Eur. Phys. J. AP
Volume 4, Number 3, December 1998
|Page(s)||323 - 328|
|Published online||15 December 1998|
Calorimetric studies in glassy Se80−xTe20Sbx*
Department of Physics, Harcourt Butler Technological Institute, Kanpur 208 002, India
Revised: 16 August 1998
Accepted: 16 August 1998
Published online: 15 December 1998
Calorimetric studies have been made in glassy Se80−xTe20Sbx where 0 ≤ x ≤ 15 with a view to calculate the crystallization kinetic parameters. Multi scan technique has been used to calculate the activation energy of crystallization ΔE and the order parameter (n). The results indicate that ΔE is highly composition dependent in these glasses. A discontinuity in ΔE is observed at 10% of Sb which is explained in terms of mechanically optimised structure at a particular average co-ordination number.
PACS: 72.80.Ng – Disordered solids / 61.43.Fs – Glasses
© EDP Sciences, 1998
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