Some Properties of the Glass Transition in the Amorphous Sb-As-S-Se-I System

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Transformations of glasses from the multicomponent pseudobinary system (As2Se3)100−x(SbSI)x were analyzed from the aspect of determining the glass transition temperature Tg, activation energy of the process Et, and characteristic changes of the specific heat. The established dependence of Tg on glass composition and heating rate served as the basis for determining the activation energy of glass transition process Et. An abrupt increase in the specific heat cp at the glass transition temperature was analyzed with the aim of classifying the materials according to the criterion of the so-called 'fragility'. It was found that the investigated glasses, i.e. their melts, belong to the group of thermodynamically 'strong' melts.

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Periodical:

Edited by:

Dragan P. Uskoković, Slobodan K. Milonjić and Dejan I. Raković

Pages:

165-170

DOI:

10.4028/www.scientific.net/MSF.555.165

Citation:

F. Skuban et al., "Some Properties of the Glass Transition in the Amorphous Sb-As-S-Se-I System", Materials Science Forum, Vol. 555, pp. 165-170, 2007

Online since:

September 2007

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$35.00

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