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Theoretical investigation of local structure distortion and absorption spectra for tetragonal Cr2+ ion in ZnSe:Cr2+ system | ||
| Iranian Journal of Science | ||
| مقاله 1، دوره 39، شماره 3.1، بهمن 2015، صفحه 349-354 اصل مقاله (330.06 K) | ||
| نوع مقاله: Regular Paper | ||
| شناسه دیجیتال (DOI): 10.22099/ijsts.2015.3256 | ||
| نویسندگان | ||
| X. Tan* 1؛ Kang-Wei Zhou2 | ||
| 1School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China | ||
| 2Department of Physics, Sichuan University, Chengdu 610065, China | ||
| چکیده | ||
| 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 | ||
| کلیدواژهها | ||
| Local structure؛ absorption spectra؛ strong-filed-representation؛ ZnSe: Cr2+ | ||
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