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  • Bhattacharjee, Satadeep, et al. (author)
  • Theoretical Analysis of Inertia-like Switching in Magnets : Applications to a Synthetic Antiferromagnet
  • 2012
  • In: Physical Review X. - 2160-3308. ; 2:1, s. 011013-
  • Journal article (peer-reviewed)abstract
    • The magnetization dynamics of a synthetic antiferromagnet subjected to a short-magnetic-field pulse has been studied by using a combination of first principles calculations and atomistic spin-dynamics simulations. We observe switching phenomena on the time scale of tens of picoseconds, and inertia-like behavior in the magnetization dynamics. We explain the latter in terms of a dynamic redistribution of magnetic energy from the applied-field pulse to other possible energy terms, such as the exchange interaction and the magnetic anisotropy, without invoking concepts such as the inertia of an antiferro-magnetic vector. We also demonstrate that such dynamics can also be observed in a ferromagnetic material where the incident-field pulse pumps energy to the magnetic anisotropy.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Eriksson, Olle (1)
Taroni, Andrea (1)
Sanyal, Biplab (1)
Bergman, Anders (1)
Bhattacharjee, Satad ... (1)
Hellsvik, Johan (1)
University
Uppsala University (1)
Language
English (1)
Year
2012 (1)

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