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@ARTICLE{Yan:201880,
      author       = {Yan, Ming and Kákay, Attila and Hertel, Riccardo},
      title        = {{P}roposal for a direct measurement of the nonadiabatic
                      spin-transfer torque parameter β and the spin-polarization
                      rate {P}},
      journal      = {Physical review / B},
      volume       = {89},
      number       = {5},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2015-04174},
      pages        = {054415},
      year         = {2014},
      abstract     = {We propose a method to measure the nonadiabatic
                      spin-transfer torque parameter β and the spin-polarization
                      rate P independently. These quantities are crucial for
                      current-driven magnetization processes, but their value
                      could so far hardly be measured. It is shown that the motion
                      of transverse domain walls in cylindrical nanowires, driven
                      by a magnetic field and by an electric current, can be used
                      to extract those values. This domain wall type propagates
                      with a precessional motion around the wire, where the domain
                      wall acts as a magnetic dipole rotating at well-defined
                      frequency. The spin-polarization rate P can be deduced from
                      the current-induced axial motion of the domain wall, while
                      the rotational frequency of the domain wall and its
                      variation with an external field allows one to determine the
                      nonadiabatic spin-transfer torque. This proposal for an
                      experiment to directly measure these quantities is based on
                      analytical calculations and micromagnetic simulations.},
      cin          = {PGI-6},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-6-20110106},
      pnm          = {422 - Spin-based and quantum information (POF2-422)},
      pid          = {G:(DE-HGF)POF2-422},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000332388700004},
      doi          = {10.1103/PhysRevB.89.054415},
      url          = {https://juser.fz-juelich.de/record/201880},
}