Cathodrochromic Properties of Sodalite
- 1 January 1972
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 43 (1) , 132-137
- https://doi.org/10.1063/1.1660796
Abstract
The coloration and bleaching behavior of undoped bromide sodalite prepared by solid-state reaction and by various low-temperature hydrothermal reactions is studied. A high coloration sensitivity is obtained; for instance, a charge density of 0.5 μC/cm2 at 10 kV yields a contrast ratio of 2:1. The coloration and optical bleaching behavior is strongly dependent on the preparation method. A relation between bleaching rate and bromide deficit is found. A relation is suggested between residual coloration and the presence of oxygen on bromine sites. The effect of the doping with transition-metal ions on the bleaching behavior is studied. The doping with Fe, Ni, and Cu causes a considerable increase in bleaching rate.This publication has 15 references indexed in Scilit:
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