Abstract
Differential scanning calorimetry data at different heating rates (5, 10, 15 and 20 °C min−1) of Se70Te15In15 chalcogenide glass is reported and discussed. The crystallization mechanism is explained in terms of recent analyses developed for use under non-isothermal conditions. The value of Avrami exponent (n) indicates that the glassy Se70Te15In15 alloy has three-dimensional growth. The average values of the activation energy for glass transition, E g, and crystallization process, E c, are (154.16 ± 4.1) kJ mol−1 and (98.81 ± 18.1) kJ mol−1, respectively. The ease of glass formation has also been studied. The reduced glass transition temperature (T rg), Hruby’ parameter (K gl) and fragility index (F i) indicate that the prepared glass is obtained from a strong glass forming liquid.
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This study is financially supported by UGC (Major Research Project), New Delhi for their financial support.
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Tripathi, S.K., Patial, B.S. & Thakur, N. Glass transition and crystallization study of chalcogenide Se70Te15In15 glass. J Therm Anal Calorim 107, 31–38 (2012). https://doi.org/10.1007/s10973-011-1724-1
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DOI: https://doi.org/10.1007/s10973-011-1724-1