A study of thermal crystallization in glassy Se80Te20
and Se80In20 using DSC technique |
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Authors: | N Mehta A Kumar |
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Institution: | (1) Department of Physics, Harcourt Butler Technological Institute, Kanpur , India, 208 002 |
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Abstract: | Different
methods have been used by various workers to determine the activation energy
of thermal crystallization (Ec)
in chalcogenide glasses using non-isothermal DSC data. In the present work,
the crystallization kinetics of two important binary alloys Se80Te20
and Se80In20 is studied using
non-isothermal DSC data. DSC scans of these alloys have been taken at five
different heating rates. The values of activation energy of crystallization
(Ec) have been determined
by four different methods, i.e., Kissinger's method, Matusita-Sakka
method, Augis-Bennett's method and Ozawa's method, have
been used to calculate Ec.
The results obtained have been compared with each other to see the effect
of using different methods in the determination of Ec. |
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Keywords: | chalcogenide glasses differential scanning calorimetry non-isothermal methods |
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