Kinetic depinning of a magnetic domain wall above the Walker field

  • E. R. Lewis
    Imperial College London 1 Department of Physics, Blackett Laboratory, , London SW7 2BW, United Kingdom
  • D. Petit
    Imperial College London 1 Department of Physics, Blackett Laboratory, , London SW7 2BW, United Kingdom
  • L. O’Brien
    Imperial College London 1 Department of Physics, Blackett Laboratory, , London SW7 2BW, United Kingdom
  • A.-V. Jausovec
    Imperial College London 1 Department of Physics, Blackett Laboratory, , London SW7 2BW, United Kingdom
  • H. T. Zeng
    Imperial College London 1 Department of Physics, Blackett Laboratory, , London SW7 2BW, United Kingdom
  • D. E. Read
    Imperial College London 1 Department of Physics, Blackett Laboratory, , London SW7 2BW, United Kingdom
  • R. P. Cowburn
    Imperial College London 1 Department of Physics, Blackett Laboratory, , London SW7 2BW, United Kingdom

書誌事項

公開日
2011-01-24
DOI
  • 10.1063/1.3543844
公開者
AIP Publishing

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説明

<jats:p>The dynamical interaction between a transverse domain wall and a T-shaped trap is investigated, for domain wall motion in the oscillatory regime above the Walker field. We demonstrate experimentally the existence of distinct static and kinetic depinning fields in this regime, and show that the oscillatory motion of the domain wall leads to a distribution of kinetic depinning fields. Micromagnetic simulations are in good qualitative agreement with our experimental results.</jats:p>

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