-397
- NAID
  10017635092
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Basic of magnetism and introduction to spin-electronics II.2.Spin-dependent scattering due to magnetic impurities in non-magnetic metals (in Japanese)2006
- Author(s)
  A.Sakuma
- Journal Title
  
  Magnetics Japan Vol.1, No.6
  
  Pages: 274-282
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] 磁性の基礎とスピンエレクトロニクスへの展開I 1.電子のスピンと磁気モーメント2006
- Author(s)
  佐久間昭正
- Journal Title
  
  まぐね 1・4
  
  Pages: 170-176
- NAID
  10017538718
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Exchange bias model in ferromagnetic/antiferromagnetic bilayer with L1_2-type ordered antiferromagnet2005
- Author(s)
  C.Mitsumata, A.Sakuma, K.Fukamichi
- Journal Title
  
  IEEE Transactions on Magnetics 41・10
  
  Pages: 2700-2702
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Lattice axial ratio and large uniaxial magneto crystalline anisotropy in L10-type FePd single crystals prepared under compressive stress2004
- Author(s)
  H.Shima, K.Oikawa, A.Fujita, K.Fukamichi, K.Ishida, A.Sakuma
- Journal Title
  
  Physical Review B 70
- Data Source
  KAKENHI-PROJECT-16080106
[Journal Article] Microscopic foundation of spin electronics (in Japanese)2004
- Author(s)
  A.Sakuma
- Journal Title
  
  Oyo Buturi Vol.73, No.7
  
  Pages: 964-970
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] スピン流とスピントルク2004
- Author(s)
  佐久間昭正
- Journal Title
  
  固体物理 39・6
  
  Pages: 335-346
- NAID
  40006289318
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] Magnetic properties and band structures of half-metal-type Co_2CrGa heusler alloy2004
- Author(s)
  Akimasa SAKUMA, R.Y.Umetsu
- Journal Title
  
  Applied Physics Letters 85(11)
  
  Pages: 2011-2013
- Data Source
  KAKENHI-PROJECT-16080203
[Journal Article] スピンエレクトロニクス材料の基礎と理論2004
- Author(s)
  佐久間昭正
- Journal Title
  
  まてりあ 43・6
  
  Pages: 468-473
- NAID
  10013135460
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] スピンエレクトロニクス材料の基礎と理論2004
- Author(s)
  佐久間昭正
- Journal Title
  
  まてりあ 43(6)
  
  Pages: 468-473
- NAID
  10013135460
- Data Source
  KAKENHI-PROJECT-16080203
[Journal Article] 遷移金属合金のノンコリニア磁気構造と磁気励起に関する第一原理計算2004
- Author(s)
  佐久間昭正
- Journal Title
  
  固体物理 39・11
  
  Pages: 809-813
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] スピン流とスピントルク2004
- Author(s)
  佐久間昭正
- Journal Title
  
  固体物理 39(6)
  
  Pages: 335-346
- NAID
  40006289318
- Data Source
  KAKENHI-PROJECT-16080203
[Journal Article] Spin current and spin torque (in Japanese)2004
- Author(s)
  A.Sakuma
- Journal Title
  
  Solid State Physics Vol.39, No.6
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] スピンエレクトロニクスを理解する2004
- Author(s)
  佐久間昭正
- Journal Title
  
  応用物理 73・7
  
  Pages: 964-970
- NAID
  10013266954
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] スピンエレクトロニクスを理解する2004
- Author(s)
  佐久間昭正
- Journal Title
  
  応用物理 73(7)
  
  Pages: 964-970
- NAID
  10013266954
- Data Source
  KAKENHI-PROJECT-16080203
[Journal Article] Fundamentals and theory of spin-electronics materials (in Japanese)2004
- Author(s)
  A.Sakuma
- Journal Title
  
  Materia Japan Vol.43, No.6
  
  Pages: 468-473
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Journal Article] First principles study on the non-collinear magnetic structures and the magnetic excitations of transition metal alloys (in Japanese)2004
- Author(s)
  A.Sakuma
- Journal Title
  
