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Calorimetric studies in glassySe80−x Te20Sbx *

Published online by Cambridge University Press:  15 December 1998

A. Singh ,
A. K. Nagpal  and
A. Kumar
A. Singh
Affiliation:
Department of Physics, Harcourt Butler Technological Institute, Kanpur 208 002, India
A. K. Nagpal
Affiliation:
Department of Physics, Harcourt Butler Technological Institute, Kanpur 208 002, India
A. Kumar
Affiliation:
Department of Physics, Harcourt Butler Technological Institute, Kanpur 208 002, India
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Abstract

Calorimetric studies have been made in glassy Se80−x Te20Sbx where 0 ≤x ≤ 15 with a view to calculate the crystallization kinetic parameters. Multi scantechnique has been used to calculate the activation energy of crystallizationΔE and the order parameter (n). The results indicate that ΔE ishighly composition dependent in these glasses. A discontinuity in ΔE is observedat 10% of Sb which is explained in terms of mechanically optimised structure at aparticular average co-ordination number.

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Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 4 , Issue 3 , December 1998 , pp. 323 - 328
Copyright
© EDP Sciences, 1998

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* Work supported by the council of science and technology (U.P.), India.