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We investigate the transport properties of a ferromagnet-superconductor interface within the framework of a modified three-dimensional Blonder-Tinkham-Klapwijk formalism. In particular, we propose that charge inhomogeneity forms via two…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Ya-Fen Hsu , Tian-Wei Chiang , Guang-Yu Guo , Shang-Fan Lee , Jun-Jih Liang

The high field charge injection and transport properties in reinforced silicone dielectrics were investigated by measuring the time-dependent space charge distribution and the current under dc conditions up to the breakdown field, and were…

Materials Science · Physics 2016-08-04 Yanhui Huang , Linda. S. Schadler

Thermoelectrics are a promising class of materials for renewable energy owing to their capability to generate electricity from waste heat, with their performance being governed by a competition between charge and thermal transport. A…

A flexoelectric peridynamic (PD) theory is proposed. Using the PD framework, the formulation introduces, perhaps for the first time, a nanoscale flexoelectric coupling that entails non-uniform strain in centrosymmetric dielectrics. This…

Computational Physics · Physics 2016-03-15 Pranesh Roy , Debasish Roy

The spin and charge transport in materials with spin-dependent conductivity has been studied. It was shown that there is a charge accumulation along spin diffusion in a ferromagnetic metal, which causes a shortening of the spin diffusion…

Mesoscale and Nanoscale Physics · Physics 2020-10-05 Vadym Zayets

Electromagnetic form factors have long been used to probe the underlying charge and magnetization densities of hadrons and nuclei. Traditional three-dimensional Fourier transform methods are not rigorously applicable for systems with…

Nuclear Theory · Physics 2015-05-18 Gerald A. Miller

A general description of elastic matter and the long-range elastic interaction is propose. The type of the far-field interaction is determined by the way of breaking in the continuum distribution of the elastic field produced by topological…

Soft Condensed Matter · Physics 2007-05-23 Bohdan Lev

In this paper, a consistent theory is developed for size-dependent piezoelectricity in dielectric solids. This theory shows that electric polarization can be generated as the result of coupling to the mean curvature tensor, unlike previous…

General Physics · Physics 2013-05-15 Ali R. Hadjesfandiari

An interacting double layer system, with uniform positive background, is studied at finite temperature in the presense of a strong magnetic field corresponding to half filling in each layer. By mapping this system to composite fermions in…

Mesoscale and Nanoscale Physics · Physics 2009-10-28 S. Sakhi

Tribological loading of metals induces microstructural changes by dislocation-mediated plastic deformation. During continued sliding, combined shear and lattice rotation result in the formation of crystallographic textures which influence…

Materials Science · Physics 2021-12-20 Christian Haug , Dmitri Molodov , Peter Gumbsch , Christian Greiner

Models for same-material contact electrification in granular media often rely on a local charge-driving parameter whose spatial variations lead to a stochastic origin for charge exchange. Measuring the charge transfer from individual…

Soft Condensed Matter · Physics 2023-03-21 Galien Grosjean , Scott Waitukaitis

An unexplored physical mechanism which produces a magnetoelectric effect in ferroelectric/ferromagnetic multilayers is studied based on first-principles calculations. Its origin is a change in bonding at the ferroelectric/ferromagnet…

Materials Science · Physics 2015-06-25 Chun-Gang Duan , Sitaram S. Jaswal , Evgeny Y. Tsymbal

A strong coupling between electric polarization and elastic deformation in solids is an important factor in creating useful electromechanical nanodevices. Such coupling is typically allowed in insulating materials with inversion symmetry…

Materials Science · Physics 2024-10-30 Hidefumi Takahashi , Yusuke Kurosaka , Kenta Kimura , Akitoshi Nakano , Shintaro Ishiwata

Graphene is believed to be an excellent candidate material for next-generation electronic devices. However, one needs to take into account the nontrivial effect of metal contacts in order to precisely control the charge injection and…

Mesoscale and Nanoscale Physics · Physics 2013-10-08 Salvador Barraza-Lopez , Markus Kindermann , M. Y. Chou

Filler-polymer interactions are one of the keys to understanding the physical properties of polymer composites. These interactions give rise to an interface with specific properties that may have a nontrivial effect on the macroscopic…

Materials Science · Physics 2016-09-30 Yanhui Huang , Linda S. Schadler

We investigate theoretically the dynamic multiferroic response of coupled ferroelectric/ferromagnetic composites upon excitation by a photo-induced acoustic strain pulse. Two magnetoelectric mechanisms are considered: interface strain- and…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 Chenglong Jia , Ning Zhang , Alexander Sukhov , Jamal Berakdar

Complex oxides exhibit many intriguing phenomena, including metal-insulator transition, ferroelectricity/multiferroicity, colossal magnetoresistance and high transition temperature superconductivity. Advances in epitaxial thin film growth…

Strongly Correlated Electrons · Physics 2017-06-07 Hanghui Chen , Andrew J. Millis

We argue, for a wide class of systems including graphene, that in the low temperature, high density, large separation and strong screening limits the drag resistivity behaves as d^{-4}, where d is the separation between the two layers. The…

Mesoscale and Nanoscale Physics · Physics 2015-03-20 B Amorim , N M R Peres

In this paper we consider a viscoelastic string whose deformation is controlled at one end. We study the relations and the controllability of the couples traction/velocity and traction/deformation and we show that the first couple behaves…

Mathematical Physics · Physics 2012-10-24 Luciano Pandolfi

The electroneutrality assumption has long been adopted by scholars; however, this assumption may lead to an oversight of certain physical effects. Using derivations from a discontinuous medium, we have obtained an expression for the…

Applied Physics · Physics 2025-02-14 Shang Ru Li , Qi Kang Zhang , Xiao Xiong Wang