Current-induced domain wall motion in disordered systems

2010 Fiscal Year Final Research Report

• 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
• 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

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 Pages: 07C735(1-3)
  • 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] 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
• [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 (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 (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] 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] 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] 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] 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] 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
• [Book] IN-THEC(Nonlinear Dynamics (Chapter 2)) (2010)
  • Author(s): Jun'ichi Ieda
  • Total Pages: 28
  • Publisher: Miki Wadati
• [Remarks] ホームページ等
  • URL: http://asrc.jaea.go.jp/soshiki/gr/mori-gr/index.html