journal article·2018-02Open access

Ge-free chalcogenide glasses based on Ga-Sb-Se and their stabilization by iodine incorporation

Alicia Lecomte, Virginie Nazabal, David Le Coq, Laurent Calvez

Abstract

Abstract In this paper, we report the existence of new bulk chalcogenide glasses free of germanium and transparent up to 18 μm. The investigation of the Ga-Sb-Se ternary diagram has allowed bringing out the presence of a small glassy domain mainly formed for compositions with low contents of Ga. Thermal, optical and mechanical characteristics of these glasses have been studied. In order to enhance the low stability against crystallization pure iodine was successfully added. At last, structural analysis by Raman spectroscopy was performed to point out the iodine addition effect.
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Research context

OpenAlex topics: Phase-change materials and chalcogenides · Glass properties and applications · Chalcogenide Semiconductor Thin Films

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