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@ARTICLE{Peter:40817,
      author       = {Peter, F. and Szot, K. and Waser, R. and Reichenberg, B.
                      and Tiedke, S. and Szade, J.},
      title        = {{P}iezoresponse in the light of surface adsorbates:
                      {R}elevance of defined surface conditions for perovskite
                      materials},
      journal      = {Applied physics letters},
      volume       = {85},
      issn         = {0003-6951},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {PreJuSER-40817},
      pages        = {2896},
      year         = {2004},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We report on the influence of a surface layer prevailing on
                      perovskites on the piezoelectricity measured by
                      piezoresponse force microscopy. Surface sensitive
                      measurements show that this layer consists of chemisorbates
                      and physisorbates. The surface layer can be removed to a
                      large extent by heating the sample under ultrahigh vacuum
                      conditions. It is shown that the effect of this treatment on
                      the piezoresponse of the material is significant as the
                      potential difference applied to the sample is no longer
                      reduced by a voltage drop across the adsorbate layer. As a
                      consequence the internal electric field is higher in
                      comparison to the presence of a layer and so the
                      piezoresponse is higher as well. (C) 2004 American Institute
                      of Physics.},
      keywords     = {J (WoSType)},
      cin          = {IFF-IEM / CNI},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB321 / I:(DE-Juel1)VDB381},
      pnm          = {Materialien, Prozesse und Bauelemente für die Mikro- und
                      Nanoelektronik},
      pid          = {G:(DE-Juel1)FUEK252},
      shelfmark    = {Physics, Applied},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000224547300074},
      doi          = {10.1063/1.1799241},
      url          = {https://juser.fz-juelich.de/record/40817},
}