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We present a realistic phenomenological description of liquid transport through defective, layered membranes. We derive general expressions based on conventional models of laminar flow and extend the formalism to accommodate slip flow. We…

Materials Science · Physics 2020-10-27 Alexander Quandt , Andrii Kyrylchuk , Gotthard Seifert , David Tománek

The transport and dispersion of multiple species of charged ions are central to many biological and physical processes, including electrokinetic ion separation. However, most theoretical studies of dispersion in channels have focused on…

Soft Condensed Matter · Physics 2026-05-04 Thakurdas Mahata , Anirban Chatterjee , Ameeya Kumar Nayak

The present study deals with the effect of ionic advection on electroosmotic flow over charge modulated surfaces in a generalized paradigm when the classically restrictive "weak field" limit may be relaxed. Going beyond the commonly…

Fluid Dynamics · Physics 2015-09-29 Uddipta Ghosh , Suman Chakraborty

Immiscible fluid displacement in porous media is fundamental for many environmental processes, including infiltration of water in soils, groundwater remediation, enhanced recovery of hydrocarbons and carbon geosequestration. Microstructural…

Fluid Dynamics · Physics 2019-05-22 Oshri Borgman , Thomas Darwent , Enrico Segre , Lucas Goehring , Ran Holtzman

To establish the presence and orientation of the proposed striped phase in ultra-high mobility 2D electron systems at filling factor 9/2, current path transport properties are determined by varying the separation and allignment of current…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 R. L. Willett , K. W. West , L. N. Pfeiffer

The development of high-performance sodium (Na) ion batteries requires improved electrode materials. The energy and power densities of Na superionic conductor (NaSICON) electrode materials are promising for large-scale energy storage…

Dislocations, one-dimensional lattice imperfections, are common to technologically important materials such as III-V semiconductors, and adversely affect heat dissipation in e.g., nitride-based high-power electronic devices. For decades,…

Materials Science · Physics 2019-01-23 Bo Sun , Georg Haunschild , Carlos Polanco , James Ju , Lucas Lindsay , Gregor Koblmüller , Yee Kan Koh

Reliable and controllable switches are crucial in nanofluidics and iontronics. Ion channels in nature serve as a rich source of inspiration due to their intricate mechanisms modulated by stimuli like pressure, temperature, chemicals, and…

Mesoscale and Nanoscale Physics · Physics 2023-10-17 Gonçalo Paulo , Alberto Gubbiotti , Giovanni Di Muccio , Alberto Giacomello

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

Channel proteins, that selectively conduct molecules across cell membranes, often exhibit an asymmetric structure. By means of a stochastic model, we argue that channel asymmetry in the presence of non-equilibrium fluctuations, fueled by…

Biological Physics · Physics 2007-05-23 Ioan Kosztin , Klaus Schulten

We study the effect of volumetric constraints on the structure and electronic transport properties of distilled water in a nanopore with embedded electrodes. Combining classical molecular dynamics simulations with quantum scattering theory,…

Soft Condensed Matter · Physics 2014-01-30 P. Boynton , M. Di Ventra

We have fabricated oxide based spin filter junctions in which we demonstrate that magnetic anisotropy can be used to tune the transport behavior of spin filter junctions. Until recently, spin filters have been largely comprised of…

Materials Science · Physics 2015-05-27 R. V. Chopdekar , B. B. Nelson-Cheeseman , M. Liberati , E. Arenholz , Y. Suzuki

Solid-state ionic conduction is a key enabler of electrochemical energy storage and conversion. The mechanistic connections between material processing, defect chemistry, transport dynamics, and practical performance are of considerable…

Materials Science · Physics 2022-08-04 Andrey D. Poletayev , James A. Dawson , M. Saiful Islam , Aaron M. Lindenberg

The activity of cell membrane inclusions (such as ion channels) is influenced by the host lipid membrane, to which they are elastically coupled. This coupling concerns the hydrophobic thickness of the bilayer (imposed by the length of the…

Soft Condensed Matter · Physics 2018-06-24 Florent Bories , Doru Constantin , Paolo Galatola , Jean-Baptiste Fournier

The loading of a granular material induces anisotropies of the particle arrangement (fabric) and of the material's strength, incremental stiffness, and permeability. Thirteen measures of fabric anisotropy are developed, which are arranged…

Soft Condensed Matter · Physics 2018-12-21 Matthew R. Kuhn , WaiChing Sun , Qi Wang

Perm-selective ion transportation in a nanoscale structure has been extensively studied with aids of nanofabrication technology for a decade. While theoretical and experimental advances pushed the phenomenon to seminal innovative…

Applied Physics · Physics 2020-01-29 Wonseok Kim , Jungeun Lee , Gun Yong Sung , Sung Jae Kim

Highly oriented polymer films can show considerable anisotropy in the thermoelectric properties leading to power factors beyond those predicted by the widely obeyed power law linking the thermopower $S$ and the electrical conductivity…

Anions generally associate more favorably with the air-water interface than cations. In addition to solute size and polarizability, the intrinsic structure of the unperturbed interface has been discussed as an important contributor to this…

Soft Condensed Matter · Physics 2021-03-25 Stephen J. Cox , Dayton G. Thorpe , Patrick R. Shaffer , Phillip L. Geissler

The dielectric environment of thin semiconductor nanowires can affect the charge transport properties inside the wire. In this work, it is shown that Coulomb impurity scattering inside thin nanowires can be damped strongly by coating the…

Mesoscale and Nanoscale Physics · Physics 2009-06-15 Aniruddha Konar , Debdeep Jena

Broken symmetries in graphene affect the massless nature of its charge carriers. We present an analysis of scattering by defects in graphene in the presence of spin-orbit interactions (SOIs). A characteristic constant ratio ($\simeq 2$) of…

Mesoscale and Nanoscale Physics · Physics 2014-04-10 Mahmoud M. Asmar , Sergio E. Ulloa
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