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@ARTICLE{Geranton:810697,
      author       = {Geranton, Guillaume and Zimmermann, Bernd and Long, Nguyen
                      H. and Mavropoulos, Phivos and Blügel, Stefan and Freimuth,
                      Frank and Mokrousov, Yuriy},
      title        = {{S}pin-orbit torques and spin accumulation in {F}e{P}t/{P}t
                      and {C}o/{C}u thin films from first principles: {T}he role
                      of impuritiesra},
      journal      = {Physical review / B},
      volume       = {93},
      number       = {22},
      issn         = {2469-9950},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2016-03294},
      pages        = {224420},
      year         = {2016},
      abstract     = {Using the Boltzmann formalism based on the first principles
                      electronic structure and scattering rates, we investigate
                      the current-induced spin accumulation and spin-orbit torques
                      in FePt/Pt and Co/Cu bilayers in the presence of
                      substitutional impurities. In FePt/Pt bilayers we consider
                      the effect of intermixing of Fe and Pt atoms in the FePt
                      layer and find a crucial dependence of spin accumulation and
                      spin-orbit torques on the details of the distribution of
                      these defects. In Co/Cu bilayers we predict that the
                      magnitude and sign of the spin-orbit torque and spin
                      accumulation depend very sensitively on the type of the
                      impurities used to dope the Cu substrate. Moreover,
                      simultaneously with impurity-driven scattering, we consider
                      the effect of an additional constant quasiparticle
                      broadening of the states at the Fermi surface to simulate
                      phonon scattering at room temperature and discover that even
                      a small broadening of the order of 25 meV can drastically
                      influence the magnitude of the considered effects. We
                      explain our findings based on the analysis of the complex
                      interplay of several competing Fermi surface contributions
                      to the spin accumulation and spin-orbit torques in these
                      structurally and chemically nonuniform systems.},
      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) / 143 -
                      Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-142 / G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000378104600002},
      doi          = {10.1103/PhysRevB.93.224420},
      url          = {https://juser.fz-juelich.de/record/810697},
}