利用伽玛射线研究了Ce3+:Y3Als O12晶体的辐照色心缺陷,比较了采用提拉法和温梯法生长的Ce3+;Y3Al5O12晶体中产生的不同色心缺陷,并利用吸收光谱、激发发射光谱和退火等方法分析了晶体中235nm和370nm色心吸收带的形成原因,指出晶体中的235nm吸收带由F+色心引起.进一步分析了YAG晶体的辐照,证实了370hm色心的来源,表明370nm吸收带与F-类色心相关.
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