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@ARTICLE{Lounis:56664,
      author       = {Lounis, S. and Mavropoulos, Ph. and Zeller, R. and
                      Dederichs, P. H. and Blügel, S.},
      title        = {{N}oncollinear magnetism of {C}r and {M}n nanoclusters on
                      {N}i(111): {C}hanging the magnetic configuration atom by
                      atom},
      journal      = {Physical review / B},
      volume       = {75},
      number       = {17},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-56664},
      pages        = {174436},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The Korringa-Kohn-Rostoker Green-function method for
                      noncollinear magnetic structures was applied on Mn and Cr
                      nanoclusters deposited on the Ni(111) surface. We consider
                      various dimers, trimers, and tetramers. We obtain collinear
                      and noncollinear magnetic solutions, brought about by the
                      competition of antiferromagnetic interactions. It is found
                      that the triangular geometry of the Ni(111) substrate,
                      together with the intracluster antiferromagnetic
                      interactions, is the main cause of the noncollinear states,
                      which are secondarily affected by the cluster-substrate
                      exchange interactions. The stabilization energy of the
                      noncollinear, compared to the collinear, states is
                      calculated to be typically of the order of 100 meV/atom,
                      while multiple local-energy minima are found, corresponding
                      to different noncollinear states, differing typically by
                      1-10 meV/atom. Open structures exhibit sizable total
                      moments, while compact clusters tend to have very small
                      total moments, resulting from the complex frustration
                      mechanisms in these systems.},
      keywords     = {J (WoSType)},
      cin          = {CNI / IFF-1 / IFF-3 / JARA-FIT / JARA-SIM},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB381 / I:(DE-Juel1)VDB781 /
                      I:(DE-Juel1)VDB783 / $I:(DE-82)080009_20140620$ /
                      I:(DE-Juel1)VDB1045},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000246890500102},
      doi          = {10.1103/PhysRevB.75.174436},
      url          = {https://juser.fz-juelich.de/record/56664},
}