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Related papers: Water adsorption on a model silicate surface: woll…

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With most of the focus to date having been on the coalescence of freely suspended droplets, much less is known about the coalescence of sessile droplets, especially in the case of droplets laden with surfactant. Here, we employ large-scale…

Soft Condensed Matter · Physics 2024-03-19 S. Arbabi , P. Deuar , R. Bennacer , Z. Che , P. E. Theodorakis

Nm-range forces acting between calcite surfaces in water affect macroscopic properties of carbonate rocks and calcite-based granular materials, and are significantly influenced by calcite surface recrystallization. We suggest that the…

Materials Science · Physics 2019-07-04 Joanna Dziadkowiec , Shaghayegh Javadi , Jon E. Bratvold , Ola Nilsen , Anja Røyne

Carbon materials have a range of properties such as high electrical conductivity, high specific surface area, and mechanical flexibility are relevant for electrochemical applications. Carbon materials are utilised in energy…

We examine the nanoscale behavior of an equilibrium three-phase contact line in the presence of long-ranged intermolecular forces by employing a statistical mechanics of fluids approach, namely density functional theory (DFT) together with…

Fluid Dynamics · Physics 2014-08-05 Andreas Nold , David N. Sibley , Benjamin D. Goddard , Serafim Kalliadasis

Using first-principles density functional theory (DFT), we studied the issue of water incorporation in iron bearing wadsleyite (Mg$_2$SiO$_4$)mineral at transition zone pressures and temperature under varying conditions of vacancy…

Geophysics · Physics 2018-12-12 Tilak Das , Swastika Chatterjee , Tanusri Saha-Dasgupta

Experiments were performed to study the effects of surface wettability on flow boiling of water at atmospheric pressure. The test channel is a single rectangular channel 0.5 mm high, 5 mm wide and 180 mm long. The mass flux was set at 100…

Fluid Dynamics · Physics 2010-08-30 Hai Trieu Phan , Nadia Caney , Philippe Marty , Stéphane Colasson , Jérôme Gavillet

Chemisorption of CO on the stepped Cu(211) surface is studied within ab-initio density functional theory (DFT) and scanning tunneling microscopy (STM) imaging as well as manipulation experiments. Theoretically we focus on the experimentally…

Materials Science · Physics 2009-11-10 Marek Gajdos , Andreas Eichler , Jurgen Hafner , Gerhard Meyer , Karl-Heinz Rieder

Concentrated fabric conditioners are water-based formulations containing 10 wt. % of cationic surfactants that are deposited on textile fibers during the rinse cycle in a washing machine to make them smoother and softer to touch. In topical…

The study of the adsorption phenomenon of helium began many decades ago with the discovery of graphite as a homogeneous substrate for investigation of physically adsorbed monolayer films. In particular, helium monoatomic layers on graphite…

Materials Science · Physics 2016-02-17 R. Burganova , Y. Lysogorskiy , O. Nedopekin , D. Tayurskii

We study the diffusion of water in weakly-hydrated samples of the smectite clay Na-fluorohectorite. The quasi one-dimensional samples are dry compounds of nano-layered particles consisting of ~ 80 silicate platelets. Water diffuses into a…

Adsorption on a boundary line confining a monolayer of particles self-assembling into clusters is studied by MC simulations. We focus on a system of particles interacting via competing interaction potential in which effectively short-range…

Soft Condensed Matter · Physics 2020-01-22 E. Bildanau , J. Pȩkalski , V. Vikhrenko , A. Ciach

The results of a study that helps understand the mechanisms of adsorption of polyelectrolytes on particles, using numerical simulation methods, specifically the one known as dissipative particle dynamics are reported here. The adsorption of…

Soft Condensed Matter · Physics 2016-08-24 M. A. Balderas Altamirano , R. Camacho , E. Pérez , A. Gama Goicochea

The effect of vacancy and water adsorption on the electronic structure of semiconducting 2D trichalcogenide material CrPX$_3$ (X: S, Se) is studied using state-of-the-art density functional theory (DFT) approach. It is found that chalcogen…

Materials Science · Physics 2021-12-24 Sifan Xu , Zhicheng Wu , Yuriy Dedkov , Elena Voloshina

We use density functional theory (DFT) with the generalized gradient approximation (GGA) and our first-principles extrapolation method for accurate chemisorption energies {[Mason {\em et al.}, Phys. Rev. B {\bf 69}, 161401R (2004)]} to…

Materials Science · Physics 2007-05-23 Sara E. Mason , Ilya Grinberg , Andrew M. Rappe

Molecular dynamics results on water confined in a silica pore in the low hydration regime are presented. Strong layering effects are found due to the hydrophilic character of the substrate. The local properties of water are studied as…

Soft Condensed Matter · Physics 2009-11-07 P. Gallo , M. Rapinesi , M. Rovere

Cellulose is one of the most versatile substances in the world. Its immense variety of applications was in recent years complemented by interesting nanotechnological applications. The fabrication of complex cellulose-based materials asks…

Materials Science · Physics 2013-07-23 Reinhard J. Maurer , Alexander F. Sax , Volker Ribitsch

The curvature dependence of the physisorption properties of a water molecule inside and outside an armchair carbon nanotube (CNTs) is investigated by an incremental density-fitting local coupled cluster treatment with single and double…

Chemical Physics · Physics 2016-01-08 Shulai Lei , Shujuan Li , Burkhard Schmidt , Beate Paulus

The interaction between ammonia (NH$_3$) and (alumino)silicates is of fundamental and applied importance, yet the specifics of NH$_3$ adsorption on silicate surfaces remain largely unexplored, mainly because of experimental challenges…

Mesoscale and Nanoscale Physics · Physics 2024-04-29 Giada Franceschi , Andrea Conti , Luca Lezuo , Rainer Abart , Florian Mittendorfer , Michael Schmid , Ulrike Diebold

Adsorption of benzoic acid on the (110) surface of rutile, both unreconstructed and (1x2)- reconstructed ones, at saturation coverage of one benzoate per two adjacent five-coordinated Ti5c sites has been studied using DFT simulations, as…

Materials Science · Physics 2014-07-08 Xiang Zhao , David R. Bowler

We use molecular dynamics computer simulations and nuclear magnetic resonance experiments to investigate the dynamics of water at interfaces of molecular roughness and low mobility. We find that, when approaching such interfaces, the…

Soft Condensed Matter · Physics 2014-07-22 Markus Rosenstihl , Kerstin Kämpf , Felix Klameth , Matthias Sattig , Michael Vogel