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Sibley, David N. ; Llombart, Pablo ; Noya, Eva G. ; Archer, Andrew J. ; MacDowell, Luis G. | Springer Nature | 2021-01-11Close to the triple point, the surface of ice is covered by a thin liquid layer (so-called quasi-liquid layer) which crucially impacts growth and melting rates. Experimental probes cannotobserve the growth processes below this layer, and classic[...]texto impreso
Hypothesis: As a fluid approaches three phase coexistence, adsorption may take place by the successive formation of two intervening wetting films. The equilibrium thickness of these wetting layers is the result of a delicate balance of intermole[...]texto impreso
Benet, Jorge ; Lombart, Pablo ; Sanz, Eduardo ; MacDowell, Luis G. | American Physical Society | 2016-08-24We perform computer simulations of the quasi-liquid layer of ice formed at the ice/vapor interface close to the ice Ih/liquid/vapor triple point of water. Our study shows that the two distinct surfaces bounding the film behave at small wave-leng[...]texto impreso
Benet, Jorge ; Llombart, Pablo ; Sanz, Eduardo ; MacDowell, Luis G. | Americal Physical Society | 2016-08-26We perform computer simulations of the quasiliquid layer of ice formed at the ice-vapor interface close to the ice Ih-liquid-vapor triple point of water. Our study shows that the two distinct surfaces bounding the film behave at small wavelength[...]texto impreso
Llombart, Pablo ; Noya, Eva G. ; Sibley, David N. ; Archer, Andrew J. ; MacDowell, Luis G. | American Physical Society | 2020-02-11Understanding the wetting properties of premelting films requires knowledge of the film’s equation of state, which is not usually available. Here we calculate the disjoining pressure curve of premelting films and perform a detailed thermodynamic[...]texto impreso
Benet, Jorge ; Llombart, Pablo ; Sanz García, Eduardo ; MacDowell, Luis G. | Taylor & Francis | 2019-03-05In this paper we study the structure of the ice/vapor interface in the neighborhood of the triple point for the TIP4P/2005 model. We probe the fluctuations of the ice/film and film/vapor surfaces that separate the liquid film from the coexisting[...]texto impreso
Llombart, Pablo ; Bergua, Ramón M. ; Noya, Eva G. ; MacDowell, Luis G. | Royal Society of Chemistry | 2019-08-21In this work we perform computer simulations of the ice surface in order to elucidate the role of nitrogen in the crystal growth rates and crystal habits of snow in the atmosphere. In pure water vapor at temperatures typical of ice crystal forma[...]texto impreso
Llombart, Pablo ; Noya, Eva G. ; MacDowell, Luis G. | American Association for the Advancement of Science (AAAS) | 2020-05-20With climate modeling predicting a raise of at least 2°C by year 2100, the fate of ice has become a serious concern, but we still do not understand how ice grows (or melts). In the atmosphere, crystal growth rates of basal and prism facets exhib[...]texto impreso
Most often in chemical physics, long range van der Waals surface interactions are approximated by the exact asymptotic result at vanishing distance, the well known additive approximation of London dispersion forces due to Hamaker. However, the d[...]