  Solid State Physics Vol.39, No.11
  
  Pages: 809-813
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16310081
[Presentation] 遷移金属磁性体の交換スティフネス定数の温度依存性に関する第一原理計算2024
- Author(s)
  山下祥吾、佐久間昭正
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-19H05612
[Presentation] スピン揺らぎを考慮した有限温度二次摂動法による遷移金属合金の磁気異方性の第一原理計算2023
- Author(s)
  山下祥吾、佐久間昭正
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-19H05612
[Presentation] α″-Fe16N2の結晶磁気異方性における局所歪みの効果の検討2023
- Author(s)
  小田洋平, 佐久間昭正
- Organizer
  第47回日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-19H05612
[Presentation] First-Principles Simulation of Anomalous- and Spin-Hall Effect in Fe-Co Disordered Systems2023
- Author(s)
  Yohei Kota and Akimasa Sakuma
- Organizer
  IEEE International Magnetics Conference 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H05612
[Presentation] A trial to evaluate the magnetic parameters in the LLG equation from the first-principles2023
- Author(s)
  佐久間　昭正
- Organizer
  第47回日本磁気学会学術講演会
- Invited
- Data Source
  KAKENHI-PROJECT-19H05612
[Presentation] 金属磁性体の2サイト型磁気異方性の第一原理的評価2020
- Author(s)
  小田洋平、栂裕太、三浦大介、佐久間昭正
- Organizer
  第44回日本磁気学会学術講演会
- Data Source
  KAKENHI-PROJECT-19H05612
[Presentation] Nucleation process in the atomistic spin model: Nd-Fe-B magnet2020
- Author(s)
  Y. Toga, S. Miyashita, A. Sakuma, and T. Miyake
- Organizer
  The 26th International Workshop on Rare-Earth and Future Permanent Magnets and their Applications
- Data Source
  KAKENHI-PROJECT-19H05612
[Presentation] 強磁性金属における光誘起スピン蓄積に関する理論研究2019
- Author(s)
  尾崎太飛，三浦大介，佐久間昭正
- Organizer
  日本物理学会74回年次大会
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] ハーフメタルにおけるギルバート緩和定数の第一原理計算2019
- Author(s)
  白木原　覚，三浦大介，佐久間昭正
- Organizer
  日本物理学会74回年次大会
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] 異方性磁気抵抗効果の対称性に関する理論研究2019
- Author(s)
  矢作　裕太，三浦大介，佐久間昭正
- Organizer
  日本物理学会74回年次大会
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] Theoretical Study of Gilbert Damping in Magnetic Multilayer Film2019
- Author(s)
  D. Ozaki, D. Miura, A. Sakuma
- Organizer
  2019 Joint MMM-Intermag Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] Theoretical Study of Gilbert Damping in Rare-Earth Permanent2019
- Author(s)
  F. Saito, D. Miura, A. Sakuma
- Organizer
  2019 Joint MMM-Intermag Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] 接合系におけるギルバート緩和定数の第一原理計算2019
- Author(s)
  平松　諒也，三浦大介，佐久間昭正
- Organizer
  日本物理学会74回年次大会
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] 外部電場存在下のRashba系を媒体とする有効相互作用に関する理論研究2019
- Author(s)
  大金　幸平，矢作　裕太，三浦大介，佐久間昭正
- Organizer
  日本物理学会74回年次大会
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] 磁性多層膜におけるGilbert緩和定数2018
- Author(s)
  尾崎太飛，三浦大介，佐久間昭正
- Organizer
  日本物理学会73回年次大会
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] ラッシュバ型強磁性体における非従来型異方性磁気抵抗効果の理論計算2018
- Author(s)
  矢作　裕太，三浦大介，佐久間昭正
- Organizer
  日本物理学会73回年次大会
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] Theoretical Study of Gilbert Damping Constants on Magnetic Multi-layers2018
- Author(s)
  Dai Ozaki, Daisuke Miura, Akimasa Sakuma
- Organizer
  Kick-off Symposium for World Leading Research Centers -Materials Science and Spintronics-
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] 磁性体接合系におけるギルバート緩和定数の第一原理計算2018
- Author(s)
  平松　諒也，三浦大介，佐久間昭正
- Organizer
  日本物理学会73回年次大会
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] 磁性多層膜のギルバート緩和定数に関する理論研究2018
- Author(s)
  尾崎太飛，三浦大介，佐久間昭正
- Organizer
  日本物理学会2018年秋季大会
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] Theoretical study of the unconventional anisotropic magnetoresistance using Rashba-type ferromagnetic model2018
- Author(s)
  Yuta Yahagi, Daisuke Miura, Akimasa Sakuma
- Organizer
  Kick-off Symposium for World Leading Research Centers -Materials Science and Spintronics-
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] ラシュバ系における異方性磁気抵抗効果の微視的理論2018
- Author(s)
  矢作　裕太，三浦大介，佐久間昭正
- Organizer
  日本物理学会2018年秋季大会
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] 希土類磁石におけるGilbert緩和に関する理論研究2018
- Author(s)
  齋藤史弥，三浦大介，佐久間昭正
- Organizer
  日本物理学会2018年秋季大会
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] 磁性多層膜におけるスピン軌道トルクに関する理論研究2018
- Author(s)
  金　世勲、矢作　裕太，三浦大介，佐久間昭正
- Organizer
  日本物理学会2018年秋季大会
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] First principles calculation for Gilbert damping constants in ferromagnetic/non-magnetic junctions2018
- Author(s)
  Ryoya　Hiramatsu, Daisuke Miura, Akimasa Sakuma
- Organizer
  Kick-off Symposium for World Leading Research Centers -Materials Science and Spintronics-
