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The spin-Hamiltonian parameters (g factor g ∥ , g ⊥ and hyperfine structure constants A ∥ , A ⊥ ) of Co 2+ ion in rhombohedral BaTiO 3 crystal are calculated from the perturbation formulas based on the cluster approach for the spin-Hamiltonian parameters of 3d 7 ion in trigonal octahedral site. The calculations are related to the trigonal field...
The EPR parameters (zero-field splitting D and g factors g ‖ , Δg=g ‖ −g ⊥ ) and the first excited-state splitting δ( 2 E) for Cr 3+ -doped KAl(MoO 4 ) 2 crystal are calculated from the high-order perturbation formulas. In the calculations, the parameters are obtained from the optical spectra and structural data of the studied system. The results...
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