Liquid state of a hydrogen bond network in ice

It is theoretically shown that the Coulomb interaction between violations of the Bernal–Fowler rules leads to a temperature-induced stepwise increase in their concentration by 6–7 orders of magnitude. This first-order phase transition is accompanied by commensurable decrease in the relaxation time a...

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Bibliographic Details
Published in:JETP letters 2016-08, Vol.104 (4), p.248-252
Main Authors: Ryzhkin, M. I., Klyuev, A. V., Sinitsyn, V. V., Ryzhkin, I. A.
Format: Article
Language:English
Subjects:
Atomic
Biological and Medical Physics
Biophysics
Condensed Matter
Hydrogen bonds
Interstitials
Lattice vacancies
Melting
Molecular
Optical and Plasma Physics
Oxygen
Particle and Nuclear Physics
Phase transitions
Physics
Physics and Astronomy
Quantum Information Technology
Relaxation time
Solid State Physics
Spintronics
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Summary:It is theoretically shown that the Coulomb interaction between violations of the Bernal–Fowler rules leads to a temperature-induced stepwise increase in their concentration by 6–7 orders of magnitude. This first-order phase transition is accompanied by commensurable decrease in the relaxation time and can be interpreted as melting of the hydrogen bond network. The new phase with the melted hydrogen lattice and survived oxygen one is unstable in the bulk of ice, and further drastic increase in the concentrations of oxygen interstitials and vacancies accomplishes the ice melting. The fraction of broken hydrogen bonds immediately after the melting is about 0.07 of their total number that implies an essential conservation of oxygen lattice in water.
ISSN:0021-3640
1090-6487
DOI:10.1134/S0021364016160013