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V 2+ 在Al 2 O 3 中的局部缺陷的研究

, PP. 198-201

Keywords: Al2O3晶体,V2+离子,电子顺磁共振,吸收光谱

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Abstract:

采用双zetad轨道模型,利用完全对角化的方法统一地解释了掺有V2+离子杂质的αˉAl2O3晶体的吸收光谱和电子顺磁共振谱,所得结果与实验符合得很好.不仅考虑到了掺杂后杂质的占位,而且还研究了掺入V2+离子后对氧配体的位置的影响,结果显示氧配体将沿径向远离V2+离子移动.

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