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Orthorhombic Site Symmetry of Cr 3+ in ZnNH 4 PO 4 6H 2 O Crystals
Author(s) -
Ravikumar R. V. S. S. N.,
Chandrasekhar A. V.,
Rao S. N.,
Madhu N.,
Reddy B. J.,
Reddy Y. P.
Publication year - 1999
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/(sici)1521-4079(199908)34:7<911::aid-crat911>3.0.co;2-b
Subject(s) - orthorhombic crystal system , symmetry (geometry) , crystallography , liquid nitrogen , absorption (acoustics) , absorption spectroscopy , doping , chemistry , distortion (music) , materials science , condensed matter physics , crystal structure , optics , physics , optoelectronics , mathematics , geometry , amplifier , organic chemistry , cmos , composite material
Spectroscopic investigations of Cr 3+ doped ZAPH are carried out. From the nature of optical absorption bands and their splittings at the liquid nitrogen temperature, the site symmetry of the Cr 3+ in ZAPH is attributed to orthorhombic distortion.