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The properties of suspensions of fine particles in dielectric liquid (electrorheological fluids) subjected to an electric field lead to a drastic change of the apparent viscosity of the fluid. For high applied fields (~ 3-5 kV/mm) the…

Chemical Physics · Physics 2007-05-23 Quentin Guegan , J. -N. Foulc , F. Ayela , O. Tillement

Nitrogen oxides are textbook class of molecular compounds, with extensive industrial applications. Nitrogen and oxygen are also among the most abundant elements in the universe. We explore the N-O system at 0 K and up to 500 GPa though ab…

Materials Science · Physics 2015-06-30 Dongxu Li , Artem R. Oganov , Xiao Dong , Xiang-Feng Zhou , Qiang Zhu , Guangrui Qian , Huafeng Dong

Compacted pellets of nanocrystalline nickel (NC-Ni) of average particle size ranging from 18 to 33 nm were prepared using a variety of surfactants. They were characterized well and were studied on the influence of the surfactants on the…

Mesoscale and Nanoscale Physics · Physics 2014-07-15 Netram Kaurav , Gunadhor S. Okram , V. Ganesan

Specifically, we examine concentrations from [NaCl]=1m to [NaCl]=6m, where 6.1m represents the solubility threshold of NaCl in H2O. For the water model, we employ the flexible TIP4P/$\epsilon_{Flex}$ model, which offers an enhanced…

Statistical Mechanics · Physics 2024-10-25 Raúl Fuentes-Azcatl

In situ high pressure XRD diffraction and Raman spectroscopy have been performed on 12 nm CeO2 nanoparticles. Surprisingly, under quasihydrostatic condition, 12 nm CeO2 nanoparticles maintain the fluorite-type structure in the whole…

Materials Science · Physics 2015-06-15 Bo Liu , Ran Liu , Quan-Jun Li , Ming-Guang Yao , Bo Zou , Tian Cui , Bing-Bing Liu

In this paper, thermal conductivity measurement of liquids and nanofluids is numerically investigated by the steady state method. In which, it is required to omit the natural convection effects on the inaccuracy of measurement for heat lost…

The rheology of nanoparticle suspensions for nanoparticles of various shapes with equal mass is studied using molecular dynamics simulations. The equilibrium structure and the response to imposed shear are analyzed for suspensions of…

Soft Condensed Matter · Physics 2015-05-18 David R. Heine , Matt K. Petersen , Gary S. Grest

We investigate electrostatic stability of charged droplets, modeled as permeable, charged spheres, and their encapsidation in thin, arbitrarily charged nano-shells, immersed in a neutralizing asymmetric electrolyte background. The latter…

Soft Condensed Matter · Physics 2013-11-15 Leili Javidpour , Anže Lošdorfer Božič , Ali Naji , Rudolf Podgornik

In order to control and tailor the properties of nanodots, it is essential to separate the effects of quantum confinement from those due to the surface, and to gain insight into the influence of preparation conditions on the dot physical…

Materials Science · Physics 2009-10-31 Laurent Pizzagalli , Giulia Galli , John E. Klepeis , Francois Gygi

The use of electrophoretic forces to tune friction at material-nanoparticle-liquid interfaces with static or low frequency (0.6-50 mHz) electric fields is reported for the first time. External electric fields were employed to reposition…

Soft Condensed Matter · Physics 2019-01-31 Biplav Acharya , Caitlin M. Seed , Donald W. Brenner , Alex I. Smirnov , Jacqueline Krim

The dewetting of thin nanofilms is significantly impacted by thermal fluctuations, liquid-solid slip, and disjoining pressure, which can be described by lubrication equations augmented by appropriately scaled noise terms, known as…

Fluid Dynamics · Physics 2024-10-29 Yixin Zhang

We study the settling of suspensions of relatively large particles with a diameter of the order of ten Kolmogorov scales and density slightly larger than the carrier fluid in statistically steady homogeneous isotropic turbulence. The…

Fluid Dynamics · Physics 2025-03-11 Francesco Battistaa , Sergio Chibbarob , Paolo Gualtieria

The work discusses the problem of measurement of the zeta-potential for electrolyte-based suspensions of nanoparticle. A theory is presented for the effect of the diffuse electric double layer, including the interphase (stagnant) layer, on…

Mesoscale and Nanoscale Physics · Physics 2023-04-19 S. D. Balika

The present work is devoted to the study of the thermostability of native DNA during binding to TiO$_{2}$ nanoparticles (NPs) at various concentrations under conditions close to physiological (0.1 M Na $^+$, pH 7) using thermal denaturation…

Sodium chloride (NaCl), or rocksalt, is well characterized at ambient pressure. Due to the large electronegativity difference between Na and Cl atoms, it has highly ionic chemical bonding, with stoichiometry 1:1 dictated by charge balance,…

Conventional heat carrier liquids have demonstrated remarkable enhancement in heat and mass transfer when nanoparticles were suspended in them. These liquid-nanoparticle suspensions are now known as Nanofluids. However the relationship…

Water's viscosity dependence on pressure was also not affected by O-GNFs, except at 10 ppm, where the shuttle effect may have increased the presence of hydrophobic methane bubbles in the solution. Under high pressure, the relative viscosity…

Nanocomposites made of polymer films embedding silver nanoparticles were prepared by thermal annealing of poly-(vinyl) alcohol films containing AgNO3. Low (2.5% w:w) and high (25% w:w) doping concentration of silver nitrate were considered…

Materials Science · Physics 2015-06-05 Corentin Guyot , Michel Voué

The gas sensitivity of Mg/CuO nanocomposite films, characterized by varying mass ratios of Mg:CuO, was assessed under exposure to 1000 ppm of methanol vapor. Films were fabricated by the doctor blade method on conductive and nonconductive…

Applied Physics · Physics 2024-02-08 C. A. Samarahewa

The method of formation of nanoparticle aggregates such as high-coverage spherical shells of microspheres or 3-D micro crystals grown in the geometry unaffected by a substrate is described. In the reported experiment, the evaporation of…

Soft Condensed Matter · Physics 2011-04-05 GGennadiy Derkachov , Krystyna Kolwas , Daniel Jakubczyk , Marcin Zientara , Maciej Kolwas