Cas:Bi,Zn: A promising new TL material for high let dosimetry

被引：1
|
作者：
Meijvogel, K
Bos, AJJ
Hutt, G
Jaek, I
机构：
来源：
RADIATION PROTECTION DOSIMETRY | 1996年 / 65卷 / 1-4期
关键词：
D O I：
10.1093/oxfordjournals.rpd.a031653
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The results are described of a study of TL properties of CaS samples doped with Bi and Zn prepared at the State University, Tartu, Estonia. The material shows a linear, slightly supralinear response against the alpha dose and strong supralinear behaviour against the gamma dose accompanied by a change in the glow curve shape. The material has only one emission band peaking around 470 nm. Experiments show that for doses less than 10 Gy it is 85 +/- 10 times more sensitive to MeV alpha particles than to Co-60 gamma rays. This anomalously high value makes it very attractive for application in high LET radiation fields. Strong fading (54% in 112 h) and sensitivity to daylight hampers the application of this material in practice.
引用
收藏
页码：329 / 332
页数：4
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