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YAP:Cu晶体的热释光性能

Thermoluminescence Properties of Copper Doped YAP Crystal

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摘要

采用中频感应提拉法生长了高光学质量的YAP:Cu(原子数分数为0.5%)单晶,使用RisFTL/OSL-DA-15型热释光(TL)和光释光(OSL)仪系统研究了其TL 性能。研究结果表明:YAP:Cu单晶存在431K和482K两个热释光峰,482K处为主发光峰;TL峰位置不随辐照剂量的变化而变化,显示其为一级动力学峰;YAP:Cu单晶的TL 辐射剂量响应在10-5-102Gy范围内呈较好的线性关系。YAP:Cu晶体是一种TL性能优良并具有潜在应用价值的电离辐射剂量计材料。

Abstract

The thermoluminescence (TL) properties of high quality 0.5% atom fraction Cu doped YAP crystal (YAP:Cu) which is grown by medium-frequency induction Czochralski method is systematically studied by RisF TL/OSL–DA-15. The research results show that, YAP:Cu crystal has two TL peaks which locates at 431K and 482K, and the 482 K peak is the main glow peak. The peak position does not shift with the change of irradiation dose and belongs to the first- order peak. The TL response of YAP:Cu crystal shows excellent linear characteristics in the dose range of 10- 5- 102 Gy. YAP:Cu crystal is a potential ionization irradiation dosimetry material with excellent TL properties.

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中图分类号:TL72

DOI:10.3788/lop51.091605

所属栏目:材料

责任编辑:殷建芳

基金项目:国家自然科学基金青年基金(61308097)

收稿日期:2014-05-05

修改稿日期:2014-06-19

网络出版日期:2014-08-01

作者单位    点击查看

姚文苇:陕西学前师范学院物理与电子技术系, 陕西西安710100
陈建玉:中国科学院上海光学精密机械研究所强激光材料重点实验室, 上海201800
齐红基:中国科学院上海光学精密机械研究所强激光材料重点实验室, 上海201800
徐民:中国科学院上海光学精密机械研究所强激光材料重点实验室, 上海201800
唐强:中山大学物理科学与工程技术学院, 广东广州510275

联系人作者:姚文苇(ywred@163.com)

备注:姚文苇(1981—),女,硕士,讲师,主要从事声波与物质相互作用方面的研究。

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引用该论文

Yao Wenwei,Chen Jianyu,Qi Hongji,Xu Min,Tang Qiang. Thermoluminescence Properties of Copper Doped YAP Crystal[J]. Laser & Optoelectronics Progress, 2014, 51(9): 091605

姚文苇,陈建玉,齐红基,徐民,唐强. YAP:Cu晶体的热释光性能[J]. 激光与光电子学进展, 2014, 51(9): 091605

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