Radiation-induced ageing of chalcogenide glasses As10Se90

R. Golovchak, O. Shpotyuk, M. Shpotyuk, Cz. Gorecki, A. Kozdras, S. Shimura.

Visnyk Lviv Univ. Ser. Physic., vol. 38, 2005, p. 429-440.

Abstract

The influence of γ-irradiation on the parameters of structural relaxation in the glass- transition region is investigated by differential scanning calorimetry method for As10Se90 chalcogenide glasses. It is shown, that radiation treatment leads to the increase of glass transition temperature and relaxation rate towards thermodynamic equilibrium of supercooled liquid. The phenomenological approach is proposed for explanation of the observed effects.

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