TMR効果を用いた磁気渦ダイナミクスの時間分解測定  [in Japanese] Real-time Detection of Magnetic Vortex Dynamics by Using Tunneling Magnetoresistance Effect  [in Japanese]

Abstract

Magnetic vortex dynamics has been intensively studied because of its potential application to non-volatile and high-density magnetic random access memory. Here, we demonstrate that the magnetic vortex dynamics can be detected by using a magnetic tunnel junction (MTJ). The huge output of the MTJ allows us to detect the magnetic vortex dynamics not only in the frequency domain, but also in the real-time regime. In the high current-density regime, changes of the phase of the output signal have been detected, which suggest switching events of the polarity of the magnetic vortex core.

Journal

Journal of the Magnetics Society of Japan   [List of Volumes]

Journal of the Magnetics Society of Japan 33(1), 1-4, 2009-01-01  [Table of Contents]

The Magnetics Society of Japan (MSJ)

References:  22

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Codes

  • NII Article ID (NAID) :
    110007008443
  • NII NACSIS-CAT ID (NCID) :
    AA12297999
  • Text Lang :
    JPN
  • Article Type :
    SHO
  • ISSN :
    18822924
  • NDL Article ID :
    9761406
  • NDL Source Classification :
    ZM35(科学技術--物理学)
  • NDL Call No. :
    Z15-398
  • DOI :
    10.3379/msjmag.33.1
  • Databases :
    CJP  NDL  NII-ELS  J-STAGE 

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