Current-induced domain wall motion in disordered systems

• Project/Area Number: 20740182
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Condensed matter physics II
• Research Institution: Tohoku University
• Principal Investigator: IEDA Junichi Tohoku University, 先端基礎研究センター, 任期付研究員 (20463797)
• Project Period (FY): 2008 – 2010
• Project Status: Completed (Fiscal Year 2010)
• Budget Amount: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000); Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2009: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
• Keywords: 磁性 / 磁気ナノ構造 / 磁壁 / スピン流 / スピントルク / 形状効果 / クリープ運動 / スピントロニクス / 角運動量移行 / スピン起電力 / 非一様性 / マイクロマグネティックス / 数値シミュレーション / 磁性細線 / 集団座標 / 非線形性

Research Abstract

Current-induced domain wall motion in submicron regime ferromagnets is theoretically studied by taking account of effects arising from various types of disorder in magnetic media.

Research Products

• [Journal Article] Equation-of-motion approach of spin-motive force (2011)
  • Author(s): Y.Yamane, J.Ieda, J.Ohe, S.E.Barnes, S.Maekawa
  • Journal Title: Journal of Applied Physics 109
  • Peer Reviewed
• [Journal Article] Equation-of-motion approach of spin-motive force (2011)
  • Author(s): Y.Yamane, J.Ieda, J.Ohe, S.E.Barnes, S.Maekawa
  • Journal Title: Journal of Applied Physics Volume: 109
  • Peer Reviewed
• [Journal Article] 巨大磁気抵抗効果(GMR)からトンネル磁気抵抗効果(TMR)へ (2010)
  • Author(s): 前川禎通、家田淳一
  • Journal Title: 日本物理学会誌 65(依頼原稿) Pages: 324-330
  • Peer Reviewed
• [Journal Article] Current-induced domain wall motion in magnetic nanowires with spatial variation (2010)
  • Author(s): J.Ieda, H.Sugishita, S.Maekawa
  • Journal Title: Journal of Magnetism and Magnetic Materials 322 Pages: 1363-1367
  • Peer Reviewed
• [Journal Article] 巨大磁気抵抗効果(GMR)からトンネル磁気抵抗効果(TMR)へ (2010)
  • Author(s): 前川禎通、家田淳一
  • Journal Title: 日本物理学会誌 Volume: 65 Pages: 324-330
  • Peer Reviewed
• [Journal Article] Current-Induced Domain Wall Creep in Magnetic Wires (2009)
  • Author(s): J.Ieda, S.Maekawa, S.E.Barnes
  • Journal Title: Proceedings of the ISQM-Tokyo`08 Pages: 134-137
  • Peer Reviewed
• [Journal Article] ナノ構造磁性体における磁壁ダイナミックスの理論 (2009)
  • Author(s): 家田淳一、前川禎通
  • Journal Title: まぐね 4(依頼原稿) Pages: 384-389
  • NAID: 10025165946
• [Journal Article] Current-Induced Domain Wall Creep in Magnetic Wires (2009)
  • Author(s): J.Ieda, S.Maekawa, S.E.Barnes
  • Journal Title: Proceedings of the ISQM-Tokyo '08 Pages: 134-137
  • Peer Reviewed
• [Journal Article] ナノ構造磁性体における磁壁ダイナミックスの理論 (2009)
  • Author(s): 家田淳一, 前川禎通
  • Journal Title: まぐね 4 Pages: 384-389
  • NAID: 10025165946
• [Presentation] 細線形状効果による磁壁運動とスピン起電力(2) (2011)
  • Author(s): 山根結太、家田淳一、大江純一郎、前川禎通
  • Organizer: 日本物理学会第66回年次大会
  • Place of Presentation: 新潟(新潟大学)
  • Year and Date: 2011-03-25
• [Presentation] 細線形状効果による磁壁運動とスピン起電力(2) (2011)
  • Author(s): 山根結太、家田淳一、大江純一郎、前川禎通
  • 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
• [Presentation] 細線形状効果による磁壁運動とスピン起電力 (2011)
  • Author(s): 山根結太、家田淳一、大江純一郎、前川禎通
  • Organizer: 特定領域研究スピン流の創出と制御平成22年度成果報告会
  • Place of Presentation: 東京(東京大学)
  • Year and Date: 2011-01-06
• [Presentation] 細線形状効果による磁壁運動とスピン起電力 (2011)
  • Author(s): 山根結太、家田淳一、大江純一郎、前川禎通
  • Organizer: 文部科学省科学研究費補助金特定領域研究スピン流の創出と制御平成22年度成果報告会
  • Place of Presentation: 東京大学武田先端知ビル
  • Year and Date: 2011-01-06
• [Presentation] 細線形状効果による磁壁運動とスピン起電力 (2010)
  • Author(s): 山根結太、家田淳一、大江純一郎、前川禎通
  • Organizer: 日本物理学会2010年秋季大会
  • Place of Presentation: 大阪(大阪府大)
  • Year and Date: 2010-09-24
• [Presentation] 細線形状効果による磁壁運動とスピン起電力 (2010)
  • Author(s): 山根結太、家田淳一、大江純一郎、前川禎通
  • 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: 2010-09-24
• [Presentation] Electric detection of spin wave resonance using inverse spin-Hall effect (2010)
