Thermomechanical and structural characterization of GeSe2-Sb2Se3-ZnSe glasses

On the basis of thermal and physicochemical properties of multicomponent GeSe2-Sb2Se3-ZnSe glasses, several microstructural characteristics such as glass-forming ability, compactness, micro-voids volume, their formation energy, modulus of elasticity, and apparent activation energy of glass transitio...

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Bibliographic Details
Published in:Materials letters 2003, Vol.57 (5-6), p.1025-1028
Main Authors: IVANOVA, Z. G, CERNOSKOVA, E, VASSILEV, V. S, BOYCHEVA, S. V
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Equations of state, phase equilibria, and phase transitions
Exact sciences and technology
Glass transitions
Physics
Specific phase transitions
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Summary:On the basis of thermal and physicochemical properties of multicomponent GeSe2-Sb2Se3-ZnSe glasses, several microstructural characteristics such as glass-forming ability, compactness, micro-voids volume, their formation energy, modulus of elasticity, and apparent activation energy of glass transition were determined. Their compositional dependencies showed that all these parameters increase at higher GeSe2 content, remaining almost constant in the range of 63-72 mol% GeSe2. The distribution of the corresponding structural units is discussed on the basis of Raman scattering data. 16 refs.
ISSN:0167-577X
1873-4979
DOI:10.1016/S0167-577X(02)00710-3