研究论文

Fe、Cu离子掺杂及退火对YAP晶体的生长及光谱性能的影响

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  • (1. 中国科学院 上海光学精密机械研究所, 中国科学院强激光材料重点实验室, 上海 201800; 2. 中国科学院 研究生院, 北京 100039; 3. 中山大学 物理科学与工程技术学院, 广州 510275)

收稿日期: 2010-01-26

  修回日期: 2010-03-26

  网络出版日期: 2010-09-26

基金资助

国家自然科学基金(60607015)

Effect of Fe and Cu Dopant and Annealing on the Growth and Spectral Properties of YAP Crystals

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  • (1. Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China; 2. Graduate School of Chinese Academy of Sciences, Beijing 100039, China; 3. School of Physics and Engineering, Sun Yat-Sen University, Guangzhou 510275, China)

Received date: 2010-01-26

  Revised date: 2010-03-26

  Online published: 2010-09-26

Supported by

National Nature Science Foundation of China (60607015)

摘要

采用提拉法成功生长了高光学质量掺杂浓度分别为0.2at%的Fe:YAP和0.5at%的Cu:YAP晶体. ICP-AES测试得出Fe、Cu离子在YAP晶体中的分凝系数分别为0.13和0.28. 室温下测试了两种晶体经不同气氛高温退火后的吸收光谱和X射线激发发射光谱, 分析了光谱特征及退火对光谱产生影响的微观机理.最后研究了两种晶体的热释光性能,发现Cu:YAP晶体是一种非常有潜力的辐照剂量计材料.

关键词: Fe:YAP; Cu:YAP; 退火; 热释光

本文引用格式

陈建玉, 唐 强, 董 勤, 丁雨憧, 赵广军 . Fe、Cu离子掺杂及退火对YAP晶体的生长及光谱性能的影响[J]. 无机材料学报, 2010 , 25(10) : 1025 -1028 . DOI: 10.3724/SP.J.1077.2010.01025

Abstract

High optical quality 0.2at% Fe doped YAP and 0.5at% Cu doped YAP single crystals were grown successfully by Czochralski method respectively. The separation coefficients of Fe ion in 0.2at% Fe doped YAP and Cu ion in 0.5at% Cu doped YAP crystals determined by ICP-AES method were 0.13 and 0.28 respectively. The absorption spectra and X-ray excitation luminescence spectra of the Fe:YAP and Cu:YAP crystals annealed in reduction/oxidation atmosphere were measured at room temperature. Microcosmic mechanisms of the spectra characteristics and the effects of anneal on crystals were analyzed. Finally, the thermoluminescence spectra of Fe:YAP and Cu:YAP crystals were also studied. It is found that Cu:YAP crystal is a prospective dosimetry material.

参考文献

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