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@ARTICLE{Wagner:10251,
      author       = {Wagner, C. and Kasemann, D. and Golnik, C. and Forker, R.
                      and Esselinger, M. and Müllen, K. and Fritz, T.},
      title        = {{R}epulsion between molecules on a metal: {M}onolayers and
                      submonolayers of hexa-peri-hexabenzocoronene on {A}u(111)},
      journal      = {Physical review / B},
      volume       = {81},
      number       = {3},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-10251},
      pages        = {035423},
      year         = {2010},
      note         = {Financial support by Deutsche Forschungsgemeinschaft (DFG)
                      Grants No. FR875/9 and No. FR875/11 is gratefully
                      acknowledged.},
      abstract     = {We investigate the growth of hexa-peri-hexabenzocoronene
                      (HBC) on Au(111) for monolayer (ML) and sub-ML coverage by
                      scanning tunneling microscopy and low-energy electron
                      diffraction. A transition from a disordered isotropic phase
                      at low coverage to a highly ordered phase with a
                      coverage-dependent lattice constant at higher coverage is
                      found and attributed to a repulsive intermolecular force. To
                      deduce the origin of this repulsion a model is set up,
                      containing the Coulomb interaction between molecules and
                      between localized dipoles from the push-back effect, as well
                      as the intermolecular van der Waals potential. The modeling
                      of the van der Waals interaction is done on a force field
                      level. We find that the observed repulsion can only be
                      explained when assuming a certain screening of the
                      attractive London forces by the presence of the metal
                      substrate.},
      keywords     = {J (WoSType)},
      cin          = {IBN-3 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB801 / $I:(DE-82)080009_20140620$},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK414},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000274002300113},
      doi          = {10.1103/PhysRevB.81.035423},
      url          = {https://juser.fz-juelich.de/record/10251},
}