Application of the two-liquid model for the interpretation of the observed electrophysical properties of supercooled water in nanopores |
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Authors: | P O Fedichev L I Menshikov |
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Institution: | 1174. Quantum Pharmaceuticals Ltd., Moscow, 125171, Russia 2174. Moscow Institute of Physics and Technology (State University), Institutskii per. 9, Dolgoprudnyi, Moscow region, 141700, Russia 3174. National Research Centre Kurchatov Institute, Moscow, 123182, Russia
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Abstract: | We propose a model combining the first-order liquid-liquid and the second-order ferroelectric phase transitions phenomenology to explain various features of the λ-point of liquid water. We suggest that the long-range dipole-dipole interaction of water molecules leads to a ferroelectric phase transition, which occurs only in the low-density component of the liquid and is the origin of the singularity of the dielectric constant recently observed in experiments with supercooled liquid water in nanoporous materials. Finally, we establish the model parameters and prove the consistency of the combined model by comparing its predictions with experimental data and the results of recent molecular-dynamics simulations. |
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