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Structure and physical properties of GexAsySe1−x−y glasses with the same mean coordination number of 2.5

Wang, R. P.; Bulla, D.; Smith, Anita; Wang, T.; Luther-Davies, Barry


We have prepared and analyzed five different compositions of GexAsySe1−x−yglasses that have the same mean coordination number (MCN) of 2.5 in order to understand whether MCN or chemical composition has the dominant effect on the physical properties of the glass. Density measurements showed a maximum for the chemically stoichiometric Ge12.5As25Se62.5 sample and suggested that some rearrangement of the atoms was occurring as one atom substituted for another. The measurements of Tg, however,...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Journal of Applied Physics
DOI: 10.1063/1.3544309


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