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@ARTICLE{Meyer:49700,
      author       = {Meyer, R. and Guo, X. and Waser, R.},
      title        = {{N}onlinear electrical properties of grain boundaries in
                      oxygen ion conductors - {M}odeling the varistor behavior},
      journal      = {Electrochemical and solid-state letters},
      volume       = {8},
      issn         = {1099-0062},
      address      = {Pennington, NJ},
      publisher    = {Soc.},
      reportid     = {PreJuSER-49700},
      pages        = {E67},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We report on numerical simulations of the grain-boundary
                      varistor behavior recently observed in Y2O3-doped CeO2 of
                      high purity. The aim of this study is to disclose the nature
                      of the nonlinear electrical properties of the grain
                      boundaries in oxygen ion conductors. Under small voltages (<
                      25 mV), the simulation shows a linear current-voltage
                      relation dominated by the grain-boundary resistance. Under
                      intermediate voltages (25-200 mV), the simulation discloses
                      a grain-boundary resistance breakdown and a nonlinear
                      current-voltage relation. The increase of ionic charge
                      carriers in the grain-boundary space-charge layer is the
                      cause for the nonlinear behavior. Calculations are compared
                      to experimental results. (c) 2005 The Electrochemical
                      Society.},
      keywords     = {J (WoSType)},
      cin          = {IFF-IEM},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB321},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK242},
      shelfmark    = {Electrochemistry / Materials Science, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000231390900030},
      doi          = {10.1149/1.2008940},
      url          = {https://juser.fz-juelich.de/record/49700},
}