Influence of fluorooxidizers on scintillation properties of fluorohafnate glass doped with Ce3+

被引：11
|
作者：
Brekhovskikh, M
Sukhoverkhov, V
Fedorov, V
Batygov, S
Dmitruk, L
Vinogradova, N
Devitsin, E
Kozlov, V
Provorova, A
机构：
[1] Inst Gen & Inorgan Chem, Moscow 117907, Russia
[2] Russian Acad Sci, Inst Gen Phys, Moscow, Russia
[3] PN Lebedev Phys Inst, Moscow 117924, Russia
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2000年 / 277卷 / 01期
关键词：
D O I：
10.1016/S0022-3093(00)00286-6
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The influence of fluorination of a batch mixture on the scintillation properties of fluorohafnate glasses in the HfF4-BaF2-CeF3-AlF3-NaF-InF3 system was studied. A new technique of batch treatment, comprising additional fluorination by chlorine trifluoride and xenon difluoride in gaseous phase at the elevated temperatures was proposed. Transmission spectra before and after gamma -irradiation as well as light yield of the glasses were studied. The radiation hardness of glasses is found to increase as a result of the fluorination treatment. Tt is suggested that the presence of reduced Hf3+ ions and oxygen impurities should cause the formation of radiation colouring centres and decrease the radiation hardness of scintillating HfF4-based glasses, doped with Ce3+. (C) 2000 Elsevier Science B.V. All rights reserved.
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收藏
页码：68 / 71
页数：4
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