MSA  Vol.2 No.5 , May 2011
Thermal Properties of Se100–xZnx Glassy System
ABSTRACT
The crystallization process in Se100–xZnx glassy system is investigated using differential scanning calorimeters (DSC). The samples are prepared by conventional melt-quenching technique in the composition range 2 ≤ x ≤ 20 (at%). Non-isothermal measurements are carried out for different heating rates .The value of the glass transition temperature Tg the crystallization temperature Tc and the crystallization peak temperature Tp, are found to be depending upon both heating rate as well as the composition from thermal analytical data. The investigation of crystallization kinetics indicates a single stage crystallization process. The glass transition energy Eg and the crystallization activation energy Ec are also evaluated from thermal analytical data. The analyzer has been used the most reliable non-isothermal kinetic methods. The value of kinetics parameters Eg, Ec and ‘n’ are calculated using non-isothermal kinetics methods. The analysis shows that the incorporation of Zinc content has a strong influence on the crystallization mechanism for the Se100–xZnx glassy system.

Cite this paper
nullM. Nasir, M. Khan, M. Husain and M. Zulfequar, "Thermal Properties of Se100–xZnx Glassy System," Materials Sciences and Applications, Vol. 2 No. 5, 2011, pp. 289-298. doi: 10.4236/msa.2011.25038.
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