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] 界面ラフネスを考慮した強磁性/非磁性接合系におけるギルバート緩和定数の第一原理計算2018
- Author(s)
  平松　諒也，三浦大介，佐久間昭正
- Organizer
  日本物理学会2018年秋季大会
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] First-principles study on intrinsic and extrinsic anomalous Hall conductivity of transition metal alloys2017
- Author(s)
  K. Hyodo and A. Sakuma
- Organizer
  Internanational workshop on computational science 2017 "Design of Novel Magnetic Materials for Device Applications: Simulation and Experiment"
- Place of Presentation
  金沢大学（金沢市）
- Year and Date
  2017-02-17
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] Theoretical study on the perpendicular anisotropic magnetoresistance using Rashba-type ferromagnetic model2017
- Author(s)
  Y. Yahagi, D. Miura, A. Sakuma
- Organizer
  62nd Annual Conference on Magnetism and Magnetic Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] 遷移金属におけるスピン揺らぎを考慮したGilbert緩和定数の第一原理計算2017
- Author(s)
  尾崎　太飛、平松　諒也、三浦　大介、佐久間　昭正
- Organizer
  日本物理学会72回年次大会
- Place of Presentation
  大阪大学（大阪市）
- Year and Date
  2017-03-17
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] フェリ磁性体におけるマグノンが関与するスピン流の微視的記述2017
- Author(s)
  熊本　達也、三浦　大介、佐久間　昭正
- Organizer
  日本物理学会72回年次大会
- Place of Presentation
  大阪大学（大阪市）
- Year and Date
  2017-03-17
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] First principles calculations for Gilbert damping constants in ferromagnetic/non-magnetic junctions2017
- Author(s)
  R. Hiramatsu, D. Miura, A. Sakuma
- Organizer
  62nd Annual Conference on Magnetism and Magnetic Materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] 強磁性／非磁性接合系におけるギルバート緩和定数の第一原理計算2017
- Author(s)
  平松　諒也、尾崎　太飛、三浦　大介、佐久間　昭正
- Organizer
  日本物理学会72回年次大会
- Place of Presentation
  大阪大学（大阪市）
- Year and Date
  2017-03-17
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] First-Principles Study on the Magnetic Damping of Transition Metals in the Presence of Spin Fluctuiation2017
- Author(s)
  D. Ozaki, D. Miura, A. Sakuma
- Organizer
  2017 Intermag Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] Theoretical study of spin currents in ferrimagnet2016
- Author(s)
  Tatsuya Kumamoto, Daisuke Miura and Akimasa Sakuma
- Organizer
  61st Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  New Orleans
- Year and Date
  2016-10-31
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K06702
[Presentation] FePt,FePd不規則合金における異常ホール伝導度の第一原理計算2016
- Author(s)
  兵頭一茂、小田洋平、佐久間昭正
- Organizer
  日本物理学会71回年次大会
- Place of Presentation
  東北学院大、仙台市
- Year and Date
  2016-03-19
- Data Source
  KAKENHI-PROJECT-25420686
[Presentation] Anomalous Hall effect originated from the different electron lifetime about magnetic quantum number in disordered Fe50Co502015
- Author(s)
  K. Hyodo and A. Sakuma
- Organizer
  20th International Conference on Magnetism
- Place of Presentation
  Barcelona, Spain
- Year and Date
  2015-07-05
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420686
[Presentation] 第一原理計算を用いたFePt,FePd合金の異常ホール伝導度の規則度依存性2015
- Author(s)
  兵頭一茂、小田洋平、佐久間昭正
- Organizer
  第39回日本磁気学会学術講演会
- Place of Presentation
  名古屋大、名古屋市
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-25420686
[Presentation] Generation of spin current by spin pumping technique from ferromagnetic materials with negative spin polarization2014
- Author(s)
  S. Isogami, M. Tsunoda, M. Oogane, A. Sakuma, K. Kabara, and M. Takahashi
- Organizer
  IEEE International Magnetics Conference
- Place of Presentation
  Dresden, Germany
- Data Source
  KAKENHI-PROJECT-24710154
[Presentation] 磁化ダイナミクスによるFe4N薄膜からのスピン流生成2013
- Author(s)
  磯上慎二，角田匡清，大兼幹彦，佐久間昭正，高橋研
- Organizer
  東北大学電気通信研究所　共同プロジェクト研究会
- Place of Presentation
  仙台
- Data Source
  KAKENHI-PROJECT-24710154
[Presentation] First-principles study on the relationship between magnetic anisotropy and anomalous Hall effect of bct-Fe50Co502013
- Author(s)
  Kazushige Hyodo, Yohei Kota, and Akimasa Sakuma
- Organizer
  58th Annual Conference on Magnetism and Magnetic Materials,
- Place of Presentation
  Denver, USA
- Data Source
  KAKENHI-PROJECT-25420686
[Presentation] 第一原理計算によるbct-FeCo合金の異常ホール伝導度に対する研究2013
- Author(s)
  兵頭一茂,小田洋平,佐久間昭正
- Organizer
  日本物理学会第68回
- Place of Presentation
  広島
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] bct-Fe50Co50合金における磁気異方性と異常ホール効果の相関に関する理論研究2013
- Author(s)
  兵頭　一茂、佐久間　昭正
- Organizer
  第37回日本磁気学会学術講演会
- Place of Presentation
  北海道大学
- Data Source
  KAKENHI-PROJECT-25420686
[Presentation] 擬単結晶Fe4N膜における磁気緩和の温度および結晶方位依存性2013
- Author(s)
  磯上慎二，角田匡清，大兼幹彦，佐久間昭正，古門聡士，高橋研
