Springer Iranian Journal of Science and Technology (Sciences) 1028-6276 39 3.1 2015 11 04 Theoretical investigation of local structure distortion and absorption spectra for tetragonal Cr2+ ion in ZnSe:Cr2+ system 349 354 3256 10.22099/ijsts.2015.3256 EN X. Tan School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China Kang-Wei Zhou Department of Physics, Sichuan University, Chengdu 610065, China Journal Article 2014 06 30   <span style="font-size: xx-small;">By analyzing the zero-field-splitting parameters and of Cr</span><span style="font-size: xx-small;">2+ </span><span style="font-size: xx-small;">(3d</span><span style="font-size: xx-small;">4</span><span style="font-size: xx-small;">) ion located at tetrahedral site in ZnSe crystal, the local structure distortion and absorption spectra around Cr</span><span style="font-size: xx-small;">2+ </span><span style="font-size: xx-small;">in ZnSe: Cr</span><span style="font-size: xx-small;">2+ </span><span style="font-size: xx-small;">system have been calculated on the basis of the complete energy matrix for the d</span><span style="font-size: xx-small;">4 </span><span style="font-size: xx-small;">configuration within the strong-filed-representation. It is shown that there exists an expansion distortion in the local lattice structure when Cr</span><span style="font-size: xx-small;">2+ </span><span style="font-size: xx-small;">ion is doped into ZnSe crystal. From our calculations, the distortion parameters and are determined. a D 0.20A R  3.4   </span> https://ijsts.shirazu.ac.ir/article_3256_3919dd66aa96b7dca5927785824447b5.pdf