Abstract
In this paper, the crystal-field energy levels, the EPR g factors g ∥ , g ⊥ of Yb 3+ and hyperfine structure constants A ∥ , A ⊥ of 171Yb 3+ and 173Yb 3+ isotopes in CsCdBr 3 crystal are calculated from the crystal-field theory. The calculated results (seven energy levels and six EPR parameters) are in reasonable agreement with the observed values. In the calculation, we find that Yb 3+ ion does not occupy the exact Cd 2+ site, but is shifted from the center of bromine octahedron by a distance Δ Z ≈ 0.184 Å along C 3 axis. The results are discussed.
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