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@ARTICLE{Kubacki:845143,
      author       = {Kubacki, J. and Kajewski, D. and Goraus, J. and Szot, K.
                      and Koehl, A. and Lenser, Ch. and Dittmann, R. and Szade,
                      J.},
      title        = {{I}mpact of {F}e doping on the electronic structure of
                      {S}r{T}i{O} 3 thin films determined by resonant
                      photoemission},
      journal      = {The journal of chemical physics},
      volume       = {148},
      number       = {15},
      issn         = {1089-7690},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {FZJ-2018-02453},
      pages        = {154702 -},
      year         = {2018},
      abstract     = {Epitaxial thin films of Fe doped SrTiO3 have been studied
                      by the use of resonant photoemission. This technique allowed
                      us to identify contributions of the Fe and Ti originating
                      electronic states to the valence band. Two valence states of
                      iron Fe2+ and Fe3+, detected on the base of x-ray absorption
                      studies spectra, appeared to form quite different
                      contributions to the valence band of SrTiO3. The electronic
                      states within the in-gap region can be attributed to Fe and
                      Ti ions. The Fe2+ originating states which can be connected
                      to the presence of oxygen vacancies form a broad band
                      reaching binding energies of about 0.5 eV below the
                      conduction band, while Fe3+ states form in the gap a sharp
                      feature localized just above the top of the valence band.
                      These structures were also confirmed by calculations
                      performed with the use of the FP-LAPW/APW+lo method
                      including Coulomb correlations within the d shell. It has
                      been shown that Fe doping induced Ti originating states in
                      the energy gap which can be related to the hybridization of
                      Ti and Fe 3d orbitals.},
      cin          = {PGI-7 / JARA-FIT / IEK-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-7-20110106 / $I:(DE-82)080009_20140620$ /
                      I:(DE-Juel1)IEK-1-20101013},
      pnm          = {521 - Controlling Electron Charge-Based Phenomena
                      (POF3-521)},
      pid          = {G:(DE-HGF)POF3-521},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:29679970},
      UT           = {WOS:000430485700012},
      doi          = {10.1063/1.5007928},
      url          = {https://juser.fz-juelich.de/record/845143},
}