Abstract:Chalcogenide glasses of GexSe100-x (x=10, 15, 20, 25 and 30 at.%) glasses were prepared by vacuum melting. An empirical relation between the glass transition temperature (Tg) and <r> is proposed by applying the Gibbs-Di Marzio equation for the Tg of a crosslinked polymer as a function of cross-linked density. We found a good agreement with the experimental result of Tg for GexSe100-x glasses. Several parameters such as mean atomic volume density, compactness, and free volume percentage which are more sen… Show more
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