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A unified model for reversible photostructural effects in chalcogenide glasses

Authors
Journal
Journal of Non-Crystalline Solids
0022-3093
Publisher
Elsevier
Publication Date
Volume
81
Identifiers
DOI: 10.1016/0022-3093(86)90260-7

Abstract

Abstract A general mechanism is proposed for the production of reversible photo-induced changes in chalcogenide glasses in terms of the scission of bonds, both inter-molecular and intra-molecular. Which mechanism is dominant is determined by several factors, in particular the type of chalcogen atom present in the material. The consequences of the various bond-breaking models are examined in detail for the cases of photo-induced changes in the structural, optical and mechanical properties of such materials.

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