The role of chemical composition and mean coordination number in Ge-As-Se ternary glasses
We prepared a series of Ge-As-Se glasses with different chemical compositions and mean coordination numbers (MCN) from 2.2 to 2.94. We further measured their physical properties in order to understand the effect of MCN and chemical compositions on the physical properties of the glasses. It was found that, while glass transition temperatures, Tg, in the glasses with stoichiometric compositions generally increase linearly with increasing MCN, they depart from the linear behaviour in the glasses...[Show more]
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