- Organizer
  第37回日本磁気学会学術講演会
- Place of Presentation
  北海道大学
- Data Source
  KAKENHI-PROJECT-24710154
[Presentation] 不純物散乱によるスピン緩和の理論研究2013
- Author(s)
  梅津信之,三浦大介,佐久間昭正
- Organizer
  日本物理学会第68回
- Place of Presentation
  広島
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] Effect of Spin Torque on Magnetization Switching Speed Having Nonuniform Spin Distribution2012
- Author(s)
  K. Hyodo, C. Mitsumata, and A.Sakuma
- Organizer
  Intermag
- Place of Presentation
  Vancouver, Canada
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] Theoreticalverification of magnetocrystalline anisotropy in tetragonal Fe-Co alloys2012
- Author(s)
  Y. Kota, and A. Sakuma
- Organizer
  ICAUMS
- Place of Presentation
  Nara, Japan
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] Effect of Spin Torque on Magnetization Switching Speed Having Nonuniform Spin Distribution2012
- Author(s)
  K. Hyodo, C. Mitsumata, and A. Sakuma
- Organizer
  Intermag 2012
- Place of Presentation
  Vancouver, Canada
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] Pt-substitution effects to enhance uniaxial magnetic anisotropy in L10-ordered Fe-Ni alloys2012
- Author(s)
  K. Hyodo, Y. Kota, C. Mitsumata, and A. Sakuma
- Organizer
  ICAUMS 2012
- Place of Presentation
  Nara, Japan
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 不均一スピンダイナミクスにおけるスピン緩和機構2012
- Author(s)
  梅津信之, 三浦大介, 佐久間昭正
- Organizer
  日本物理学会第67回年次大会
- Place of Presentation
  関西学院大学
- Year and Date
  2012-03-26
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] ギルバート緩和に関する理論と計算2012
- Author(s)
  佐久間昭正
- Organizer
  日本磁気学会第183回研究会
- Place of Presentation
  中央大学駿河台記念館(招待講演)
- Year and Date
  2012-03-22
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 電子論から見た永久磁石の磁気特性2012
- Author(s)
  佐久間昭正
- Organizer
  日本金属学会春季学術講演会
- Place of Presentation
  横浜国立大学(招待講演)
- Year and Date
  2012-03-28
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] Theoretical verification of magnetocrystalline anisotropy in tetragonal Fe-Co alloys2012
- Author(s)
  Y. Kota, and A. Sakuma
- Organizer
  ICAUMS 2012
- Place of Presentation
  Nara, Japan
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] Microscopic theory on the spin relaxation in an inhomogeneous spin dynamics2012
- Author(s)
  N. Umetsu, D. Miura and A. sakuma
- Organizer
  ICM2012
- Place of Presentation
  Vexco, Busan, Korea
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] Generation of spin current from Fe4N film2012
- Author(s)
  S. Isogami, M. Tsunoda, M. Oogane, A. Sakuma and M. Takahashi
- Organizer
  International Conference of Asian Union Magnetics Societies
- Place of Presentation
  Nara, Japan
- Data Source
  KAKENHI-PROJECT-24710154
[Presentation] First-principles study of conductivity tensor in transition metals and alloys2012
- Author(s)
  Y. Kota and A. sakuma
- Organizer
  ICM2012
- Place of Presentation
  Vexco, Busan, Korea
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] Microscopic theory of magnon-drag thermodynamic transport in ferromagnetic metals2012
- Author(s)
  D. Miura and A. sakuma
- Organizer
  ICM2012
- Place of Presentation
  Vexco, Busan, Korea
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 遷移金属合金のスピンホール伝導度の第一原理計算2012
- Author(s)
  小田洋平,佐久間昭正
- Organizer
  日本物理学会第67回年次大会
- Place of Presentation
  関西学院大学
- Year and Date
  2012-03-25
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 不均-スピンダイナミクスにおけるスピン緩和機構2012
- Author(s)
  梅津信之,三浦大介,佐久間昭正
- Organizer
  日本物理学会第67回年次大会
- Place of Presentation
  関西学院大学
- Year and Date
  2012-03-26
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] Microscopic theory of magnon-drag thermodynamic transport in ferromagnetic metals2012
- Author(s)
  D. Miura and A. Sakuma
- Organizer
  The 19th International Conference on Magnetism
- Place of Presentation
  Busan,Korea
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 強磁性金属におけるマグノン・ドラッグ熱電特性の微視的理論2012
- Author(s)
  三浦大介,佐久間昭正
- Organizer
  日本物理学会第67回年次大会
- Place of Presentation
  関西学院大学
- Year and Date
  2012-03-24
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] First-principles study of conductivity tensor in transition metals and alloys2012
- Author(s)
  Y. Kota and A. Sakuma
- Organizer
  The 19th International Conference on Magnetism
- Place of Presentation
  Busan, Korea
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] Microscopic theory on the spin relaxation in an inhomogeneous spin dynamics2012
- Author(s)
  N. Umetsu, D. Miura and A. Sakuma
- Organizer
  The 19th International Conference on Magnetism
