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@ARTICLE{Ogorodnikov:139490,
      author       = {Ogorodnikov, I. N. and Pustovarov, V. A. and DESY},
      title        = {{L}uminescence of ${L}i_{6}{G}d({BO}_{3})_{3}$ crystals
                      upon ultraviolet and inner - shell excitations},
      journal      = {Journal of luminescence},
      volume       = {134},
      issn         = {1872-7883},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {PHPPUBDB-22445},
      pages        = {113-125},
      year         = {2013},
      note         = {(c) Elsevier B.V.},
      abstract     = {Abstract: The paper presents the results of the study on
                      luminescence and electronic excitations in Li6Gd(BO3)3
                      single crystals. The optical and luminescence spectroscopy
                      with a sub-nanosecond time resolution upon selective
                      photoexcitation in the energy range from 3.0 to 650 eV was
                      used to investigate in detail the luminescence of both the
                      Gd3þ host ions and Ce3þ impurity ions as well as the
                      processes of energy transfer between them. The intrinsic
                      ultraviolet emission at 3.95–3.97 eV due to 6Pj-8S7=2
                      transitions in the Gd3þ host ion and the fast luminescence
                      at 2.8–3.0 eV due to 5d-4f1 dipole-allowed transitions in
                      the Ce3þ impurity ion were studied upon excitations hrough
                      the intracenter, charge transfer, bandto-band, and
                      inner-shell transitions. The specificity of the energy
                      transfer upon excitation of photoluminescence in the energy
                      range of absorption of the inner shells of different atoms
                      of the crystal, as well as in the energy region of the giant
                      resonance of 4d–4f transitions was revealed. On the basis
                      of the experimental data, the bandgap Eg¼9.3 eV, the
                      minimum energy of the 5d-4f1 and charge transfer transitions
                      were determined. The expected positions of the ground states
                      of the 4fn and 4fn15d levels of trivalent lanthanide ions as
                      well as the 4fnþ1 and 4fn5d levels of divalent ions were
                      calculated for all the lanthanide ions in Li6Gd(BO3)3 host
                      crystal.},
      cin          = {HASYLAB(-2012) / DOOR},
      ddc          = {530},
      cid          = {$I:(DE-H253)HASYLAB_-2012_-20130307$ /
                      I:(DE-H253)HAS-User-20120731},
      pnm          = {DORIS Beamline BW3 (POF2-54G13) / DORIS Beamline I
                      (POF2-54G13) / FS-Proposal: I-20110841 (I-20110841)},
      pid          = {G:(DE-H253)POF2-BW3-20130405 / G:(DE-H253)POF2-I-20130405 /
                      G:(DE-H253)I-20110841},
      experiment   = {EXP:(DE-H253)D-BW3-20150101 / EXP:(DE-H253)D-I-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000313393300020},
      doi          = {10.1016/j.jlumin.2012.09.002},
      url          = {https://bib-pubdb1.desy.de/record/139490},
}