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The optical and EPR spectra of octahedral Er 3+ center in LiNbO 3 have been studied by diagonalizing 364×364 complete energy matrices. The new set of crystal-field parameters that can well account for the Stark levels and EPR parameters have been obtained for Er 3+ ions in LiNbO 3 . Simultaneously, by simulating the most reliable six-order parameter B 60 obtained,...
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