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A model for the phase transition from ice VII to ice VIII: rigorous results

✍ Scribed by Radu Pitiş; Dale A. Huckaby


Book ID
103896400
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
583 KB
Volume
232
Category
Article
ISSN
0378-4371

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✦ Synopsis


A statistical mechanical model for the phase transition from disordered ice VII to ordered ice VIII is introduced. The model includes steric repulsions between neighboring atoms on different hydrogen-bonded structures. These repulsions can be reduced by small displacements of neighboring molecules, hydrogen-bond distortion energies being associated with such displacements. A phase transition is proved to occur as the temperature is lowered, and molecules in the low temperature phase are shown to be ordered in the same way as in ice VIII.


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