Abstract
The kinetic parameters of two overlapping crystallization peaks of Si10Te90 chalcogenide glass were studied using differential scanning calorimetry (DSC). The present study was conducted under experimental non-isothermal and predicted isothermal conditions. The experimental data were analysed using the Friedman differential isoconversional method. The dependence of the effective activation energy of crystallization on the extent of the crystallization indicates a clear difference between the two peaks. The Avrami-Erofeev reaction model reaction may describe the crystallization process of the two peaks of the chalcogenide glass under investigation. The reaction model of the first peak was found to be independent of temperature and was nearly equal to A6. However, the reaction model for the second peak varies from A2 to A6 as the temperature increases from 300 to 350 K.