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.
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