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We investigate the properties of water along the liquid/vapor coexistence line in the supercooled regime down to the no-man's land. Extensive molecular dynamics simulations of the TIP4P/2005 liquid/vapor interface in the range 198 -- 348 K…

Soft Condensed Matter · Physics 2023-02-15 Alexander Gorfer , Christoph Dellago , Marcello Sega

Using molecular dynamics simulations, we study the motion of a closely fitting nanometer-size solid sphere in a fluid-filled cylindrical nanochannel at low Reynolds numbers and for a wide range of fluid-solid interactions corresponding to…

Soft Condensed Matter · Physics 2007-05-23 German Drazer , Boris Khusid , Joel Koplik , Andreas Acrivos

The passage of single air bubbles through the horizontal interface between miscible viscoplastic and Newtonian fluids, considering various combinations of densities and viscosities for the fluid layers, is studied computationally. The…

Fluid Dynamics · Physics 2023-10-30 Marjan Zare , Ian Frigaard , Gregory Lawrence

We examine the applicability of various model profiles for the liquid/vapor interface by X-ray reflectivities on water and ethanol and their mixtures at room temperature. Analysis of the X-ray reflecivities using various density profiles…

Soft Condensed Matter · Physics 2014-04-30 Wei Bu , Doseok Kim , David Vaknin

Using molecular dynamic simulations we study a waterlike model confined between two fixed hydrophobic plates. The system is tested for density, diffusion and structural anomalous behavior and compared with the bulk results. Within the range…

Chemical Physics · Physics 2013-03-06 Leandro Batirolla Krott , Marcia Cristina Bernardes Barbosa

We collected literature data of thermal conductivity experimentally measured in ethylene glycol-based nanofluids and investigated the influence of concentration, temperature and nanoparticle size. We implemented statistical linear…

Soft Condensed Matter · Physics 2021-07-30 Julia Tielke , Marc Avila

We have studied the pressure and temperature dependence of solubility of nitrogen in methane and ethane using vapor-liquid equilibrium simulations of binary mixtures of nitrogen in methane and ethane for a range of pressures between 1.5 atm…

Soft Condensed Matter · Physics 2020-02-18 Pradeep Kumar , Vincent F. Chevrier

In this article we investigate through molecular dynamics simulations the diffusion behavior of the TIP4P/2005 water when confined in pristine and deformed carbon nanotubes (armchair and zigzag). To analyze different diffusive mechanisms,…

Soft Condensed Matter · Physics 2021-02-03 Bruno H. S. Mendonça , Patricia Ternes , Evy Salcedo , Alan B. de Oliveira , Marcia C. Barbosa

Interfacial thermal transport is a critical bottleneck in nanoscale systems, where heat dissipation and energy efficiency are strongly modulated by molecular ordering at solid-liquid boundaries. Here, using atomistic simulations of…

Mesoscale and Nanoscale Physics · Physics 2026-01-14 Viktor Mandrolko , Mykola Isaiev

The adsorption of anions from aqueous solution on the air/water interface controls important heterogeneous chemistry in the atmosphere and is thought to have similar physics to anion adsorption at hydrophobic interfaces more generally.…

Chemical Physics · Physics 2018-05-09 Yujin Tong , Igor Ying Zhang , R. Kramer Campen

Recently, ultra-small-diameter Single Wall Nano Tubes with diameter of $ \sim 0.4 nm$ have been produced and many unusual properties were observed, such as superconductivity, leading to a transition temperature $T_c\sim 15^oK$, much larger…

Superconductivity · Physics 2009-11-11 S. Bellucci , M. Cini , P. Onorato , E. Perfetto

The interface between liquid water and the Pt(111) metal surface is characterized structurally and thermodynamically via reactive molecular dynamics (MD) simulations within the ReaxFF framework. The formation of a distinct buckled adsorbate…

Chemical Physics · Physics 2021-03-19 Christoph Karsten Jung , Laura Braunwarth , Andrey Sinyavskiy , Timo Jacob

We use systematic 8 ns ab initio molecular dynamics (AIMD) to study the structure and dynamics of water in bulk, and close to both hydrophobic and hydrophilic (carbonyl) groups of tetramethylurea (TMU). We observe crossovers in the…

Soft Condensed Matter · Physics 2015-05-08 John T. Titantah , Mikko Karttunen

An overview is presented of the various phases predicted to occur when gases are absorbed within a bundle of carbon nanotubes. The behavior may be characterized by an effective dimensionality, which depends on the species and the…

Soft Condensed Matter · Physics 2007-05-23 M. Mercedes Calbi , Milton W. Cole , Silvina M. Gatica , Mary J. Bojan , George Stan

Low-energy structures of a hybrid system consisting of a polymer and an attractive nanowire substrate as well as the thermodynamics of the adsorption transition are studied by means of Monte Carlo computer simulations. Depending on…

Soft Condensed Matter · Physics 2011-07-05 Thomas Vogel , Michael Bachmann

We demonstrate a facile and scalable technique, rotational freezing, to produce porous tubular ceramic supports with radially aligned porosity. The method is based on a conventional ice-templating process in a rotatory mold and demonstrated…

Thin layers of water on biomolecular and other nanostructured surfaces can be supercooled to temperatures not accessible with bulk water. Chen et al. [PNAS 103, 9012 (2006)] suggested that anomalies near 220 K observed by quasi-elastic…

Soft Condensed Matter · Physics 2010-03-04 W. Doster , S. Busch , A. M. Gaspar , M. -S. Appavou , J. Wuttke , H. Scheer

Recent success in synthesizing thermally stable nanofluids at low costs is a significant breakthrough in the evolution of volumetric absorption based solar thermal systems. However, we have yet not been able to clearly identify the range of…

Applied Physics · Physics 2019-11-13 Apoorva Singh , Manish Kumar , Vikrant Khullar

Annealing of crystalline multilayers composed of two miscible elements usually causes interfacial mixing of the constituent atoms, possibly leading to the formation of binary alloys at the interfaces. Magnetron sputtered c-Ni/a-Zr…

Materials Science · Physics 2021-10-01 Debarati Bhattacharya , Vijay Karki , Surendra Singh , T. V. Chandrasekhar Rao

The structure of an adsorption octadecanamide film at the planar toluene-water interface is studied by X-ray reflectometry using synchrotron radiation with photon energy of 15 keV. The electron density (polarizability) profiles, according…

Soft Condensed Matter · Physics 2020-04-22 Aleksey M. Tikhonov , Yurii O. Volkov