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Homopolar bonds in Se-rich Ge‒As‒Se chalcogenide glasses

Xu, Si-Wei; Wang, Rong-Ping; Yang, Zhi-Yong; Wang, Li; Barry, Luther-Davies

Description

We have prepared three groups of Ge-As-Se glasses in which the Se content is 5.5 mol%, 10 mol%, and 20 mol% rich, respectively. We explored the possibility of suppressing the formation of the Ge-Ge and As-As homopolar bonds in the glasses. Thermal kinetics analysis indicated that the 5.5 mol% Se-rich Ge11.5As24Se64.5 glass exhibits the minimum fragility and thus is most stable against structural relaxation. Analysis of the Raman spectra of the glasses indicated that the Ge-Ge and As-As...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/111852
Source: Chinese Physics B
DOI: 10.1088/1674-1056/25/5/057105
Access Rights: Open Access

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