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Related papers: Polarization fields in nitride nanostructures: ten…

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The frozen internal polarization-induced electric fields due to broken inversion symmetry in all conventional blue and green nitride semiconductor light emitting semiconductor quantum well heterostructures point in a direction opposite to…

Applied Physics · Physics 2019-06-26 Henryk Turski , Shyam Bharadwaj , Huili , Xing , Debdeep Jena

Since the opacity of a magnetized plasma depends on polarization of radiation, the radiation emergent from atmospheres of neutron stars with strong magnetic fields is expected to be strongly polarized. The degree of linear polarization,…

Astrophysics · Physics 2009-10-31 G. G. Pavlov , V. E. Zavlin

Metasurfaces are a powerful tool for manipulating light using small structures on the nanoscale. In most meta-surfaces, near-field couplings are treated as unfavorable perturbations. Here, we experimentally investigate a structure…

Ferroelectric materials are characterized by the presence of an electric dipole that can be reversed by application of an external electric field, a feature that is exploited in ferroelectric memories. All ferroelectrics are piezoelectric,…

Mesoscale and Nanoscale Physics · Physics 2011-10-07 H. Lu , C. -W. Bark , D. Esque de los Ojos , J. Alcala , C. -B. Eom , G. Catalan , A. Gruverman

Bounded charges induced by the polarization gradient in finite-size ferroelectrics are known to produce the unfavorable depolarization electric field that suppresses the uniform ferroelectric state. To reduce the depolarization energy the…

Materials Science · Physics 2008-02-29 L. Lahoche , I. Luk'yanchuk , G. Pascoli

The magnetic properties of single-domain nanoparticles with different geometric shapes, crystalline anisotropies and lattice structures are investigated. A recently proposed scaling approach is shown to be universal and in agreement with…

Strongly Correlated Electrons · Physics 2009-11-13 Wen Zhang , Rohit Singh , Noah Bray-Ali , Stephan Haas

The performance of gold nanoparticles (NPs) in applications depends critically on the structure of the NP-solvent interface, at which the electrostatic surface polarization is one of the key characteristics that affects hydration, ionic…

Chemical Physics · Physics 2021-09-20 Zhujie Li , Victor G. Ruiz , Matej Kanduč , Joachim Dzubiella

The field of 2D materials-based nanophotonics has been growing at a rapid pace, triggered by the ability to design nanophotonic systems with in situ control, unprecedented degrees of freedom, and to build material heterostructures from…

We have studied experimentally and theoretically the interaction of polarized neutrons with magnetic thin films and magnetic multilayers. In particular, we have analyzed the behavior of the critical edges for total external reflection in…

Materials Science · Physics 2020-06-09 F. Radu , V. Leiner , M. Wolff , V. K. Ignatovich , H. Zabel

We study the effect of a strong magnetic field on the proton and neutron spin polarization and magnetic susceptibility of asymmetric nuclear matter within a relativistic mean-field approach. It is shown that magnetic fields $B \sim 10^{16}…

Nuclear Theory · Physics 2015-06-23 A. Rabhi , M. A. Pérez-García , C. Providência , I. Vidaña

Over the past two decades polymer nanocomposites have received tremendous interest from industry and academia due to their advanced properties comparative to polymer blends. Many computational studies have revealed that the macroscopic…

Materials Science · Physics 2015-04-07 Argyrios Karatrantos

Pure NaNbO$_{3}$ is an antiferroelectric material at room temperature that irreversibly transforms to a ferroelectric polar state when subjected to an external electrical field or lattice strain. Experimentally, it has been observed that…

Materials Science · Physics 2023-11-28 Kisung Kang , Saud Bin Anooz , Jutta Schwarzkopf , Christian Carbogno

Strain engineering of perovskite oxide thin films has proven to be an extremely powerful method for enhancing and inducing ferroelectric behavior. In ferroelectric thin films and superlattices, the polarization is intricately linked to…

Influence of material anisotropy and gyrotropy on optical properties of fractal multilayer nanostructures is theoretically investigated. Gyrotropy is found to uniformly rotate the output polarization for bi-isotropic multilayers of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 S. V. Zhukovsky , V. M. Galynsky

To optimize the performance of multifunctional carbon nanotube-ferroelectric devices, it is necessary to understand both the polarization and charge dynamics effects on their transconductance. Directly comparing ferroelectric…

Mesoscale and Nanoscale Physics · Physics 2013-06-06 Cédric Blaser , Vincent Esposito , Patrycja Paruch

A study of the mobility of n-doped wurtzite III-Nitrides is reported. We have determined the nonequilibrium thermodynamic state of the III-Nitrides systems, driven far away from equilibrium by a strong electric field, in the steady state,…

In the realm of modern materials science and advanced electronics, ferroelectric materials have emerged as a subject of great intrigue and significance, chiefly due to their remarkable property of reversible spontaneous polarization. This…

Materials Science · Physics 2025-07-31 Kai Kong , Qiang Wang , Yixuan Li , Yitong Liang

We investigate the polarization properties of emission associated with the magnetic dipole and electric dipole transitions of europium(III) coupled to an anisotropic dielectric metasurface with polarization-engineered electric and magnetic…

The combined action of a transverse spin-polarized current and the current-induced {\O}rsted field on long ferromagnetic nanostripes is studied numerically and analytically. The magnetization behavior is analyzed for stripes with various…

Mesoscale and Nanoscale Physics · Physics 2015-02-23 Oleksii M. Volkov , Volodymyr P. Kravchuk , Denis D. Sheka , Yuri Gaididei , Franz G. Mertens

Percolation phenomena are investigated and discussed in three kinds of nanostructures: first two are nanocrystalline silicon-based systems, Si nanodots embedded in amorphous SiO2 matrix and porous silicon formed by an oxidized nanowire…

Mesoscale and Nanoscale Physics · Physics 2011-06-23 I. Stavarache