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@ARTICLE{Tas:809775,
      author       = {Tas, Murat and Sasioglu, Ersoy and Galanakis, I. and
                      Friedrich, Christoph and Blügel, Stefan},
      title        = {{Q}uasiparticle band structure of the almost-gapless
                      transition-metal-based {H}eusler semiconductors143},
      journal      = {Physical review / B},
      volume       = {93},
      number       = {19},
      issn         = {2469-9950},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2016-02702},
      pages        = {195155},
      year         = {2016},
      abstract     = {Transition-metal-based Heusler semiconductors are promising
                      materials for a variety of applications ranging from
                      spintronics to thermoelectricity. Employing the GW
                      approximation within the framework of the FLAPW method, we
                      study the quasiparticle band structure of a number of such
                      compounds being almost gapless semiconductors. We find that
                      in contrast to the sp-electron based semiconductors such as
                      Si and GaAs, in these systems, the many-body corrections
                      have a minimal effect on the electronic band structure and
                      the energy band gap increases by less than 0.2 eV, which
                      makes the starting point density functional theory (DFT) a
                      good approximation for the description of electronic and
                      optical properties of these materials. Furthermore, the band
                      gap can be tuned either by the variation of the lattice
                      parameter or by the substitution of the sp-chemical
                      element.},
      cin          = {IAS-1 / PGI-1 / JARA-FIT / JARA-HPC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106 /
                      $I:(DE-82)080009_20140620$ / $I:(DE-82)080012_20140620$},
      pnm          = {142 - Controlling Spin-Based Phenomena (POF3-142) / 143 -
                      Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-142 / G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000376637500002},
      doi          = {10.1103/PhysRevB.93.195155},
      url          = {https://juser.fz-juelich.de/record/809775},
}