- Place of Presentation
  Busan, Korea
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] ギルバート緩和に関する理論と計算2012
- Author(s)
  佐久間昭正
- Organizer
  日本磁気学会第183回研究会
- Place of Presentation
  中央大学駿河台記念館
- Year and Date
  2012-03-22
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] スピンの動力学に伴う電流とスピン流の微視的理論2011
- Author(s)
  佐久間昭正
- Organizer
  第33回スピンエレクトロニクス専門研究会
- Place of Presentation
  中央大学
- Year and Date
  2011-01-14
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 遷移金属合金のAMRの第一原理計算2011
- Author(s)
  小田洋平,佐久間昭正
- Organizer
  日本物理学会第66回年次大会
- Place of Presentation
  新潟大学
- Year and Date
  2011-03-25
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 磁気トンネル接合におけるスピンポンピングの微視的記述2011
- Author(s)
  三浦大介,梅津信之,佐久間昭正
- Organizer
  日本物理学会2011年秋季大会
- Place of Presentation
  富山大学
- Year and Date
  2011-09-22
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] L1_0型FePt規則-不規則合金の電子状態と磁気異方性2011
- Author(s)
  小田洋平, 佐久間昭正
- Organizer
  第35回日本磁気学会学術講演会
- Place of Presentation
  新潟大学
- Year and Date
  2011-09-29
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] スピン電場により誘起されるスピン流の磁化ダイナミクスへの影響2011
- Author(s)
  兵頭一茂,佐久間昭正
- Organizer
  日本物理学会2011年秋季大会
- Place of Presentation
  富山大学
- Year and Date
  2011-09-21
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 磁気トンネル接合においてスピンダイナミクスにより誘起されるスピントルクの微視的記述2011
- Author(s)
  三浦大介,佐久間昭正
- Organizer
  日本物理学会第66回年次大会
- Place of Presentation
  新潟大学
- Year and Date
  2011-03-25
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 磁性多層膜のギルバート緩和に関する微視的理論II2011
- Author(s)
  梅津信之,三浦大介,佐久間昭正
- Organizer
  日本物理学会第66回年次大会
- Place of Presentation
  新潟大学
- Year and Date
  2011-03-25
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 磁性体の磁気緩和の微視的理論2011
- Author(s)
  佐久間昭正
- Organizer
  応用物理学関連連合講演会
- Place of Presentation
  神奈川工科大学
- Year and Date
  2011-03-24
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 遷移金属合金の伝導度テンソルの第一原理計算2011
- Author(s)
  小田洋平,佐久間昭正
- Organizer
  第35回日本磁気学会学術講演会
- Place of Presentation
  新潟コンベンションセンター
- Year and Date
  2011-09-28
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 遷移金属合金の伝導度テンソルの第一原理計算2011
- Author(s)
  小田洋平,佐久間昭正
- Organizer
  日本物理学会2011年秋季大会
- Place of Presentation
  富山大学
- Year and Date
  2011-09-23
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] First principles study on the crystal field parameters for Dy-doped Nd-Fe-B magnets2010
- Author(s)
  S. Tanaka, H. Moriya, H. Tsuchiura, A. Sakuma, M. Divis and P. Novak
- Organizer
  55th Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  Atlanta (USA)
- Year and Date
  2010-11-18
- Data Source
  KAKENHI-PROJECT-20540341
[Presentation] First principles study on the local magnetic anisotropy near surfaces of Dy_2Fe_<14>B and Nd_2Fe_<14>B magnets2010
- Author(s)
 S Tanaka, H Moriya, H Tsuchiura, A Sakuma, M Divis, P Novak
- Organizer
 MMM2010
- Place of Presentation
 Atlanta, USA
- Year and Date
 2010-11-18
- Data Source
 KAKENHI-PROJECT-22560654
[Presentation] Microscopic Theory of Charge and Spin Currents in Magnetic Tunnel Junctions2010
- Author(s)
  A. Sakuma and D. Miura
- Organizer
  International Conference of AUMS
- Place of Presentation
  Jeju Island, Korea
- Year and Date
  2010-12-07
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 磁性多層膜のギルバート緩和に関する微視的理論2010
- Author(s)
  梅津信之,三浦大介,佐久間昭正
- Organizer
  日本物理学会2010年秋季大会
- Place of Presentation
  大阪府立大学
- Year and Date
  2010-09-25
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] Microscopic theory of spin torque induced by spin dynamics in magnetic tunnel junctions2010
- Author(s)
  D. Miura and A. Sakuma
- Organizer
  MMM2010
- Place of Presentation
  Atlanta, USA
- Year and Date
  2010-11-16
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] スピン1の2次元ボース・ハバードモデルにおけるモット転移の解析2010
- Author(s)
  栂裕太, 土浦宏紀, 山下眞, 横山寿敏, 佐久間昭正
- Organizer
  日本物理学会第65回年次大会
- Place of Presentation
  岡山
- Year and Date
  2010-03-21
- Data Source
  KAKENHI-PROJECT-20540341
[Presentation] NdFeB磁石におけるDy添加の影響に関する第一原理的評価2010
- Author(s)
  田中進, 土浦宏紀, 守谷浩志, 佐久間昭正
- Organizer
  日本金属学会2010年秋期大会
- Place of Presentation
  北海道大学
- Year and Date
  2010-09-26
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] First-principles calculation of the magnetic moment and crystal field parameter near the surface of Nd_2Fe_<14>B2010
- Author(s)
 A.Sakuma
- Organizer
 21th Workshop on Rare-Earth Permanent Magnets and their Applications
- Place of Presentation
 Bled, Slovenia
- Year and Date
 2010-09-01
- Data Source
 KAKENHI-PROJECT-22560654
[Presentation] Model Calculation of Magnetization Reversal Process of Hard Magnet in Nd_2Fe_<14>B System2010
