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Irradiation‐induced change of valence of Cr 3+ ions doped in alkali sulphates
Author(s) -
Alybakov A. A.,
Gubanova V. A.,
Kudabaev K.,
Sharsheev K.
Publication year - 1984
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/crat.2170191230
Subject(s) - valence (chemistry) , irradiation , alkali metal , ion , impurity , chromium , doping , chemistry , absorption spectroscopy , spectral line , halide , inorganic chemistry , analytical chemistry (journal) , materials science , physics , optics , optoelectronics , organic chemistry , astronomy , nuclear physics , chromatography
It is shown by means of investigation of both optical absorption spectra and Roentgen K α 1‐lines of chromium doped in LiKSO 4 , LiNaSO 4 , and Li 2 SO 4 · H 2 O crystals, that X‐irradiation results in change of the impurity charge in a following way: Cr 3+ + h → Cr 4 , Cr 4+ + h → Cr 5+ .