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@ARTICLE{Schroeder:32006,
      author       = {Schroeder, H. and Schmitz, S. and Meuffels, P.},
      title        = {{L}eakage currents in high-permittivity thin films},
      journal      = {Applied physics letters},
      volume       = {82},
      issn         = {0003-6951},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {PreJuSER-32006},
      pages        = {781},
      year         = {2003},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Quite often leakage current data through high-permittivity
                      thin films exhibit straight lines in the "Schottky" plot,
                      i.e., log (current density j) versus sqrt (mean applied
                      field), which suggests an electrode-limited current by
                      field-enhanced thermionic emission. Unfortunately, the
                      extracted permittivity at optical frequencies seldom is in
                      agreement with experimental values and often is unacceptably
                      small, i.e., <1. We suggest a model demonstrating that the
                      leakage current in high-permittivity thin films is
                      bulk-limited, but still is showing the characteristic
                      dependence of thermionic emission. This is due to a
                      combination of boundary conditions of the model,
                      low-permittivity thin layers ("dead layer") at the
                      electrodes and current injection/recombination terms at the
                      injecting/collecting electrodes, respectively. (C) 2003
                      American Institute of Physics.},
      keywords     = {J (WoSType)},
      cin          = {IFF-EKM},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB35},
      pnm          = {Materialien, Prozesse und Bauelemente für die Mikro- und
                      Nanoelektronik / Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK252 / G:(DE-Juel1)FUEK242},
      shelfmark    = {Physics, Applied},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000180687600040},
      doi          = {10.1063/1.1541096},
      url          = {https://juser.fz-juelich.de/record/32006},
}