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Nephelauxetic inhomogeneous broadening of optical transitions

โœ Scribed by Peter I. Macfarlane; Keith Holliday; Brian Henderson

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
440 KB
Volume
252
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

A highly monochromatic laser has been used to probe the inhomogeneous broadening of the R-lines in Cr 3รท : LiNbO 3. Fluorescence line narrowing (FLN) and radiative lifetime studies reveal that in LiNbO 3 the broadening is caused by disorder which results in a distribution in the values of the electron-electron Racah parameters. Such nephelauxetic broadening in Cr 3รท :LiNbO 3 is in contrast to the broadening in Cr3+-doped glasses and disordered oxides, where distributions in the crystal field terms are dominant.

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