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@ARTICLE{Sokolov:166699,
      author       = {Sokolov, V. I. and Pustovarov, Vladimir and Churmanov, V.
                      N. and Ivanov, Vladimir and Gruzdev, N. B. and Sokolov, Petr
                      and Baranov, Andrey and Moskvin, A. S.},
      title        = {{S}elf-trapping of the d-d charge transfer exciton in
                      rock-salt structured ${Z}n_{1-x}{N}i_{x}{O}$ evidenced by
                      soft {X}-ray excited luminescence},
      journal      = {Physica status solidi / C},
      volume       = {10},
      number       = {10},
      issn         = {1862-6351},
      address      = {Berlin},
      publisher    = {Wiley-VCH},
      reportid     = {DESY-2014-01540},
      pages        = {1329-1335},
      year         = {2013},
      note         = {© WILEY-VCH Verlag GmbH $\&$ Co. KGaA, Weinheim; Post
                      referee fulltext in progress; Embargo 12 months from
                      publication},
      abstract     = {Luminescence spectra of NiO and solid solutions Zn1–xNixO
                      have been investigated under vacuum ultra-violet (VUV) and
                      soft X-ray (XUV) excitation (DESY, Hamburg).
                      Photoluminescence (PL) spectra show broad emission violet
                      and green bands centered at about 3.2 and 2.6 eV,
                      respectively. The PL excitation (PLE) spec-tral evolution
                      and lifetime measurements reveal that the two mechanisms
                      with short and long decay times, at-tributed to the
                      d(eg)-d(eg) and p(π)-d charge transfer (CT) transitions in
                      the range 4–6 eV, respectively, are responsible for the
                      observed emissions. The XUV excitation makes it possible to
                      avoid the predominant role of the surface effects in
                      luminescence and reveal a bulk violet luminescence with
                      puzzling well isolated doublet of very narrow lines. These
                      lines with close energies near 3.3 eV are attributed to
                      recombination transitions in the self-trapped d-d CT
                      excitons formed by the coupled Jahn-Teller Ni+ and Ni3+
                      centers. (© 2013 WILEY-VCH Verlag GmbH $\&$ Co. KGaA,
                      Weinheim)},
      cin          = {DOOR},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {DORIS Beamline BW3 (POF2-54G13)},
      pid          = {G:(DE-H253)POF2-BW3-20130405},
      experiment   = {EXP:(DE-H253)D-BW3-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000337152100017},
      doi          = {10.1002/pssc.201200980},
      url          = {https://bib-pubdb1.desy.de/record/166699},
}