Calorimetric measurements on AS-SB-SE glasses

Mahadevan, Sudha and Giridhar, A and Singh, AK (1986) Calorimetric measurements on AS-SB-SE glasses. Journal of Non-Crystalline Solids, 88 (1). pp. 11-34.

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Results of thermal analysis performed at different heating rates on eight glasses of the As-Sb-Se system, with compositions represented by (As, Sb)//4//0Se//6//0 and As//xSb//1//5Se//8//5// minus //x are reported and discussed. The values of the glass transition temperature (T//g), the crystallization temperature (T//c) and the peak temperature of crystallization (T//p) are found to be independent of particle size. From the heating rate dependence of T//g and T//p, values of the activation energy for glass transition (E//t) and the activation energy for crystallization (E//c) are evaluated and their composition dependence discussed. The crystallization data are examined in terms of recent analyses developed for non-isothermal crystallization studies to arrive at E//c and details of the crystallization mechanism.

Item Type: Article
Additional Information: Copyright for this article belongs to Elsevier Science Publishers B.V
Uncontrolled Keywords: Antimony and alloys;Arsenic;Selenium;Calorimetric measurements; Glass composition;Glass transition temperature;Glass
Subjects: CHEMISTRY AND MATERIALS > Inorganic, Organic and Physical Chemistry
Depositing User: Ms. Alphones Mary
Date Deposited: 24 Apr 2008
Last Modified: 30 Apr 2012 04:53

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