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Related papers: Some theoretical considerations concerning ion hyd…

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Hydroxide ion transport in anion-exchange membranes fundamentally limits the efficiency of alkaline water electrolysis for green hydrogen production, yet the atomic-scale transport mechanisms remain poorly understood due to the…

The structure of ionic adsorption layers is studied via a proper thermodynamic treatment of the electrostatic and non-electrostatic interactions between the surfactant ions as well as of the effect of thermodynamic non-locality. The…

Soft Condensed Matter · Physics 2014-10-28 R. Tsekov

Water exchange reactions around ionic solutes are ubiquitous in aqueous solution-phase chemistry. However, the extreme sensitivity of exchange rates to perturbations in the chemistry of an ionic solute is not well understood. We examine…

Statistical Mechanics · Physics 2019-03-06 Richard C. Remsing , Michael L. Klein

Radical recombination has been proposed to lead to the formation of complex organic molecules (COMs) in CO-rich ices in the early stages of star formation. These COMs can then undergo hydrogen addition and abstraction reactions leading to a…

Astrophysics of Galaxies · Physics 2018-06-07 S. Álvarez-Barcia , P. Russ , J. Kästner , T. Lamberts

The dependence of DNA assemblies conductance on relative humidity is investigated theoretically. Following earlier suggestions, we consider the ionic conductivity through the layers of water adsorbed by DNA molecules. The increase in…

Chemical Physics · Physics 2015-05-14 J. M. Leveritt , S. Tesar , C. Dibaya , R. Shrestha , A. L. Burin

For a molecule, the two-center interference and the molecular scattering phase of the electron are important for almost all the processes that may occur in a laser field. In this study, we investigate their effects in the transfer of linear…

Atomic Physics · Physics 2018-12-19 Hao Liang , Mu-Xue Wang , Xiang-Ru Xiao , Qihuang Gong , Liang-You Peng

It is well known that the dielectric constant of two-dimensional (2D) electron system goes negative at low electron densities. A consequence of the negative dielectric constant could be the formation of the droplet state. The droplet state…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Junren Shi , Song He , X. C. Xie

Thermodiffusion in aqueous electrolyte solutions exhibits complex dependencies on temperature, concentration, and salt composition, yet its microscopic origins remain incompletely understood. Here, we employ non-equilibrium molecular…

Soft Condensed Matter · Physics 2026-04-21 Guansen Zhao , Fernando Bresme

We propose a fully ab initio theory to compute the electron density response under the perturbation in the local field. This method is based on our recently developed local dielectric response theory [Phys. Rev. B 92, 241107(R), 2015],…

Materials Science · Physics 2020-02-18 Xiaochuan Ge , Deyu Lu

We have performed Molecular Dynamics simulations of ectoine, hydroxyectoine and urea in explicit solvent. Special attention has been spent on the local surrounding structure of water molecules. Our results indicate that ectoine and…

Soft Condensed Matter · Physics 2011-10-06 Jens Smiatek , Rakesh Kumar Harishchandra , Oliver Rubner , Hans-Joachim Galla , Andreas Heuer

It is shown that at low temperatures and moderate electron dephasing the electron transmission function reveales a structure containing information about donor/acceptor sites effectively participating in the electron transfer (ET) processes…

Biological Physics · Physics 2007-05-23 Natalya A. Zimbovskaya

Graphene-based laminates, with ultralong and tortuous nanocapillaries formed by simply stacking graphene flakes together, have great promises in filtration and separation. However, the information on liquid water trans-membrane permeation…

Chemical Physics · Physics 2015-02-11 Pengzhan Sun , He Liu , Kunlin Wang , Minlin Zhong , Dehai Wu , Hongwei Zhu

Dissipative processes in relativistic fluids are known to be important in the analyses of the hot QCD matter created in high-energy heavy-ion collisions. In this work, I consider dissipative corrections to energy and conserved charge…

Nuclear Theory · Physics 2018-10-08 Akihiko Monnai

The route to super acidic ionic liquids by proton transfer from molecular super acids to weak molecular bases like pentafluoropyridine, has been described in recent work. Here we consider the process of making super basic ionic liquids by a…

Chemical Physics · Physics 2020-01-07 C. Austen Angell

We describe the atomic-level motions in caesium hydroxide monohydrate (CsOH$\cdot$H$_2$O), which is a chemical compound containing layers of water and hydroxide ions. At this composition, each oxygen is involved in three hydrogen bonds…

Materials Science · Physics 2026-05-05 Graeme J. Ackland , Ciprian G. Pruteanu , John S. Loveday , Keishiro Yamashita

We present evidence that the Einstein relation (ER) breaks down completely in pure water and dilute aqueous solutions under strong centrifugation fields at 40 oC. Isotopologues (e.g., H2O-18) and solutes migrate at a speed of only 5% of…

A dielectric model of electrostatic solvation is applied to describe potentials of mean force in water along reaction paths for: a) formation of a sodium chloride ion pair; b) the symmetric SN2 exchange of chloride in methylchloride; and c)…

chem-ph · Physics 2008-02-03 Gregory J. Tawa , Lawrence R. Pratt

Interfacial polar molecules feature a strongly anisotropic response to applied electric field, favoring dipole orientations parallel to the interface. In water, in particular, this effect combines with generic orientational preferences…

Soft Condensed Matter · Physics 2017-02-08 Dusan Bratko , Christopher D. Daub , Alenka Luzar

Ion hydrations are ubiquitous in natural and fundamental processes. A quantitative analysis of a novel CO2 sorbent driven by ion hydrations was presented by molecular dynamics (MD). We explored the humidity effect on the diffusion and…

Chemical Physics · Physics 2017-02-23 Xiaoyang Shi , Hang Xiao , Xi Chen , Tao Wang , Klaus. S. Lackner

A new scenario of thermalization process of the adsorbate attached at solid surfaces is proposed. The scenario is based on existence of electric dipole layer in which the electron wavefunctions extend over the positive ions. Thus the strong…

Chemical Physics · Physics 2017-04-26 Paweł Strak , Konrad Sakowski , Stanisław Krukowski