- Author(s)
 C.Mitsumata, H.Tsuchiura, Y.Toga, A.Sakuma
- Organizer
 International Conference of AUMS
- Place of Presentation
 Jeju Island, Korea
- Year and Date
 2010-12-06
- Data Source
 KAKENHI-PROJECT-22560654
[Presentation] 強磁性金属のスピン状態に依存した散乱効果を含む電気抵抗率の第一原理計算2010
- Author(s)
  小田洋平,佐久間昭正
- Organizer
  日本物理学会2010年秋季大会
- Place of Presentation
  大阪府立大学
- Year and Date
  2010-09-25
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 電場とスピンダイナミクスにより誘起される磁性多層膜におけるスピン流と電流の微視的記述2010
- Author(s)
  三浦大介,佐久間昭正
- Organizer
  日本物理学会2010年秋季大会
- Place of Presentation
  大阪府立大学
- Year and Date
  2010-09-25
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] L1_0型FeNi規則合金の磁気異方性2010
- Author(s)
  三俣千春, 小田洋平, 佐久間明正, 小嗣真人
- Organizer
  日本磁気学会学術講演会
- Place of Presentation
  つくば国際会議場
- Year and Date
  2010-09-06
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 強磁性遷移金属合金のスピン依存抵抗の第一原理計算2010
- Author(s)
  小田洋平,佐久間昭正
- Organizer
  第39回ナノマグネティックス専門研究会
- Place of Presentation
  中央大学
- Year and Date
  2010-12-03
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 強磁性体の静的スピン揺らぎによる磁気抵抗効果2010
- Author(s)
  小田洋平,佐久間昭正
- Organizer
  日本磁気学会学術講演会
- Place of Presentation
  つくば国際会議場
- Year and Date
  2010-09-06
- Data Source
  KAKENHI-PROJECT-22560654
[Presentation] 遷移金属合金の電気伝導度とスピン分極率の第一原理計算2009
- Author(s)
  佐久間昭正, 小田洋平, 土浦宏紀
- Organizer
  日本物理学会第64回年次大会
- Place of Presentation
  東京
- Year and Date
  2009-03-28
- Data Source
  KAKENHI-PROJECT-20540341
[Presentation] Nd_2Fe_<14>B磁石の界面における結晶場の第一原理的評価2009
- Author(s)
 土浦宏紀, 栂裕太、守谷浩志、佐久間昭正
- Organizer
 日本金属学会2009年春季大会
- Place of Presentation
 東京
- Year and Date
 2009-03-29
- Data Source
 KAKENHI-PROJECT-19560006
[Presentation] 遷移金属合金の電気伝導度とスピン分極率の第一原理計算2009
- Author(s)
  佐久間昭正、小田洋平、土浦宏紀
- Organizer
  日本物理学会第64回年次大会
- Place of Presentation
  東京
- Year and Date
  2009-03-28
- Data Source
  KAKENHI-PROJECT-19560006
[Presentation] Nd-Fe-B磁石の界面における結晶場の第一原理的評価2009
- Author(s)
  土浦宏紀, 栂裕太, 守谷浩志, 佐久間昭正
- Organizer
  日本金属学会2009年春期講演大会
- Place of Presentation
  東京
- Year and Date
  2009-03-29
- Data Source
  KAKENHI-PROJECT-20540341
[Presentation] First-Principles Calculation on the Crystal Field Parameter near the Surfaces and the Interfaces of Nd_2Fe_<14> B2008
- Author(s)
 H. Moriya, H. Tsuchiura and A. Sakuma
- Organizer
 53rd Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
 Texas (USA)
- Year and Date
 2008-11-13
- Data Source
 KAKENHI-PROJECT-20540341
[Presentation] Brillouin Light Scattering Investigations on Co_2MnAl_xSi_<1-x> Heusler Thin Films2008
- Author(s)
 T. Kubota, J. Hamrle, Y. Sakuraba, O. Gaier, M. Oogane, A. Sakuma, B. Hillebrands, K. Takanashi, and Y. Ando
- Organizer
 MMM 53rd Magnetism and Magnetic Materials Conference
- Place of Presentation
 Austin, USA.
- Year and Date
 2008-11-12
- Data Source
 KAKENHI-PROJECT-19560006
[Presentation] Nd_2Fe_<14>B/α-Fe交換スプリング磁石の界面近傍における磁気特性の第一原理計算2008
- Author(s)
 栂裕太, 土浦宏紀, 佐久間昭正
- Organizer
 第32回日本磁気学会学術講演会
- Place of Presentation
 仙台
- Year and Date
 2008-09-15
- Data Source
 KAKENHI-PROJECT-19560006
[Presentation] Theoretical study on the stability of magnetic structur es of Heusler alloys, Co_2MnAl and Co_2MnSi2008
- Author(s)
  A. Sakuma, et.al.
- Organizer
  MMM 53rd Magnetism and Magnetic Materials Conference
- Place of Presentation
  Austin(USA)
- Year and Date
  2008-11-11
- Data Source
  KAKENHI-PROJECT-19560006
[Presentation] Microscopic description of the Gilbert damping coefficient based on the s-d model2008
- Author(s)
  A. Sakuma, at.al.
- Organizer
  IMMM 53rd Magnetism and Magnetic Materials Conference
- Place of Presentation
  Austin(USA)
- Year and Date
  2008-11-13
- Data Source
  KAKENHI-PROJECT-19560006
[Presentation] Mn3Pt/Co界面の磁気構造に関する第一原理計算2008
- Author(s)
  小田洋平, 土浦宏紀, 佐久間昭正
- Organizer
  第32回日本磁気学会学術講演会
- Place of Presentation
  仙台
- Year and Date
  2008-09-15
- Data Source
  KAKENHI-PROJECT-19560006
[Presentation] First-principles calculations for the electrical conductivities of transition metal alloys2008
- Author(s)
  A. Sakuma, et.al.
- Organizer
  MMM 53rd Magnetism and Magnetic Materials Conference
- Place of Presentation
  Austin(USA)
- Year and Date
  2008-11-12
- Data Source
  KAKENHI-PROJECT-19560006
[Presentation] Nd_2Fe_<14>Bにおける結晶場パラメータの第一原理的評価2008
- Author(s)
 守谷浩志、土浦宏紀, 佐久間昭正
- Organizer
 応用物理学会東北支部第63回学術講演会
- Place of Presentation
 仙台
- Year and Date
 2008-12-05
- Data Source
 KAKENHI-PROJECT-19560006
[Presentation] Spin-polarized electronic structures and transport properties of Fe-Co alloys : ab initio study2008
