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-  2018 

PHZS:Cu2+的EPR谱和局域结构研究
Theoretical Investigation of the EPR Spectra and Local Structures for PHZS: Cu2+

DOI: 10.3969/j.issn.1001-0548.2018.05.020

Keywords: Cu2+离子,电子顺磁共振谱,局域结构,晶体PHZS

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Abstract:

采用Cu2+离子正交对称电子顺磁共振(EPR)参量的高阶微扰公式计算K2Zn(SO4)2·6H2O:Cu2+的EPR参量g因子(gx,gy,gz)和超精细结构常数(Ax,Ay,Az)。研究结果表明,K2Zn(SO4)2·6H2O中[Cu(H2O)6]2+基团的Cu2+-H2O键长分别为Rx ≈ 0.197 nm,Ry ≈ 0.213 nm,Rz ≈ 0.224 nm;中心金属离子基态波函数混合系数分别为α ≈ 0.978和β ≈ 0.209。所得EPR参量理论值与实验符合很好。

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