Optical and Scintillation Properties of NaI(Tl) Crystals

被引：2
|
作者：
S. K. Bondarenko
L. V. Udovichenko
A. I. Mitichkin
N. N. Kosinov
I. V. Khromaya
机构：
[1] National Academy of Sciences of Ukraine,Institute of Single Crystals
来源：
Journal of Applied Spectroscopy | 2002年 / 69卷 / 6期
关键词：
luminescence; absorption; crystal; luminescence center; heat treatment;
D O I：
10.1023/A:1022422823022
中图分类号：
学科分类号：
摘要：
Using absorption spectroscopy and luminescent methods, we have investigated qualitatively dissimilar NaI and NaI(Tl) crystals. It is established that in NaI(Tl) crystals grown under conditions of melt hydrolysis and interaction with the air components, centers of additional luminescence of nonactivation nature are formed that decrease the transparency in the activator-radiation region. Data on the hole nature of these centers are obtained. It is shown that high-temperature annealing can alter the number of centers responsible for the decrease in the transparency of the NaI(Tl) crystals.
引用
收藏
页码：901 / 906
页数：5
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