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Related papers: Magnetoelectric Effects in Gyrotropic Superconduct…

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We show that the interplay between spin-orbit coupling (SOC) and the paramagnetic response of itinerant electrons in proximitized superconductor/paramagnet systems gives rise to the inverse spin galvanic effect, i.e. generation of magnetic…

Superconductivity · Physics 2024-06-25 S. V. Mironov , A. S. Mel'nikov , A. I. Buzdin

The spin-current model of electric polarization of spin origin is developed for a magnetic structure with anisotropic tensor gyromagnetic ratio (g-factor). Three mechanisms of the magnetoelectric effect are proposed, caused by the symmetric…

Other Condensed Matter · Physics 2026-04-28 Mariya Iv. Trukhanova , Pavel A. Andreev

We study the excess conductance due to the superconducting proximity effect in a ballistic two-dimensional electron system subject to an in-plane magnetic field. We show that under certain conditions the interplay of the Zeeman spin…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Grygoriy Tkachov , Klaus Richter

Recent theoretical results on magnetotransport of electrons in a 2D system in the range of moderately strong transverse magnetic fields are reviewed. The phenomena discussed include: quasiclassical memory effects in systems with various…

Disordered Systems and Neural Networks · Physics 2008-02-01 I. A. Dmitriev , F. Evers , I. V. Gornyi , A. D. Mirlin , D. G. Polyakov , P. Wölfle

Electric control of magnetism is a vision which drives intense research on magnetic semiconductors and multiferroics. Recently, also ultrathin metallic films were reported to show magnetoelectric effects at room temperature. Here we…

We simulate scattering of electrons by a chain of antiferromagnetically coupled quantum Heisenberg spins, to analyze spin-transfer effects not described by the classical models of magnetism. Our simulations demonstrate efficient excitation…

Materials Science · Physics 2021-01-27 Alexander Mitrofanov , Sergei Urazhdin

Recent progress in physics on spin dependent transport in magnetic nanostructures is reviewed. Special attention is paid on the spin accumulation and spin current caused by spin injection into non-magnetic metals and semiconductors and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 S. Maekawa

The single-particle and interaction effects on the cohesion, electronic transport, and some magnetic properties of metallic nanocylinders have been studied at finite voltages by using a generalized mean-field electron model. The…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 C. -H. Zhang

We extend the quasiclassical formalism for diffusive superconductors by deriving anisotropic (gradient) corrections to the Usadel equation. We demonstrate that in a number of physical situations such corrections may play a crucial role…

Superconductivity · Physics 2015-07-17 Mikhail S. Kalenkov , Andrei D. Zaikin

We investigate the impact of electrostatics on the proximity effect between a magnetic insulator and a semiconductor wire in semiconductor-superconductor-magnetic insulator hybrid structures. By performing self-consistent Schr$\ddot{\rm…

Mesoscale and Nanoscale Physics · Physics 2021-12-08 Benjamin D. Woods , Tudor D. Stanescu

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

The magnetic coupling between two concentric mesoscopic superconductors with non-zero thickness is studied using the nonlinear Ginzburg-Landau theory. We calculated the free energy, the expelled field, the total field profile, the…

Superconductivity · Physics 2007-05-23 B. J. Baelus , S. V. Yampolskii , F. M. Peeters

We present new mechanism for manipulation of the spin-wave amplitude through the use of the dynamic charge-mediated magnetoelectric effect in ultrathin multilayers composed of dielectric thin-film capacitors separated by a ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2020-01-22 Piotr Graczyk , Maciej Krawczyk

The control of a ferromagnet's magnetization via only electric currents requires the efficient generation of current-driven spin-torques. In magnetic structures based on topological insulators (TIs) current-induced spin-orbit torques can be…

Mesoscale and Nanoscale Physics · Physics 2017-12-18 M. Rodriguez-Vega , G. Schwiete , J. Sinova , E. Rossi

We show that spin polarization of electrons in nonmagnetic semiconductors near specially tailored ferromagnet-semiconductor junctions can achieve 100%. This effect is realized even at moderate spin injection coefficients of the contact when…

Other Condensed Matter · Physics 2007-05-23 V. V. Osipov , V. N. Smelyanskiy , A. G. Petukhov

Orbital currents and accumulation provide a new avenue to boost spintronic effects in nanodevices. Here we use interconversion effects between charge current and orbital angular momentum to demonstrate a dramatic increase in the magnon spin…

Mesoscale and Nanoscale Physics · Physics 2024-01-03 J. A. Mendoza-Rodarte , M. Cosset-Chéneau , B. J. van Wees , M. H. D. Guimarães

Antiferromagnets are robust to external electric and magnetic fields, and hence are seemingly uncontrollable. Recent studies, however, realized the electrical manipulations of antiferromagnets by virtue of the antiferromagnetic Edelstein…

Strongly Correlated Electrons · Physics 2019-01-01 Hikaru Watanabe , Youichi Yanase

In a recent letter [Phys. Rev. Lett. 80, 5782 (1998)], Bruder and Imry address the reentrance effect in proximity coupled normal-metal coated superconducting cylinders discovered by Mota et al. and challenging theoretical understanding to…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. Fauchere , V. Geshkenbein , G. Blatter

A magnetic-field-effect transistor is proposed that generates a spin-polarized current and exhibits a giant negative magnetoresitance. The device consists of a nonmagnetic conducting channel (wire or strip) wrapped, or sandwiched, by a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 R. N. Gurzhi , A. N. Kalinenko , A. I. Kopeliovich , A. V. Yanovsky , E. N. Bogachek , Uzi Landman

Magneto-electric effect in a multiferroic heterostructure film, i.e. a coupled ferromagnetic-ferroelectric thin film, has been investigated through the use of the Metropolis algorithm in Monte Carlo simulations. A classical Heisenberg model…

Mesoscale and Nanoscale Physics · Physics 2016-06-03 Zidong Wang , Malcolm Grimson
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