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Current induced dynamics of Domain Wall

Electronic current with the spin polarization drive the precession motion of the magnetization.
In the case of domain walls, the precession corresponds to the following Bloch-Neel oscillation
and is expected to be available as a microwave source.

  • A current driven Bloch-Neel oscillation of a pinning domain wall in a confinment region.
    NBosc.gif
  • Breathing mode of domain wall which induces microwave voltage signal.
    MxMyMz
    M_x.gifM_z.gifM_y.gif
  1. Journal of the Physical Society of Japan 78, (2009) 093801

References


添付ファイル: fileM_z.gif 1397件 [詳細] fileNBosc.gif 1481件 [詳細] fileM_y.gif 1519件 [詳細] fileM_x.gif 1595件 [詳細]

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Last-modified: 2017-08-19 (土) 10:00:34 (2462d)