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@ARTICLE{Nowicki:25856,
      author       = {Nowicki, M. and Bombis, C. and Emundts, A. and Bonzel, D.
                      I. and Wynblatt, P.},
      title        = {{U}niversal exponents and step-step interactions on vicinal
                      {P}b(111) surfaces},
      journal      = {epl},
      volume       = {59},
      issn         = {0295-5075},
      address      = {Les Ulis},
      publisher    = {EDP Sciences},
      reportid     = {PreJuSER-25856},
      pages        = {239 - 244},
      year         = {2002},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {A 1 mum diameter Pb crystallite, supported on Ru(001), was
                      equilibrated and imaged by scanning tunneling microscopy at
                      298 K. The vicinal shapes close to the (111) facet at the
                      top of the crystal were analyzed in detail to determine the
                      critical shape exponent and the step-step interaction energy
                      as well as the interaction constant of the potential. An
                      average shape exponent of 1.47 and a step interaction energy
                      of similar to32 meV/Angstrom(2) were obtained. The exponent
                      is very close to the theoretically predicted universal value
                      of 3/2 and as such provides clear evidence for a dominant
                      1/x(2) step interaction potential. The ratio of step free
                      energy to step interaction energy for Pb at 298 K is similar
                      to0.34.},
      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:000176877200013},
      doi          = {10.1209/epl/i2002-00232-4},
      url          = {https://juser.fz-juelich.de/record/25856},
}