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@ARTICLE{Lezaic:52029,
      author       = {Lezaic, M. and Mavropoulos, Ph. and Enkovaara, J. and
                      Bihlmayer, G. and Blügel, S.},
      title        = {{T}hermal {C}ollapse of {S}pin {P}olarization in
                      {H}alf-{M}etallic {F}erromagnets},
      journal      = {Physical review letters},
      volume       = {97},
      issn         = {0031-9007},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-52029},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We propose two novel approaches to study the temperature
                      dependence of the magnetization and the spin polarization at
                      the Fermi level in magnetic compounds, and apply them to
                      half-metallic ferromagnets. We reveal a new mechanism, where
                      the hybridization of states forming the half-metallic gap
                      depends on thermal spin fluctuations and the polarization
                      can drop abruptly at temperatures much lower than the Curie
                      point. We verify this for NiMnSb by ab initio calculations.
                      The thermal properties are studied by mapping ab initio
                      results to an extended Heisenberg model which includes
                      longitudinal fluctuations and is solved by a Monte Carlo
                      method.},
      keywords     = {J (WoSType)},
      cin          = {IFF-TH-I / JARA-FIT / JARA-SIM},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB30 / $I:(DE-82)080009_20140620$ /
                      I:(DE-Juel1)VDB1045},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000239057200048},
      doi          = {10.1103/PhysRevLett.97.026404},
      url          = {https://juser.fz-juelich.de/record/52029},
}