Article Dans Une Revue Journal of Physical Chemistry B Année : 2023

Interfacial Properties of Fluids Exhibiting Liquid Polyamorphism and Water-Like Anomalies

Résumé

It has been hypothesized that liquid polyamorphism, the existence of multiple amorphous states in a single component substance, may be caused by molecular or supramolecular interconversion. A simple microscopic model [Caupin and Anisimov, Phys. Rev. Lett., 127, 185701, (2021)] introduces interconversion in a compressible binary lattice to generate various thermodynamic scenarios for fluids that exhibit liquid polyamorphism and/or water-like anomalies. Using this model, we demonstrate the dramatic effects of interconversion on the interfacial properties. In particular, we find that the liquid-vapor surface tension exhibits either an inflection point or two extrema in its temperature dependence. Correspondingly, we observe anomalous behavior of the interfacial thickness and a significant shift in the location of the concentration profile with respect to the location of the density profile.

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hal-04142228 , version 1 (31-03-2025)

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Thomas J. Longo, Sergey V. Buldyrev, Mikhail A. Anisimov, Frédéric Caupin. Interfacial Properties of Fluids Exhibiting Liquid Polyamorphism and Water-Like Anomalies. Journal of Physical Chemistry B, 2023, 127 (13), pp.3079-3090. ⟨10.1021/acs.jpcb.2c08901⟩. ⟨hal-04142228⟩
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