- Author(s)
  Y. Kota, T. Takahashi, H. Tsuchiura, and A. Sakuma
- Organizer
  MMM 53rd Magnetism and Magnetic Materials Conference
- Place of Presentation
  Austin, USA.
- Year and Date
  2008-11-12
- Data Source
  KAKENHI-PROJECT-19560006
[Presentation] irst-Principles Calculation of the Crystal Field Parameter near the Surfaces and Interfaces of Nd_2Fe_<14>B2008
- Author(s)
 H. Moriya, H. Tsuchiura and A. Sakuma
- Organizer
 MMM 53rd Magnetism and Magnetic Materials Conference
- Place of Presentation
 Austin, USA.
- Year and Date
 2008-11-12
- Data Source
 KAKENHI-PROJECT-19560006
[Presentation] Microscopic description of the Gilbert damping coefficient based on the s-d model2008
- Author(s)
  A. Sakuma, N. Yamada, and H. Tsuchiura
- Organizer
  MMM 53rd Magnetism and Magnetic Materials Conference
- Place of Presentation
  Austin, USA.
- Year and Date
  2008-11-13
- Data Source
  KAKENHI-PROJECT-19560006
[Presentation] Ab initio study on the magnetic structures in the ordered Mn3Pt alloy2008
- Author(s)
  Y.Kota, H. Tsuchiura and A. Sakuma
- Organizer
  INTERMAG 2008
- Place of Presentation
  Madrid, Spain
- Year and Date
  2008-05-08
- Data Source
  KAKENHI-PROJECT-19560006
[Presentation] First-principles calculations for the electrical conductivities of transition metal alloys2008
- Author(s)
  A. Sakuma, T. Takahashi, Y. Kota, and H. Tsuchiura
- Organizer
  MMM 53rd Magnetism and Magnetic Materials Conference
- Place of Presentation
  Austin, USA.
- Year and Date
  2008-11-12
- Data Source
  KAKENHI-PROJECT-19560006
[Presentation] Fe_<1-x>Ni_x合金の電気伝導度の第一原理計算2008
- Author(s)
 佐久間昭正、等
- Organizer
 第32回日本磁気学会学術講演会
- Place of Presentation
 仙台
- Year and Date
 2008-09-14
- Data Source
 KAKENHI-PROJECT-19560006
[Presentation] Fe_<1-x>NiX合金の電気伝導度の第一原理計算,2008
- Author(s)
 佐久間昭正、高橋智洋, 土浦宏紀
- Organizer
 第32回日本磁気学会学術講演会
- Place of Presentation
 仙台
- Year and Date
 2008-09-14
- Data Source
 KAKENHI-PROJECT-19560006
[Presentation] Theoretical study on the stability of magnetic structures of Heusler alloys2008
- Author(s)
  A. Sakuma, Y. Toga, and H. Tsuchiura
- Organizer
  Co_2MnAland Co_2MnSi, MMM 53rd Magnetism and Magnetic Materials Conference
- Place of Presentation
  Austin, USA.
- Year and Date
  2008-11-12
- Data Source
  KAKENHI-PROJECT-19560006
[Presentation] Enhancement of Gilbert damping due to non-local spin-spin correlation via spin currents2007
- Author(s)
  K. Hasu, H. Tsuchiura, and A. Sakuma
- Organizer
  52nd Annual Conference on Magnetism and Magnetic Materials
- Place of Presentation
  Tampa Marriott Hotel, USA.
- Year and Date
  2007-11-07
- Data Source
  KAKENHI-PROJECT-19560006
[Presentation] Rh上に積層されたbct-Fe50Co50合金の垂直磁気異方性に関する理論的評価
- Author(s)
  兵頭　一茂、小田　洋平、佐久間　昭正
- Organizer
  第38回日本磁気学会学術講演会
- Place of Presentation
  慶応義塾大学（横浜市）
- Year and Date
  2014-09-02 – 2014-09-05
- Data Source
  KAKENHI-PROJECT-25420686
[Presentation] ラシュバ型スピン軌道相互作用を伴う強磁性金属の不均一スピンダイナミクスにおけるスピン緩和
- Author(s)
  梅津　信之、三浦　大介、佐久間　昭正
- Organizer
  日本物理学会2014年秋季大会
- Place of Presentation
  中部大学（愛知県春日井市）
- Year and Date
  2014-09-07 – 2014-09-10
- Data Source
  KAKENHI-PROJECT-25420686
[Presentation] Gilbert damping of ferromagnetic metals in inhomogeneous spin dynamics
- Author(s)
  N. Umetsu, D. Miura, and A. Sakuma
- Organizer
  59th ANNUAL CONFERENCE ON MAGNETISM AND MAGNETIC MATERIALS
- Place of Presentation
  Honolulu、USA
- Year and Date
  2014-11-03 – 2014-11-07
- Data Source
  KAKENHI-PROJECT-25420686
[Presentation] 第一原理計算を用いたbct-FeCo合金における内因性異常ホール効果の規則度依存性
- Author(s)
  兵頭　一茂、小田　洋平、佐久間　昭正
- Organizer
  日本物理学会2014年秋季大会
- Place of Presentation
  中部大学（愛知県春日井市）
- Year and Date
  2014-09-07 – 2014-09-10
- Data Source
  KAKENHI-PROJECT-25420686
[Presentation] 磁気量子数によって異なる電子寿命に起因する異常ホール伝導度
- Author(s)
  兵頭　一茂、佐久間　昭正
- Organizer
  日本物理学会70回年次大会
- Place of Presentation
  早稲田大学（東京都新宿区）
- Year and Date
  2015-03-21 – 2015-03-24
- Data Source
  KAKENHI-PROJECT-25420686
[Presentation] Theory of Gilbert damping
- Author(s)
  佐久間　昭正
- Organizer
  第13回スピントロニクス入門セミナー・若手研究会
- Place of Presentation
  岩沼モンタナリゾートホテル（宮城県岩沼市）
- Year and Date
  2014-10-27 – 2014-10-29
- Invited
- Data Source
  KAKENHI-PROJECT-25420686
[Presentation] Generaton of spin current from ferromagnetic materials with negative spin polarization
- Author(s)
  S. Isogami, M. Tsunoda, M. Oogane, A. Sakuma and M. Takahashi
- Organizer
  0th International Magnetics Conference, Dresden
- Place of Presentation
  Dresden (Germany)
- Year and Date
  2014-05-04 – 2014-05-08
- Data Source
  KAKENHI-PROJECT-24710154

