Abstract
Crystallization processes of Se 80 Te 20- x Cd x ( x = 0 , 4, 8, 10 and 12) alloys at different heating rates have been studied by differential scanning calorimeter (DSC) by using non-isothermal technique. The values of glass transition temperature ( T g ) and crystallization temperature ( T c ) are found to be composition and heating rate dependence. From the heating rate dependence of glass transition temperature and crystallization temperature, the activation energy of crystallization (Δ E c ), the activation energy for structural relaxation (Δ E t ) and the order parameter (n) have been calculated. It was observed that Se 80 Te 16 Cd 4 has a minimum value of activation energy of structural relaxation (Δ E t ), which indicates that this particular glass has a larger probability to jump to a state of lower configurational energy and higher stability in the glassy region.
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