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@ARTICLE{Dieluweit:28616,
      author       = {Dieluweit, S. and Ibach, H. and Giesen, M. and Einstein, T.
                      L.},
      title        = {{O}rientation dependence of step stiffness: {F}ailure of
                      {SOS} and {I}sing {M}odels to describe experimental data},
      journal      = {Physical review / B},
      volume       = {67},
      number       = {12},
      issn         = {0163-1829},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-28616},
      pages        = {121410},
      year         = {2003},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We have investigated the step stiffness on Cu(001) surfaces
                      as a function of step orientation by two independent methods
                      at several temperatures near 300 K. Both sets of data agree
                      well and show a substantial dependence of the stiffness on
                      the angle of orientation. With the exception of steps
                      oriented along [110], the experimental stiffness is
                      significantly larger than the stiffness calculated within
                      the solid-on-solid model and the Ising model, even if
                      next-nearest-neighbor interactions are taken into account.
                      Our results have considerable consequences for the
                      understanding and for the theoretical modeling of
                      equilibrium and growth phenomena, such as step meandering
                      instabilities.},
      keywords     = {J (WoSType)},
      cin          = {ISG-3 / ISG-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB43 / I:(DE-Juel1)VDB44},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK242},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000182158000030},
      doi          = {10.1103/PhysRevB.67.121410},
      url          = {https://juser.fz-juelich.de/record/28616},
}