Theoretical studies on the optical spectra and EPR parameters for trigonal Yb 3+ center in CsCdBr 3 crystal

  • Dong H
  • Wu S
  • Luo X
 et al. 
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Abstract

In this paper, the crystal-field energy levels, the EPR g factors g, g⊥of Yb3+and hyperfine structure constants A, A⊥of171Yb3+and173Yb3+isotopes in CsCdBr3crystal 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 Yb3+ion does not occupy the exact Cd2+site, but is shifted from the center of bromine octahedron by a distance ΔZ ≈ 0.184 along C3axis. The results are discussed. © 2004 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Crystal-field theory
  • CsCdBr3
  • Electron paramagnetic resonance (EPR)
  • Yb3+

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Authors

  • Hui Ning Dong

  • Shao Yi Wu

  • Xiao Bing Luo

  • Hong Tang

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