Thermal Kinetics Through Differential Scanning Calorimetry in Chalcogenide Glassy Semiconductors

Abstract

Differential Scanning Calorimetry (DSC) is one of the best ways to examine the thermal kinetics of non-equilibrium nature of synthesized non-crystalline materials. The exact thermal kinetics of glassy materials during the glass transition, involves crystallization and polymorphic transition. DSC, a characteristic technique of thermal phase transitions, evolves in the micro-structural properties. The endothermic (glass transition, Tg) and exothermic (crystallization temperature, Tc) nature of chalcogenide glasses obtained during the DSC thermal scanning have been investigated. The phenomenon of crystallization and glass transition kinetics of glassy semiconductors has been deliberated at various different heating rates using differential DSC. The present work deals with model fitting and model free non-isothermal (Kissinger–Akahira–Sunose, Ozawa-Flynn-Wall, Starink and Tang) approaches that are used to determine the various kinetic parameters i.e., activation energy (crystallization, Ec and glass transition, Eg), fraction of crystallization, pre-exponent factor etc. of the growing generations of Chalcogenide glassy binary, ternary, quaternary and multi-component alloys. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2024.