Spectroscopic analysis of Nd3+ pairs in CsCdBr3

In Nd3+-doped CsCdBr3 crystals, most of the Nd3+ ions form pairs. A detailed analysis of the optical spectroscopy of these pairs has been carried out using both absorption and luminescence spectra. Due to the low value of the Debye cutoff frequency for the phonons, many excited levels are luminescen...

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Bibliographic Details
Published in:The Journal of chemical physics 1989-07, Vol.91 (2), p.627-632
Main Authors: BARTHEM, R. B, BUISSON, R, CONE, R. L
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of bulk materials and thin films
Physics
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Summary:In Nd3+-doped CsCdBr3 crystals, most of the Nd3+ ions form pairs. A detailed analysis of the optical spectroscopy of these pairs has been carried out using both absorption and luminescence spectra. Due to the low value of the Debye cutoff frequency for the phonons, many excited levels are luminescent, thus giving a lot of spectroscopic information and allowing the assignment of 65 levels to their associated irreducible representations. These results have been used to deduce, through a fitting procedure, the free-ion and crystal-field parameters. The results are discussed and compared with those found in other compounds.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.457167