1. TSUCHIURA Hiroki (30374961)

# of Collaborated Projects: 6 results

# of Collaborated Products: 43 results
2. MIURA Daisuke (90708455)

# of Collaborated Projects: 4 results

# of Collaborated Products: 41 results
3. TOBISE Masahiro (30766762)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
4. 齊藤伸 (50344700)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
5. MIURA Yoshio (10361198)

# of Collaborated Projects: 3 results

# of Collaborated Products: 1 results
6. SHIRAI Masafumi (70221306)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
7. DOI MASAAKI (10237167)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
8. 栂裕太 (70641231)

# of Collaborated Projects: 3 results

# of Collaborated Products: 2 results
9. ABE Kazutaka (00361197)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
10. 吉村哲 (40419429)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
11. 福島潤 (80634063)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
12. 小田洋平 (80751875)

# of Collaborated Projects: 2 results

# of Collaborated Products: 5 results
13. AMARENDRA Singh (00367822)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. YEVGEN Pogoryelov (60410841)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. HNIN Yu Yu Ko (40368460)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. NGUYEN Phuoc (90449489)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. WEI Lu (10465586)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. AJAY Tiwari (70508390)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. ISOGAMI Shinji (10586853)

# of Collaborated Projects: 1 results

# of Collaborated Products: 6 results
20. TSUNODA Masakiyo (80250702)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
21. OOGANE Mikihiko (50396454)

# of Collaborated Projects: 1 results

# of Collaborated Products: 6 results
22. FUKAMACHI Kazuaki (00005969)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. YAMAGAMI Hiroshi (20239867)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. NAKAMURA Kohji (70281847)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. ODA Tatsuki (30272941)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. ONO Kanta (70282572)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. 福永博俊 (10136533)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. 巨海玄道 (00111146)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. 岸尾光二 (50143392)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. 加藤宏朗 (40177465)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. 鈴木孝雄 (70005495)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. 中島健太郎 (50410840)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
33. JINHUA Yin (10367823)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
34. 田中喜典 (70410842)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
35. TIEREN Gao (20449482)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
36. 村上泰斗 (60846509)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
37. UMETSU Rie

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
38. 笹尾和宏

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
39. 佐々間昭正

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
40. OKABAYASHI Jun

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
41. 宮下精二

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
42. 水上成美

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
43. 梅津信之

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results
44. 古門聡士

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Sakuma Akimasa 佐久間 昭正

SAKUMA Akimasa 佐久間 昭正

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Establishment of the new method for material synthesis utilizing light elements and their expansion to develop rare-earth-free magnetPrincipal Investigator

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軽元素を利用した新しい物質合成法の反応メカニズムの解明と磁石材料設計指針の構築Principal Investigator

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Microscopic study on the Gilbert damping constant for the inhomogeneous spin synamicsPrincipal Investigator

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First principles calculation for the magnetic damping constants of transition metal alloys and magnetic multilayersPrincipal Investigator

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First-principles calculation of conductivity of magnetic alloys and magnetic multilayersPrincipal Investigator

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Theoretical study on the inter-grain magnetic interaction in the panoscopic assembled rare earth magnetic materialsPrincipal Investigator

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Theoretical study on the magnetic structures at the interfaces of magnetic multi-layers and the spin dynamicsPrincipal Investigator

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Sakuma Akimasa 佐久間昭正

SAKUMA Akimasa 佐久間昭正