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@ARTICLE{Ozdogan:6583,
      author       = {Ozdogan, K. and Sasioglu, E. and Galanakis, I.},
      title        = {{T}uning the magnetic properties of half-metallic
                      semi-{H}eusler alloys by sp-electron substitution: the case
                      of {A}u{M}n{S}n1-x{S}bx quaternary alloys},
      journal      = {Journal of physics / D},
      volume       = {42},
      issn         = {0022-3727},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {PreJuSER-6583},
      pages        = {085003},
      year         = {2009},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We study the electronic and magnetic properties of the
                      quaternary AuMnSn1-xSbx Heusler alloys using first
                      principles calculations. We determine their magnetic phase
                      diagram and show that they present a phase transition from a
                      ferromagnetic (FM) to an antiferromagnetic (AFM) state with
                      increasing Sb concentration. For large Sb concentrations the
                      AFM superexchange coupling dominates over the FM RKKY-like
                      exchange mechanism. This behaviour is similar to that
                      demonstrated by the isovalent Ni1-xCuxMnSb alloy studied
                      recently by the authors (Galanakis et al 2008 Phys. Rev. B
                      77 214417). Thus the variation of the concentration of the
                      sp-electrons (Sn and Sb atoms) in the AuMnSn1-xSbx compound
                      and the variation of the concentration of the non-magnetic
                      3d atoms (Cu) in Ni1-xCuxMnSb lead to a similar tuning of
                      the magnetic properties of the two Heusler alloys. We show
                      that the inclusion of correlation effects does not alter the
                      phase diagram of the AuMnSn1-xSbx compound. The calculated
                      results are in good agreement with the available
                      experimental data.},
      keywords     = {J (WoSType)},
      cin          = {IFF-1 / IAS-1 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB781 / I:(DE-Juel1)IAS-1-20090406 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Applied},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000265248300026},
      doi          = {10.1088/0022-3727/42/8/085003},
      url          = {https://juser.fz-juelich.de/record/6583},
}