THE ULTRAVIOLET ABSORPTION OF SILVER BROMIDE

1 February 1953

journal article
Published by Canadian Science Publishing in Canadian Journal of Physics

Vol. 31 (2) , 218-224
https://doi.org/10.1139/p53-023

Abstract

The photoelectric absorption process in solid insulators is discussed and contrasted with that for free atoms and ions. It is suggested that in substances of high dielectric constant the resultant screening of the field of the remaining positive hole due to the polarization of the material results in a reduction of the absorption coefficient at the spectral edge, and produces a maximum at higher energies. This effect is illustrated by a calculation of the ultraviolet absorption coefficient of silver bromide using as a model a bromine ion in a hole in a uniform dielectric. The calculated absorption coefficient is found to rise from the edge to a maximum at a wave length of about 850 Å.

Keywords

This publication has 6 references indexed in Scilit:

Self-Consistent Field Calculations for Zn, Ga, ${Ga}^{+}$ , ${Ga}^{+ + +}$ , As, ${As}^{+}$ , ${As}^{+ +}$ , ${As}^{+ + +}$
Physical Review B, 1941
Conduction in polar crystals. II. The conduction band and ultra-violet absorption of alkali-halide crystals
Transactions of the Faraday Society, 1938
Self-Consistent Field for Tungsten
Physical Review B, 1936
Results of calculations of atomic wave functions IV—Results for F ^- , Al ⁺³ , and Rb ⁺
Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1935
Results of calculations of atomic wave functions. II.—Results for K ⁺ and Cs ⁺
Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, 1934
Zur Photochemie der Alkali- und Silberhalogenidkristalle
The European Physical Journal A, 1930