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The formation of ice in the atmosphere affects precipitation and cloud properties, and plays a key role in the climate of our planet. Although ice can form directly from liquid water at deeply supercooled conditions, the presence of foreign…

Water adsorption on silicate surfaces is a critical yet poorly understood process relevant to, e.g., mineral weathering and cement hydration. This study investigates the structure of water overlayers on a model calcium silicate, the…

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

Mineral dust aerosols strongly influence Earth's climate by acting as ice-nucleating particles (INPs). Feldspar minerals, particularly K-feldspar, are recognized as dominant INPs, and a previous study attributed this behavior to (100)…

Chemical Physics · Physics 2026-04-17 Wanqi Zhou , Pablo M. Piaggi

Water and silicon are chemically dissimilar substances with common physical properties. Their liquids display a temperature of maximum density, increased diffusivity on compression, they form tetrahedral crystals and tetrahedral amorphous…

Soft Condensed Matter · Physics 2008-09-18 Valeria Molinero , Emily B. Moore

The instability of organometal halide perovskites when in contact with water is a serious challenge to their feasibility as solar cell materials. Although studies of moisture exposure have been conducted, an atomistic understanding of the…

Materials Science · Physics 2015-08-12 Nathan Z. Koocher , Diomedes Saldana-Greco , Fenggong Wang , Shi Liu , Andrew M. Rappe

It is shown that structuring at the microlevel, a previously not described in detail phenomenon, is the intrinsic property of water and aqueous solutions. At room conditions water (including "ultrapure" one) and aqueous solutions are…

Soft Condensed Matter · Physics 2018-09-05 Tatiana Yakhno , Vladimir Yakhno

We present a computational study into the adsorption properties of CO$_2$ on amorphous and crystalline water surfaces under astrophysically relevant conditions. Water and carbon dioxide are two of the most dominant species in the icy…

Astrophysics of Galaxies · Physics 2017-09-13 L. J. Karssemeijer , G. A. de Wijs , H. M. Cuppen

The dissolution of NaCl in water is one of the most common everyday processes, yet it remains poorly understood at the molecular level. Here we report the results of an extensive density functional theory study in which the initial stages…

Chemical Physics · Physics 2013-12-18 Jiří Klimeš , David R. Bowler , Angelos Michaelides

Water/solid interfaces are relevant to a broad range of physicochemical phenomena and technological processes such as corrosion, lubrication, heterogeneous catalysis and electrochemistry. Although many fields have contributed to rapid…

Materials Science · Physics 2013-01-31 Javier Carrasco , Andrew Hodgson , Angelos Michaelides

In the modern world, the focus of natural science research thought has shifted mainly to the molecular level, including the study of water. Water is considered as a mixture of interacting H2O molecules and their clusters based on the data…

Soft Condensed Matter · Physics 2022-05-24 Tatyana Yakhno , Anatoly Sanin , Vladimir Yakhno

Water is the main component of interstellar ice mantles, is abundant in the solar system and is a crucial ingredient for life. The formation of this molecule in the interstellar medium cannot be explained by gas-phase chemistry only and its…

Solar and Stellar Astrophysics · Physics 2017-08-23 S. Ioppolo , H. M. Cuppen , C. Romanzin , E. F. van Dishoeck , H. Linnartz

Polaron formation plays a major role in determining the structural, electrical and chemical properties of ionic crystals. Using a combination of first principles calculations and scanning tunneling microscpoy/atomic force microscopy…

Polarons are ubiquitous in many semiconductors and have been linked with conductivity and optical response of materials for photovoltaics and heterogeneous catalysis, yet how surface polarons influence adsorption remains unclear. Here, by…

Materials Science · Physics 2020-03-11 Ji Chen , Christopher Penschke , Ali Alavi , Angelos Michaelides

Aims: Our aim is to determine the critical parameters in water chemistry and the contribution of water to the oxygen budget by observing and modelling water gas and ice for a sample of eleven low-mass protostars, for which both forms of…

Astrophysics of Galaxies · Physics 2014-12-03 M. Schmalzl , R. Visser , C. Walsh , T. Albertsson , E. F. van Dishoeck , L. E. Kristensen , J. C. Mottram

Cyclodextrins are a family of oligosaccharides with a toroid shape which exhibit a unique ability of entrapping guest molecules in their internal cavity. Water is the primary guest molecule and is omnipresent in the crystalline phases…

Soft Condensed Matter · Physics 2018-10-02 Erika Specogna , King Wo Li , Madeleine Djabourov , Florent Carn , Kawthar Bouchemal

Interactions of hydrocarbons (HCs) and clay surfaces are responsible for fluid behaviour within shale reservoirs. These interactions are affected by the diversity of HC components and the variations in environmental conditions. This study…

Materials Science · Physics 2024-04-18 Rixin Zhao , Haitao Xue , Shuangfang Lu , H. Chris Greenwell , Valentina Erastova

The interaction of water with $\alpha$-alumina (i.e. $\alpha$-Al$_{2}$O$_{3}$ surfaces is important in a variety of applications and a useful model for the interaction of water with environmentally abundant aluminosilicate phases. Despite…

Chemical Physics · Physics 2017-11-15 Jonas Wirth , Harald Kirsch , Sebastian Wlosczyk , Yujin Tong , Peter Saalfrank , R. Kramer Campen

The organization of water molecules and ions between charged mineral surfaces determines the stability of colloidal suspensions and the strength of phase-separated particulate gels. In this article we assemble a density functional that…

Soft Condensed Matter · Physics 2024-05-15 Thomas Petersen

Life on Earth depends upon the dissolution of ionic salts in water, particularly NaCl. However, an atomistic scale understanding of the process remains elusive. Simulations lend themselves conveniently to studying dissolution since they…

Chemical Physics · Physics 2022-11-09 Niamh O'Neill , Christoph Schran , Stephen J. Cox , Angelos Michaelides
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