Journal
JOURNAL OF LUMINESCENCE
Volume 125, Issue 1-2, Pages 97-103Publisher
ELSEVIER
DOI: 10.1016/j.jlumin.2006.08.018
Keywords
high-pressure spectroscopy; transition metal ions; Cr3+; Mn4+; lattice disorder; local compressibility; Gruneisen parameter
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The results of high-pressure spectroscopy of Cr3+ and Mn4+ ions in solids are revised. We discuss the influence of external pressure on compression of ion-ligands systems, pressure-induced T-4(2)-E-2 level crossover, R-lines pressure shift and influence of pressure on the R-lines emission lifetime. The model of energetic structure of the octahedrally coordinated 3d(3) ion that includes electron phonon and spin-orbit interaction is considered and used for interpretation of the results of high-pressure spectroscopy, especially for quantitative analysis of lattice disorder and crystal field distribution in crystal. (c) 2006 Elsevier B.V. All rights reserved.
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