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@ARTICLE{Staab:53748,
      author       = {Staab, T. E. M. and Nieminen, R. M. and Luysberg, M. and
                      Frauenheim, Th.},
      title        = {{A}gglomeration of {A}s antisites in {A}s-rich
                      low-temperature {G}a{A}s: {N}ucleation without a critical
                      nucleus size},
      journal      = {Physical review letters},
      volume       = {95},
      issn         = {0031-9007},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-53748},
      pages        = {125502},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {To investigate the early stages of nucleation and growth of
                      As precipitates in GaAs grown at low substrate temperature,
                      we make use of a self-consistent-charge density-functional
                      based tight-binding method. Since a pair of As antisites
                      already shows a significant binding energy which increases
                      when more As antisites are attached, there is no critical
                      nucleus size. Provided that all excess As has precipitated,
                      the clusters may grow in size since the binding energies
                      increase with increasing agglomeration size. These findings
                      close the gap between experimental investigation of point
                      defects and the detection of nanometer-size precipitates in
                      transmission electron microscopy.},
      keywords     = {J (WoSType)},
      cin          = {IFF-IMF},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB37},
      pnm          = {Materialien, Prozesse und Bauelemente für die Mikro- und
                      Nanoelektronik},
      pid          = {G:(DE-Juel1)FUEK252},
      shelfmark    = {Physics, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000231908200031},
      doi          = {10.1103/PhysRevLett.95.125502},
      url          = {https://juser.fz-juelich.de/record/53748},
}