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@ARTICLE{Menke:3983,
      author       = {Menke, T. and Meuffels, P. and Dittmann, R. and Szot, K.
                      and Waser, R.},
      title        = {{S}eparation of bulk and interface contributions to
                      electroforming and resistive switching behavior of epitaxial
                      {F}e-doped {S}r{T}i{O}3},
      journal      = {Journal of applied physics},
      volume       = {105},
      issn         = {0021-8979},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {PreJuSER-3983},
      pages        = {066104},
      year         = {2009},
      note         = {We thank R. Muenstermann and K. Shibuya for helpful
                      discussions and Intel Inc. for financial support.},
      abstract     = {We succeeded in the separation of bulk and interface
                      contributions to the electroforming and resistive switching
                      behavior of Pt/STO(Fe)/Nb:STO devices by performing
                      impedance spectroscopy. Two distinctive features observed in
                      the impedance spectra could be assigned to the STO(Fe) bulk
                      and to the depletion layer of the Pt/STO(Fe) Schottky
                      contact. We attribute the resistance change during the dc
                      forming process to a local bypassing of the depletion layer
                      caused by oxygen effusion to the environment. By comparing
                      the impedance spectra in the resistive "on" and "off"
                      states, we propose that the resistance of the STO(Fe)/Nb:STO
                      interface locally changes during the switching process.},
      keywords     = {J (WoSType)},
      cin          = {IFF-6 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB786 / $I:(DE-82)080009_20140620$},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Applied},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000264774000203},
      doi          = {10.1063/1.3100209},
      url          = {https://juser.fz-juelich.de/record/3983},
}