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@ARTICLE{Slipukhina:5500,
      author       = {Slipukhina, I. and Arras, E. and Mavropoulos, Ph. and
                      Pochet, P.},
      title        = {{S}imulation of the enhanced {C}urie temperature in
                      {M}n5{G}e3{C}x compounds},
      journal      = {Applied physics letters},
      volume       = {94},
      issn         = {0003-6951},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {PreJuSER-5500},
      pages        = {192505},
      year         = {2009},
      note         = {S. acknowledges the CEA nanosciences program and P. M. the
                      ESF SONS Contract No. ERAS-CT-2003-980409 for partial
                      funding. The simulations were performed at the CCRT and at
                      the Julich JSC in the framework of the collaboration between
                      CEA and Helmholtz institutes.},
      abstract     = {Mn5Ge3Cx films with x >= 0.5 were experimentally shown to
                      exhibit a strongly enhanced Curie temperature T-C compared
                      to Mn5Ge3. In this letter we present the results of our
                      first principles calculations within Green's function
                      approach, focusing on the effect of carbon doping on the
                      electronic and magnetic properties of the Mn5Ge3. The
                      calculated exchange coupling constants revealed an
                      enhancement of the ferromagnetic Mn-Mn interactions mediated
                      by carbon. The essentially increased T-C in Mn5Ge3C is well
                      reproduced in our Monte Carlo simulations and together with
                      the decrease of the total magnetization is found to be
                      predominantly of an electronic nature.},
      keywords     = {J (WoSType)},
      cin          = {IAS-1 / IFF-1 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)VDB781 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Applied},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000266263400041},
      doi          = {10.1063/1.3134482},
      url          = {https://juser.fz-juelich.de/record/5500},
}