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@ARTICLE{Bonzel:28486,
      author       = {Bonzel, D. I.},
      title        = {3{D} equilibrium crystal shapes in the new light of {STM}
                      and {AFM}},
      journal      = {Physics reports},
      volume       = {385},
      issn         = {0370-1573},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science, North-Holland},
      reportid     = {PreJuSER-28486},
      year         = {2003},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {A systematic study of 3D equilibrium crystal shapes (ECS)
                      can yield important surface energetic quantities, such as
                      step, kink, surface and step-step interaction free energies.
                      Observations of the ECS, especially of flat facets and
                      adjacent vicinal regions, will provide primarily relative
                      step and surface free energies. An advanced goal is to
                      determine absolute step free energies, kink formation and
                      step interaction energies. Absolute values of these energies
                      are important in governing crystal growth morphologies, high
                      temperature phase changes and kinetic processes associated
                      with shape changes. Furthermore, absolute step and kink
                      energies are the key to absolute surface free energies of
                      well defined low-index orientations. We review new
                      experiments where sections of the ECS are monitored as a
                      function of temperature to extract characteristic
                      morphological parameters, yielding absolute surface
                      energetic quantities. Attention will be paid to the question
                      of attaining true 3D equilibrium of an ensemble of
                      crystallites. The special role of scanning tunneling and
                      atomic force microscopies will be stressed. New ways of
                      overcoming the problem of the activation barrier for facet
                      growth (or shrinkage) through the study of dislocated
                      crystallites will be demonstrated. In the general context of
                      3D crystallites, the study of 2D nano-crystals, in the form
                      of adatom or vacancy islands on extended flat surfaces, will
                      be discussed. In particular, the connection between the
                      temperature dependent shape of 2D islands and the absolute
                      step and kink formation energies of the bounding steps,
                      complementary to facet shape changes of 3D crystallites, has
                      emerged as an important topic of recent research. Finally,
                      high temperature phase changes, such as surface roughening
                      and surface melting, as they have been observed by scanning
                      electron microscopy on 3D crystallites, will be briefly
                      reviewed. (C) 2003 Published by Elsevier B.V.},
      keywords     = {J (WoSType)},
      cin          = {ISG-3},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB43},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK242},
      shelfmark    = {Physics, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000185805200001},
      doi          = {10.1016/S0370-1573(03)00273-4},
      url          = {https://juser.fz-juelich.de/record/28486},
}