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@ARTICLE{Akola:62273,
      author       = {Akola, J. and Jones, R. O.},
      title        = {{B}inary alloys of {G}e and {T}e: order, voids, and the
                      eutectic composition},
      journal      = {Physical review letters},
      volume       = {100},
      issn         = {0031-9007},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-62273},
      pages        = {205502},
      year         = {2008},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The liquid and amorphous structures of Ge0.15Te0.85 and
                      GeTe alloys are characterized using combined density
                      functional/molecular dynamics simulations. Te is threefold
                      coordinated, in contrast with predictions of the "8-N rule,"
                      and Ge atoms (fourfold coordinated) show octahedral and
                      tetrahedral bonding angles. Cubic local environment occurs
                      in both materials, and GeTe shows a pronounced alternation
                      of atomic types. Tetrahedral Ge coordination is more common
                      in the eutectic Ge0.15Te0.85, which comprises corner- and
                      edge-sharing GeTe4 units surrounded by Te. There is no Te
                      segregation, and the material resembles neither GeTe nor Te.
                      The ubiquitous cavities (voids) have been overlooked in
                      Ge0.15Te0.85, where they comprise over $25\%$ of the
                      volume.},
      keywords     = {J (WoSType)},
      cin          = {IFF-1},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB781},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK414},
      shelfmark    = {Physics, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000256206400045},
      doi          = {10.1103/PhysRevLett.100.205502},
      url          = {https://juser.fz-juelich.de/record/62273},
}