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@ARTICLE{Ivanovskikh:208847,
      author       = {Ivanovskikh, Konstantin and Ogieglo, J. M. and Zych, A. and
                      Ronda, C. R. and Meijerink, A.},
      title        = {{L}uminescence {T}emperature {Q}uenching for ${C}e^{3+}$
                      and ${P}r^{3+}$ d-f {E}mission in {YAG} and {L}u{AG}},
      journal      = {ECS journal of solid state science and technology},
      volume       = {2},
      number       = {2},
      issn         = {2162-8777},
      address      = {Pennington, NJ},
      publisher    = {ECS},
      reportid     = {PUBDB-2015-01918},
      pages        = {R3148 - R3152},
      year         = {2013},
      note         = {© The Electrochemical Society.; Post referee fulltext in
                      progress},
      abstract     = {The d-f emission from Ce3+ and Pr3+ in garnets is
                      attracting considerable attention, especially in relation to
                      application in white light LEDs and scintillators. An
                      important aspect is the luminescence quenching temperature
                      TQ. It is not trivial to determine TQ and to unravel the
                      quenching mechanism. In this paper the TQ of d-f emission
                      for Ce3+ and Pr3+ are determined by temperature dependent
                      lifetime measurements. The results show a TQ for Pr3+ of 340
                      K for Y3Al5O12:Pr3+ (YAG:Pr) and 680 K for Lu3Al5O12:Pr3+
                      (LuAG:Pr). For Ce3+ the TQ is too high to measure. An onset
                      of quenching above 600 K (YAG:Ce) or 700 K (LuAG:Ce) is
                      observed. The differences in TQ between YAG and LuAG are
                      explained by a smaller Stokes shift for the d-f emission in
                      LuAG (∼2300 cm−1) compared to YAG (∼2750 cm−1)
                      derived from low temperature luminescence spectra. The large
                      difference in TQ between Ce3+ and Pr3+ is related to the
                      smaller energy difference between the lowest energetic fd
                      state of Pr3+ and the next lower 4f2 state (3P2) compared to
                      the 5d – 4f1(2F7/2) energy difference for Ce3+. Both
                      observations are consistent with luminescence temperature
                      quenching by non-radiative relaxation from the 5d state to
                      the 4f state described by a configurational coordinate
                      diagram and not by thermally induced photoionization.},
      cin          = {DOOR},
      ddc          = {540},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {DORIS Beamline I (POF2-54G13)},
      pid          = {G:(DE-H253)POF2-I-20130405},
      experiment   = {EXP:(DE-H253)D-I-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000319455200019},
      doi          = {10.1149/2.011302jss},
      url          = {https://bib-pubdb1.desy.de/record/208847},
}