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Application of Gibbs‐Di Marzio Modified Equation to the Ge–Te–Sb Vitreous System
Author(s) -
Belhadji M.,
Benameur N.,
Saiter J. M.,
Grenet J.
Publication year - 1997
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/1521-3951(199706)201:2<377::aid-pssb377>3.0.co;2-b
Subject(s) - differential scanning calorimetry , glass transition , gibbs free energy , thermodynamics , materials science , work (physics) , chemistry , analytical chemistry (journal) , physics , chromatography , polymer , composite material
In this work, we have determined by differential scanning calorimetry the values of the glass transition temperatures in the Ge x Te 1— x — y Sb y (0 ≤ x ≤ 0.2, 0 ≤ y ≤ 0.05) vitreous system. It is shown that the Gibbs‐Di Marzio modified equation proposed by Sreeram et al. describes the variation of the glass transition temperature with the average coordination number of these high Te‐containing alloys only if data are grouped for each Te content.