INVESTIGATION OF THE OPTICAL SPECTRA AND SPIN-HAMILTONIAN PARAMETERS FOR VANADYL IN ZINC PHOSPHATE GLASS
Abstract
The optical absorption spectra and spin-Hamiltonian parameters (g factors g||, g^ , and hyperfine structure constants A||, A^) of vanadyl in zinc phosphate glass are investigated, using the high-order perturbation formulas for a 3d1 ion in tetragonally compressed octahedra. In the calculations, the required crystal-field parameters are estimated from the superposition model, and the optical absorption bands and spinHamiltonian parameters are linked with the tetragonal distortion (characterized by ΔR = R^ – R||, where R^ and R|| denote the bond lengths perpendicular and parallel to the C4 axis). Based on the calculations, the tetragonal distortion ΔR (»1.795 Å) was obtained, and negative signs of the hyperfine structure constants A|| and A^ are suggested.
Keywords
About the Authors
C.-D. FengChina
Nanchang 330063
H.-X. Huang
China
Nanchang 330063
W.-B. Xiao
China
Nanchang 330063
H.-M. Zhang
China
Nanchang 330063
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Review
For citations:
Feng C., Huang H., Xiao W., Zhang H. INVESTIGATION OF THE OPTICAL SPECTRA AND SPIN-HAMILTONIAN PARAMETERS FOR VANADYL IN ZINC PHOSPHATE GLASS. Zhurnal Prikladnoii Spektroskopii. 2020;87(3):413-417.