期刊
PROGRESS IN CRYSTAL GROWTH AND CHARACTERIZATION OF MATERIALS
卷 59, 期 2, 页码 47-72出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pcrysgrow.2013.02.001
关键词
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资金
- Czech Science Foundation [P204/12/0805]
- Japan society for promotion of science (JSPS)
- [GAAV KAN300100802]
- [AV M100100910]
A review of research and development of Lu3Al5O12 (LuAG)-based single crystal scintillators is presented. Crystals of this type have been prepared by the micro-pulling down method at the initial stage of material screening and by Czochralski or Bridgman methods to obtain higher quality and larger size single crystals afterward. Several different activators, namely Ce3+, Pr3+, Yb3+ and Sc3+ have been reported in the literature and such doped LuAG single crystals have been extensively studied to understand a number of issues, including: the scintillation mechanism, underlying energy transfer and trapping processes including the nature and role of material defects involved in the scintillation process and their relation to manufacturing technology. Significant improvements in the understanding of aluminum garnet scintillators lead to the discovery of multicomponent garnet single crystal scintillators in 2011, which are described. These materials gave rise to new class of ultraefficient complex oxide scintillators, the light yield of which considerably exceeds the values achieved for the best Ce-doped orthosilicate scintillators. (C) 2013 Elsevier Ltd. All rights reserved.
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