Abstract
Differential Scanning Calorimetry (DSC) is performed at different heating rates under non-isothermal conditions to study the specific heat studies of glassy Se80 − x Te20Sn x (0 ≤ x ≤ 10) alloys. An extremely large increase in the specific heat values has been observed at the glass transition temperature. It has also been found that the values of C p below glass transition temperature (C pg ) and after glass transition (C pe ) are highly composition dependent. This indicates that the Sn additive used in the present study influences the structure of the glassy Se80Te20 alloy. The results show that C p values reveal local extrema in Se-Te-Sn glassy system at x = 4 and x = 8. The composition dependence of both parameters (C pe and C pg ) has been explained in terms of the glassy structure of Se-Te-Sn system.
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