Reversibility windows in selenide-based chalcogenide glasses

O. Shpotyuk, M. Hyla, V. Boyko, R. Golovchak.

Physica B, vol. 403, 2008, p. 3830–3837.


A simple route for the estimation of the reversibility windows in the sense of non-ageing ability is developed for chalcogenide glasses obeying “8-N” rule at the example of As–Se, Ge–Se and Ge–As–Se glass systems. The low limit of their reversibility windows is determined at the average coordination number Z=2.4 in full agreement with rigidity percolation theory, while the upper limit is shown to be related to the glass preparation conditions and samples prehistory.


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