YAG和LuAG晶体中的反位缺陷

doi:10.3724/SP.J.1077.2010.00785

无机材料学报 ›› 2010, Vol. 25 ›› Issue (8): 785-794.DOI: 10.3724/SP.J.1077.2010.00785 CSTR: 32189.14.SP.J.1077.2010.00785

• 综述 • 下一篇

YAG和LuAG晶体中的反位缺陷

冯锡淇

(中国科学院上海硅酸盐研究所透明和光功能先进无机材料重点实验室, 上海200050)

收稿日期:2009-11-04 修回日期:2010-03-05 出版日期:2010-08-20 网络出版日期:2010-07-19
基金资助:
国家自然科学基金重大项目(50990300)

Anti-site Defects in YAG and LuAG Crystals

FENG Xi-Qi

(Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China)

Received:2009-11-04 Revised:2010-03-05 Published:2010-08-20 Online:2010-07-19

摘要/Abstract

摘要：

YAG不仅是最重要的固体激光材料, 也是有希望的闪烁材料, 自YAG晶体问世以来, 晶体缺陷研究对YAG晶体的性能改进和发展起到了十分关键的作用. 反位缺陷是YAG和LuAG晶体中一种特殊类型的缺陷, 它对晶体中载流子的输运过程和其它性质有重要影响, 本文介绍YAG和LuAG晶体中反位缺陷的类型、产生原因及其对性能的影响和作用机制. 最后, 还对如何测定反位缺陷和抑制反位缺陷的方法进行了简略讨论.

关键词: 反位缺陷, 非化学计量配比, 陷阱, 闪烁性能

Abstract:

YAG is not only one of the most important solid laser crystals, but also a promising scintillation material. Since it comes out, the studies of defects in YAG crystal have played key roles on the improvement and development of crystal properties. As a special kind of defect in the YAG and LuAG crystals, anti-site defects exert crucial influence on the carrier transportation and other properties. In this paper, the type and the origin of the anti-site defects in the YAG and LuAG crystals, as well as the mechanism of their effects on the crystal properties are described. Also, how to detect and inhibit the anti-site defects in the YAG and LuAG crystals are discussed.

Key words: antisite defects, nonstoichoimetry, traps, scitillation performance

中图分类号:

冯锡淇. YAG和LuAG晶体中的反位缺陷[J]. 无机材料学报, 2010, 25(8): 785-794.

FENG Xi-Qi. Anti-site Defects in YAG and LuAG Crystals[J]. Journal of Inorganic Materials, 2010, 25(8): 785-794.

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YAG和LuAG晶体中的反位缺陷

Anti-site Defects in YAG and LuAG Crystals

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