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Specific heat and related thermodynamic properties of (Se80Te20)100-xAgx (1 < x < 4) glasses

Published online by Cambridge University Press:  28 January 2011

D. Singh ,
S. Kumar  and
R. Thangaraj
D. Singh
Affiliation:
Semiconductors Laboratory, Department of Physics, Guru Nanak Dev University, 143005, Amritsar, Punjab, India
S. Kumar
Affiliation:
Semiconductors Laboratory, Department of Physics, Guru Nanak Dev University, 143005, Amritsar, Punjab, India
R. Thangaraj*
Affiliation:
Semiconductors Laboratory, Department of Physics, Guru Nanak Dev University, 143005, Amritsar, Punjab, India
*
[email protected]
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Abstract

This paper presents the result of thermodynamic studies on (Se80Te20)100-xAgx ( 1< x < 4)glasses under non isothermal conditions using differential scanning calorimetric technique. Thecrystallization kinetics has also been discussed. Thermodynamic parameters like entropy difference betweenglassy and the crystalline phase, difference of Gibbs free energy, specific heat, and the enthalpy released during phase transformation have been evaluated. The heat capacity jump and fragility of these alloys are alsocalculated. The results show that the stability of sample is minimum for (Se80Te20)99Ag1 and maximum for (Se80Te20)97Ag3 among all the samples.

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 53 , Issue 2 , February 2011 , 20302
Copyright
© EDP Sciences, 2011

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