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@ARTICLE{Rodenbcher:878041,
      author       = {Rodenbücher, Christian and Wrana, Dominik and Gensch,
                      Thomas and Krok, Franciszek and Korte, Carsten and Szot, K.},
      title        = {{T}he {E}lectronic {P}roperties of {E}xtended {D}efects in
                      {S}r{T}i{O}3—{A} {C}ase {S}tudy of a {R}eal {B}icrystal
                      {B}oundary},
      journal      = {Crystals},
      volume       = {10},
      number       = {8},
      issn         = {2073-4352},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2020-02597},
      pages        = {665 -},
      year         = {2020},
      abstract     = {This study investigates the impact of extended defects such
                      as dislocations on the electronic properties of SrTiO3 by
                      using a 36.8° bicrystal as a model system. In order to
                      evaluate the hypothesis that dislocations can serve as
                      preferential reduction sites, which has been proposed in the
                      literature on the basis of ab initio simulations, as well as
                      on experiments employing local-conductivity atomic force
                      microscopy (LC-AFM), detailed investigations of the
                      bicrystal boundary are conducted. In addition to LC-AFM,
                      fluorescence lifetime imaging microscopy (FLIM) is applied
                      herein as a complementary method for mapping the local
                      electronic properties on the microscale. Both techniques
                      confirm that the electronic structure and electronic
                      transport in dislocation-rich regions significantly differ
                      from those of undistorted SrTiO3. Upon thermal reduction, a
                      further confinement of conductivity to the bicrystal
                      boundary region was found, indicating that extended defects
                      can indeed be regarded as the origin of filament formation.
                      This leads to the evolution of inhomogeneous properties of
                      defective SrTiO3 on the nano- and microscales.},
      cin          = {IEK-14 / IBI-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-14-20191129 / I:(DE-Juel1)IBI-1-20200312},
      pnm          = {135 - Fuel Cells (POF3-135)},
      pid          = {G:(DE-HGF)POF3-135},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000564752700001},
      doi          = {10.3390/cryst10080665},
      url          = {https://juser.fz-juelich.de/record/878041},
}