Entropy catastrophe and superheating of crystals

Entropy catastrophe and superheating of crystals

A study that presents an alternative evaluation of the two temperatures of instability, Tk and TSi, from experimentally measurable parameters, is presented. Results for alkali metals show that the Kauzmann-type entropy catastrophe occurs at about half the absolute melting temperature.

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Veröffentlicht in:Nature (London) 1988-12, Vol.336 (6199), p.567-568
Hauptverfasser: Lele, S, Rao, P. Ramachandra, Dubey, K. S
Format: Artikel
Sprache:eng
Schlagworte:
Alkali metals
Chemical thermodynamics
Chemistry
Crystals
Entropy
Exact sciences and technology
General and physical chemistry
Metals
Physics
Technology
Temperature
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Beschreibung
Zusammenfassung:A study that presents an alternative evaluation of the two temperatures of instability, Tk and TSi, from experimentally measurable parameters, is presented. Results for alkali metals show that the Kauzmann-type entropy catastrophe occurs at about half the absolute melting temperature.
ISSN:0028-0836
1476-4687
DOI:10.1038/336567a0