Physical aging effects in selenide glasses accelerated by highly energetic γ-irradiation

O. Shpotyuk, R. Golovchak.

Journal of Non-Crystalline Solids, vol. 352, 2006, p. 704–708.


Effect of 60Co γ-irradiation on As–Se glasses stored for 20 years and subjected to saturated natural physical aging is studied using differential scanning calorimetry. It is shown that γ-irradiation activates further physical aging, which leads to an increase in glass transition temperature and endothermic peak area near glass transition region for AsxSe100-x samples with x < 30. The observed changes are associated with additional structural relaxation of radiation-modified glass network.


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