Abstract
The results of differential scanning calorimetry (DSC) under non-isothermal conditions of the chalcogenide In-x(Se0.75Te0.25)(100-x) (where 0 <= x <= 10 at.%) glasses are reported and discussed. The dependence of the characteristic temperatures "glass transition temperature (T-g), the crystallization onset temperature (T-c) and the crystallization peak temperature (T-p) on the heating rate (a) utilized in the determination of the activation energy for the glass transition (E-g), the activation energy for crystallization (E-c) and the Avrami's exponent (n). The composition dependence of the T-g, E-g, and E-c were discussed in terms of the chemical bond approach, the average heats of atomization (H-s) and the cohesive energy (CE). The diffractogram of the transformed material shows the presence of some crystallites of Se-Te and In-Se in the residual amorphous matrix. (C) 2009 Elsevier B.V. All rights reserved.