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The complete diagonalization (of the energy matrix) method is applied in this paper for the unified calculation of optical and EPR spectral data of the trigonal (CrO6)9− octahedral clusters in Y3Al5O12 (YAG) crystal. The method is based on the two-spin–orbit-parameter model where, besides the contributions from the spin–orbit parameter of central dn ion in the traditional crystal-field theory, those...
The thermal shifts of R 1 - and R 2 -lines of laser crystal Y 3 Al 5 O 12 (YAG):Cr 3+ are investigated by considering both the static contribution caused by lattice thermal expansion and the vibrational contribution due to electron–phonon interaction. The investigation is in terms of the analyses of pressure- and temperature-dependences of R-lines. The...
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