Theoretical investigation of local structure distortion and absorption spectra for tetragonal Cr2+ ion in ZnSe:Cr2+ system

Document Type : Regular Paper

Authors

1 School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China

2 Department of Physics, Sichuan University, Chengdu 610065, China

Abstract

 
By analyzing the zero-field-splitting parameters and of Cr2+ (3d4) ion located at tetrahedral site in ZnSe crystal, the local structure distortion and absorption spectra around Cr2+ in ZnSe: Cr2+ system have been calculated on the basis of the complete energy matrix for the d4 configuration within the strong-filed-representation. It is shown that there exists an expansion distortion in the local lattice structure when Cr2+ ion is doped into ZnSe crystal. From our calculations, the distortion parameters and are determined. a D 0.20A R  3.4  

Keywords

Iranian Journal of Science
Volume 39, Issue 3.1 - Serial Number 3
November and December 2015
Pages 349-354

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