  • Author(s): J.Ieda
  • Organizer: Joint European Magnetic Symposia (JEMS2010)
  • Place of Presentation: Krakow, Poland
  • Year and Date: 2010-08-25
• [Presentation] Vortex Domain Wall Motion in Disordered Nanowires (2010)
  • Author(s): J.Ieda, H.Sugishita, S.Maekawa
  • Organizer: The 4th International Workshop on Spin Currents
  • Place of Presentation: Sendai, Japan
  • Year and Date: 2010-02-08
• [Presentation] Vortex Domain Wall Motion in Disordered Nanowires (2010)
  • Author(s): 家田淳一, 杉下裕樹, 前川禎通
  • Organizer: 4th International Workshop on Spin Currents & 2nd International Workshop on Spin Caloritronics
  • Place of Presentation: Sendai, Japan
  • Year and Date: 2010-02-08
• [Presentation] 周期的な線幅変調を伴う磁性細線中の電流誘起磁壁運動 (2010)
  • Author(s): 家田淳一、杉下裕樹、前川禎通
  • Organizer: 特定領域研究スピン流の創出と制御平成21年度成果報告会
  • Place of Presentation: 東京(東京大学)
  • Year and Date: 2010-01-13
• [Presentation] 周期的な線幅変調を伴う磁性細線中の電流誘起磁壁運動 (2010)
  • Author(s): 家田淳一, 杉下裕樹, 前川禎通
  • Organizer: 文部科学省科学研究費補助金 特定領域研究 スピン流の創出と制御 平成21年度成果報告会
  • Place of Presentation: 東京大学 武田先端知ビル
  • Year and Date: 2010-01-13
• [Presentation] Dynamics of vortex domain wall in Permalloy nanowires (2009)
  • Author(s): J.Ieda, H.Sugishita, S.Maekawa
  • Organizer: The 20th International Colloquium on Magnetic Films and Surfaces
  • Place of Presentation: Berlin, Germany
  • Year and Date: 2009-07-20
• [Presentation] Dynamics of vortex domain wall in Permalloy nanowires (2009)
  • Author(s): 家田淳一, 杉下裕樹, 前川禎通
  • Organizer: 20th International Colloquium on Magnetic Films and Surfaces
  • Place of Presentation: Berlin, Germany
  • Year and Date: 2009-07-20
• [Presentation] 非一様細線における電流誘起磁壁運動(II) (2009)
  • Author(s): 杉下弘樹、家田淳一、前川禎通
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 東京(立教大学)
  • Year and Date: 2009-03-27
• [Presentation] Current-induced domain wall motion in inhomogeneous nanowires (2008)
  • Author(s): J.Ieda
  • Organizer: International Workshop Spin Transport in Condensed Matter
  • Place of Presentation: Kyoto, Japan(招待講演)
  • Year and Date: 2008-11-04
• [Presentation] Current-induced domain wall motion in inhomogeneous nanowires (2008)
  • Author(s): J. Ieda
  • Organizer: The 23rd Nishinomiya-Yukawa Memorial International Workshop, Spin Transport in Condensed Matter
  • Place of Presentation: Kyoto(京都大学)(招待講演)
  • Year and Date: 2008-11-04
• [Presentation] 非一様細線における電流誘起磁壁運動 (2008)
  • Author(s): 杉下弘樹、家田淳一、前川禎通
  • Organizer: 日本物理学会2008年秋季大会
  • Place of Presentation: 盛岡(岩手大学)
  • Year and Date: 2008-09-21
• [Presentation] Domain wall motion in variable-shaped magnetic wires (2008)
  • Author(s): J.Ieda
  • Organizer: The Joint European Magnetics Symposia
  • Place of Presentation: Dublin, Ireland(招待講演)
  • Year and Date: 2008-09-18
• [Presentation] Current-Induced Domain Wall Creep in Magnetic Wires (2008)
  • Author(s): J.Ieda
  • Organizer: ISQM-TOKYO'08
  • Place of Presentation: Saitama, Japan
  • Year and Date: 2008-08-25
• [Presentation] Current-Induced Domain Wall Creep in Magnetic Wires (2008)
  • Author(s): J. Ieda
  • Organizer: the 9th International Symposium on Foundations of Quantum Mechanics in the Light of New Technology-ISQM-TOKYO'08
  • Place of Presentation: Saitama(日立基礎研究所)
  • Year and Date: 2008-08-25
• [Book] IN-THEC(Nonlinear Dynamics (Chapter 2)) (2010)
  • Author(s): Jun'ichi Ieda
  • Total Pages: 28
  • Publisher: Miki Wadati
• [Book] Nonlinear Dynamics(Chapter 2) (2010)
  • Author(s): Jun'ichi Ieda, Miki Wadati
  • Publisher: IN-TECH
• [Remarks] ホームページ等
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• [Remarks]
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• [Remarks]
  • URL: http://db.tohoku.ac.jp/whois/detail/0820b8c0d0c6a7b7f019be215dbb06d8.html