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@ARTICLE{Romanyuk:58708,
      author       = {Romanyuk, K. and Cherepanov, V. and Voigtländer, B.},
      title        = {{S}ymmetry breaking in the growth of two-dimensional
                      islands on {S}i(111)},
      journal      = {Physical review letters},
      volume       = {99},
      issn         = {0031-9007},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-58708},
      pages        = {126103},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We find that the shape of two-dimensional (2D) Si or Ge
                      islands has a lower symmetry than the threefold symmetry of
                      the underlying Si(111) substrate if Bi is used as a
                      surfactant during growth. Arrow-shaped or rhomb-shaped 2D
                      islands are observed by scanning tunneling microscopy. This
                      symmetry breaking is explained by a mutual shift between the
                      surface reconstructions present on the substrate and on the
                      islands. Using the kinematic Wulff construction the growth
                      velocities of the steps could be determined from the island
                      shape if the nucleation center has been located by a marker
                      technique.},
      keywords     = {J (WoSType)},
      cin          = {IBN-3 / CNI / JARA-FIT},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB801 / I:(DE-Juel1)VDB381 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000249668000048},
      doi          = {10.1103/PhysRevLett.99.126103},
      url          = {https://juser.fz-juelich.de/record/58708},
}