Optical spectrum and EPR parameters for vanadium (V3+) in cadmium telluride

摘要

The optical spectrum and electron paramagnetic resonance (EPR) parameters (gyromagnetic g factor and hyperfine structure constant A) for CdTe:V3+ have been calculated using the modified crystal-field theory. In this theory, the covalency factors N_t , N_e and the two spin-orbit (SO) coupling coefficients ζ_d, ζ_p are included in T _d symmetry. The calculated optical spectrum and EPR parameters agree reasonably well with the experimental values. In addition, the calculated results show that the contribution from the ligand Te2− to the EPR parameters cannot be neglected because the ligand Te2− possesses a large SO coupling coefficient and strong covalency.View full textDownload full textKeywordsoptical spectra, EPR, crystal-field theory, ligand-field theory, CdTe, V3+ Related var addthis_config = { ui_cobrand: "Taylor & Francis Online", services_compact: "citeulike,netvibes,twitter,technorati,delicious,linkedin,facebook,stumbleupon,digg,google,more", pubid: "ra-4dff56cd6bb1830b" }; Add to shortlist Link Permalink http://dx.doi.org/10.1080/09500831003785619