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@ARTICLE{Guo:34062,
      author       = {Guo, X. and Ding, Y.},
      title        = {{G}rain boundary space charge effect in {Z}irconia},
      journal      = {Journal of the Electrochemical Society},
      volume       = {151},
      issn         = {0013-4651},
      address      = {Pennington, NJ},
      publisher    = {Electrochemical Society},
      reportid     = {PreJuSER-34062},
      pages        = {J1 - J7},
      year         = {2004},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {According to the space charge concept, oxygen vacancies are
                      depleted in the grain boundary space charge layers of
                      acceptor-doped ZrO2; whereas electrons are expected to
                      accumulate in the space charge layers if present, leading to
                      significant changes in the grain boundary electrical
                      properties. In this work, electrons were introduced to 8 mol
                      $\%$ TiO2 and 7.36 mol $\%$ Y2O3-codoped ZrO2 by annealing
                      in the mixture of $2\%$ H-2-Ar; as a result, the grain
                      boundary arc disappeared, and the electrical conductivities
                      increased considerably, especially for the sample with finer
                      grain size. Both phenomena suggest highly conductive grain
                      boundaries resulting from the accumulation of electrons in
                      the space charge layers. (C) 2003 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, Coatings $\&$ Films},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000187428800073},
      doi          = {10.1149/1.1625948},
      url          = {https://juser.fz-juelich.de/record/34062},
}