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@ARTICLE{Schwarz:201035,
      author       = {Schwarz, Daniel and van Gastel, Raoul and Zandvliet, Harold
                      J. W. and Poelsema, Bene},
      title        = {{F}ormation and decay of a compressed phase of
                      4,4′-biphenyldicarboxylic acid on {C}u(001)},
      journal      = {Physical chemistry, chemical physics},
      volume       = {15},
      number       = {14},
      issn         = {1463-9084},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2015-03345},
      pages        = {5007-5016},
      year         = {2013},
      abstract     = {The molecular arrangement of 4,4′-biphenyldicarboxylic
                      acid (BDA) on Cu(001) has been studied at high coverage and
                      relatively high temperature ([similar]400 K) using Low
                      Energy Electron Microscopy, LEEM, and selected area
                      diffraction, μLEED. Next to the previously reported c(8 ×
                      8) structure, we also observe a compressed phase with a
                      Image ID:c3cp00049d-t1.gif superstructure in matrix
                      notation. All four equivalent (rotational and mirror)
                      domains are equally populated. Both the c(8 × 8) and the
                      compressed phase are confined to the first layer and the
                      latter has a $14\%$ higher density compared to the c(8 × 8)
                      phase. Remarkably, this compressed phase is stable only
                      during deposition and decays after interruption of the
                      deposition. Apparently, the density of physisorbed
                      admolecules on top of the c(8 × 8) layer has to be above a
                      relevant threshold to allow the formation of the compressed
                      phase.},
      cin          = {PGI-3},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-3-20110106},
      pnm          = {422 - Spin-based and quantum information (POF2-422)},
      pid          = {G:(DE-HGF)POF2-422},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000316007900020},
      doi          = {10.1039/c3cp00049d},
      url          = {https://juser.fz-juelich.de/record/201035},
}