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Optical Absorption Spectra of the Co 2+ Ion in CdCl2 Crystals
Author(s) -
Nasu T.
Publication year - 1974
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220660219
Subject(s) - ion , absorption (acoustics) , absorption spectroscopy , crystal (programming language) , spectral line , analytical chemistry (journal) , trigonal crystal system , absorption band , atomic physics , chemistry , range (aeronautics) , materials science , crystal structure , optics , crystallography , physics , organic chemistry , chromatography , astronomy , computer science , programming language , composite material
Optical absorption spectra of the Co 2+ ion in CdCl 2 crystals were measured in the energy region from 4000 to 40000 cm −1 . The temperature dependence of the spectra was also measured in the temperature range from 80 to 710 K. Observed absorption bands were assigned to forbidden d–d transitions of the Co 2+ ion allowed by vibrations and to charge transfer transitions. From the analysis of the structure of the absorption band, the strength of the trigonal crystal field is estimated.