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@ARTICLE{Chaudhary:857065,
      author       = {Chaudhary, Gaurav and dos Santos Dias, Manuel and
                      MacDonald, Allan H. and Lounis, Samir},
      title        = {{A}natomy of magnetic anisotropy induced by {R}ashba
                      spin-orbit interactions},
      journal      = {Physical review / B},
      volume       = {98},
      number       = {13},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2018-06333},
      pages        = {134404},
      year         = {2018},
      abstract     = {Magnetic anisotropy controls the orientational stability
                      and switching properties of magnetic states, and therefore
                      plays a central role in spintronics. First-principles
                      density functional theory calculations are able, in most
                      cases, to provide a satisfactory description of bulk and
                      interface contributions to the magnetic anisotropy of
                      particular film/substrate combinations. In this paper we
                      focus on achieving a simplified understanding of some trends
                      in interfacial magnetic anisotropy based on a simple
                      tight-binding model for quasiparticle states in a
                      heavy-metal/ferromagnetic-metal bilayer film. We explain how
                      to calculate the magnetic anisotropy energy of this model
                      from the quasiparticle spin susceptibility, compare with
                      more conventional approaches using either a perturbative
                      treatment of spin-orbit interactions or a direct calculation
                      of the dependence of the energy on the orientation of the
                      magnetization, and show that the magnetic anisotropy can be
                      interpreted as a competition between a Fermi sea term
                      favoring perpendicular anisotropy and a Fermi surface term
                      favoring in-plane anisotropy. Based on this finding, we
                      conclude that perpendicular magnetic anisotropy should be
                      expected in an itinerant electron thin film when the spin
                      magnetization density is larger than the product of the band
                      exchange splitting and the Fermi level density of states of
                      the magnetic state.},
      cin          = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
                      $I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
      pnm          = {142 - Controlling Spin-Based Phenomena (POF3-142)},
      pid          = {G:(DE-HGF)POF3-142},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000446295800001},
      doi          = {10.1103/PhysRevB.98.134404},
      url          = {https://juser.fz-juelich.de/record/857065},
}