Development of BaSO4:Eu thermoluminescence phosphor

被引：51
|
作者：
Madhusoodanan, U [1 ]
Jose, MT [1 ]
Lakshmanan, AR [1 ]
机构：
[1] Indira Gandhi Ctr Atom Res, Hlth & Safety Div, Kalpakkam 603102, Tamil Nadu, India
来源：
RADIATION MEASUREMENTS | 1999年 / 30卷 / 01期
关键词：
D O I：
10.1016/S1350-4487(98)00083-3
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
A highly sensitive thermoluminescence (TL) phosphor based on BaSO4:Eu was developed following the coprecipitation technique and firing in argon atmosphere at 1123 K. Photoluminescence studies confirm that firing in argon atmosphere instead of air increased the incorporation of Eu ions in 2+ valence state. At low gamma-ray doses, its TL sensitivity is nearly 2 to 3 times higher than that of CaSO4:Dy phosphor. The other salient features of this BaSO4:Eu TL phosphor are a constant glow curve shape and a nearly linear gamma-ray dose response. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：65 / 72
页数：8
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