JCPT  Vol.4 No.2 , April 2014
Kinetic Study of Non-Isothermal Crystallization in Se90-xZn10Sbx (x = 0, 2, 4, 6) Chalcogenide Glasses
ABSTRACT
Crystallization and glass transition kinetics of Se90-xZn10Sbx (x = 0, 2, 4, 6) chalcogenide glasses prepared by conventional melt-quenching technique were studied under non-isothermal condition using a differential scanning Calorimeter (DSC) measurement at different heating rates 5, 7, 10 and 12°C/min. The glass transition temperatures Tg, the crystallization temperatures Tc and the peak temperatures of crystallization Tp were found to be dependent on the compositions and the heating rates. From the dependence on the heating rates of Tg and Tp, the activation energy for glass transition, Eg, and the activation energy for crystallization, Ec, are calculated and their composition dependence is discussed. The activation energy of glass transition Eg, Avrami index n, dimensionality of growth m and activation energy of crystallization Ec have been determined from different models.

Cite this paper
Heireche, L. , Heireche, M. and Belhadji, M. (2014) Kinetic Study of Non-Isothermal Crystallization in Se90-xZn10Sbx (x = 0, 2, 4, 6) Chalcogenide Glasses. Journal of Crystallization Process and Technology, 4, 111-120. doi: 10.4236/jcpt.2014.42014.
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