Domain Wall Depinning Assisted by Current-Induced Oersted Field in Nano-oxide Layer Inserted Magnetic Stripes

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The effect of the local Oersted field on a pinned domain wall (DW) was investigated in a magnetic spin-valve nanowire. The Oersted field is produced by a low current, which is confined under a nano-oxide layer (NOL) inserted into the NiFe layer in sub/NiFe/Cu/NiFe/NOL/NiFe. It was found that the depinning field of the pinned DW decreases linearly as the magnitude of current (or equivalently Oersted field) increases. The Oersted field was believed to change the internal magnetic structure of DW, such that the DW pinning energy was lowered, resulting in the reduction of the depinning field.

収録刊行物

  • Applied physics express

    Applied physics express 4(11), 113004-113004-3, 2011-11-25

    The Japan Society of Applied Physics

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各種コード

  • NII論文ID(NAID)
    10030153525
  • NII書誌ID(NCID)
    AA12295133
  • 本文言語コード
    EN
  • 資料種別
    SHO
  • ISSN
    18820778
  • NDL 記事登録ID
    023321203
  • NDL 請求記号
    Z78-A526
  • データ提供元
    CJP書誌  NDL  JSAP 
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