About: Luminescence properties and scintillation response in Ce3+-doped Y2Gd1Al5-xGaxO12 (x = 2, 3, 4) single crystals     Goto   Sponge   NotDistinct   Permalink

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  • The compositional dependence of luminescence properties and scintillation response were investigated in Ce3+-doped Y2Gd1Al5-xGaxO12 (x = 2, 3, 4) single crystals. The Gd3+ Ce3+ energy transfer was evidenced by photoluminescence excitation spectra of Ce3+ emission. With increasing Ga content in the garnet host, the Ce3+ luminescence from the lowest 5d level (5d1) is shifted toward higher energy due to the decrease in the crystal field splitting of the 5d levels. Light yield (LY) and its dependence on the amplifier shaping time were measured under excitation with γ-rays. High LY value of 38 000 ph/MeV was obtained for a Y2Gd1Al3Ga2O12:Ce sample. Scintillation decay was measured with an extended dynamical and temporal scale under the nanosecond pulse soft X-ray excitation. The decrease of both LY value and relative contribution of slower decay component in the scintillation response was observed with increasing Ga content in the garnet host.
  • The compositional dependence of luminescence properties and scintillation response were investigated in Ce3+-doped Y2Gd1Al5-xGaxO12 (x = 2, 3, 4) single crystals. The Gd3+ Ce3+ energy transfer was evidenced by photoluminescence excitation spectra of Ce3+ emission. With increasing Ga content in the garnet host, the Ce3+ luminescence from the lowest 5d level (5d1) is shifted toward higher energy due to the decrease in the crystal field splitting of the 5d levels. Light yield (LY) and its dependence on the amplifier shaping time were measured under excitation with γ-rays. High LY value of 38 000 ph/MeV was obtained for a Y2Gd1Al3Ga2O12:Ce sample. Scintillation decay was measured with an extended dynamical and temporal scale under the nanosecond pulse soft X-ray excitation. The decrease of both LY value and relative contribution of slower decay component in the scintillation response was observed with increasing Ga content in the garnet host. (en)
Title
  • Luminescence properties and scintillation response in Ce3+-doped Y2Gd1Al5-xGaxO12 (x = 2, 3, 4) single crystals
  • Luminescence properties and scintillation response in Ce3+-doped Y2Gd1Al5-xGaxO12 (x = 2, 3, 4) single crystals (en)
skos:prefLabel
  • Luminescence properties and scintillation response in Ce3+-doped Y2Gd1Al5-xGaxO12 (x = 2, 3, 4) single crystals
  • Luminescence properties and scintillation response in Ce3+-doped Y2Gd1Al5-xGaxO12 (x = 2, 3, 4) single crystals (en)
skos:notation
  • RIV/68378271:_____/14:00432853!RIV15-AV0-68378271
http://linked.open...avai/riv/aktivita
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  • I, P(LH14266)
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  • 8
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  • 26752
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  • RIV/68378271:_____/14:00432853
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  • luminescence; scintillation; photoluminescence (en)
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  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [7E02D510DDC3]
http://linked.open...i/riv/nazevZdroje
  • Journal of Applied Physics
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http://linked.open...vavai/riv/projekt
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  • 116
http://linked.open...iv/tvurceVysledku
  • Kamada, K.
  • Nikl, Martin
  • Pánek, D.
  • Yoshikawa, A.
  • Chewpraditkul, W.
  • Wanarak, C.
  • Brůža, P.
  • Babin, Vladimir
  • Bartosiewicz, Karol
  • Chewpraditkul, Wa.
  • Pattanaboonmee, N.
http://linked.open...ain/vavai/riv/wos
  • 000342821600014
issn
  • 0021-8979
number of pages
http://bibframe.org/vocab/doi
  • 10.1063/1.4893675
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