Title: The thermodynamics of structural changes in the liquid sulphur-tellurium system: compressibility and Ehrenfest's relations
Abstract: The velocity of sound in liquid sulphur-tellurium (S-Te) has been measured to investigate structural changes induced by raising the temperature. The sound velocity in a Te-rich alloy as a function of temperature shows a peaked minimum, which shifts to higher temperatures with increasing S content. The results have been used to deduce the isothermal compressibility. It has been shown that Ehrenfest's relations are satisfied among the temperature dependences of the isothermal compressibility, constant-pressure specific heat and volume expansion coefficient. The relations also explain the initial slope of the polymerization line in the pressure-temperature diagram for liquid S.
Publication Year: 1994
Publication Date: 1994-03-28
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 15
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