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四面体络离子(CrO4)4-电子顺磁共振g因子的理论计算
Theoretical study of the EPR g-factor for clusters(CrO4)4-
【摘要】 用四面体络离子(CrO4)4-g因子完全高阶微扰公式计算了Ba3Ge2O7晶体g因子,与双SO耦合参数模型相比,荷移模型计算的g因子与实验值更接近。荷移模型获得的g因子与实验值的差仅为0.0003,而双SO耦合参数模型获得的g因子与实验值的差高达0.0249。
【Abstract】 The EPR g-factor for clusters(CrO4)4-in Ba3Ge2O7 crystals was studied from the complete high-order perturbation formulae.The results were in more agreement with the experimental value by a charge-transfer model as compared with a double spin-orbit(SO) coupling parameter model.The difference of g is 0.000 3 between the calculated values and the experimental values from the charge-transfer model,and is 0.024 9 from the double spin-orbit coupling parameter model.
【关键词】 局域结构;
电子顺磁共振;
微扰公式;
自旋-轨道耦合;
【Key words】 local structure; electron paramagnetic resonance; perturbation expression; SO coupling;
【Key words】 local structure; electron paramagnetic resonance; perturbation expression; SO coupling;
【基金】 河南省教育厅科技攻关资助项目
- 【文献出处】 山东大学学报(理学版) ,Journal of Shandong University(Natural Science) , 编辑部邮箱 ,2010年01期
- 【分类号】O641.1
- 【被引频次】1
- 【下载频次】183