Scintillation yield enhancement in LuAG:Pr crystals following thermal annealing

W. Drozdowski, K. Brylew, A. Chruścińska, K. Kamada, T. Yanagida, A. Yoshikawa

研究成果: Article

14 引用 (Scopus)

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Effects of thermal annealing in various atmospheres of Czochralski-grown Lu3Al5O12:Pr (LuAG:Pr) crystals on their scintillation yield and energy resolution are discussed. It is shown that annealing in argon, air, or oxygen at 1373 K for 48 h is a simple way of achieving a ten-odd percent increase of yield together with an improvement of energy resolution. High temperature thermoluminescence measurements indicate significant reductions of trap concentrations in the annealed crystals compared to the "as grown" ones, which correlates well with the observed yield increase. A simple model is proposed to predict further available yield enhancement in LuAG:Pr upon thermal annealing.

元の言語English
ページ(範囲)1975-1978
ページ数4
ジャーナルOptical Materials
34
発行部数12
DOI
出版物ステータスPublished - 2012 10

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Computer Science(all)
  • Atomic and Molecular Physics, and Optics
  • Spectroscopy
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Electrical and Electronic Engineering

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