Kinematical Studies of Thermal Crystallization in Glassy Se78–x Te20Sn2Bi x (0 ≤ x ≤ 6) Alloys
In this study, we report the results of calorimetric measurements on the samples of glassy Se78–x Te20Sn2Bi x (0 ≤ x ≤ 6) alloys. For non-isothermal study of crystallization kinetics, DSC scans have been used. Peak crystallization temperature (Tc ), crystallization enthalpy (ΔHc ), entropy change during the crystallization (ΔS) are determined using these DSC thermo-grams. Activation energy of crystallization (Ec ) has been calculated using Kissinger, Matusita-Sakka, and Augis-Bennett methods. Rate constants K of crystallization, its peak value Kp and frequency factor K 0 are also obtained. The chemical bond approach is used to explain results.
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Document Type: Research Article
Publication date: September 1, 2013
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