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The spin dynamics of electrons in chiral molecular systems remain a topic of intense interest, particularly regarding whether geometric chirality inherently induces spin polarization in current-carrying electrons. In this work, we employ ab…

We theoretically study the optical generation of dc spin current (i.e., a spin-current solar cell) in ordered antiferromagnetic and ferrimagnetic insulators, motivated by a recent study on the laser-driven spinon spin current in…

Mesoscale and Nanoscale Physics · Physics 2019-12-16 Hiroaki Ishizuka , Masahiro Sato

The resistivity in magnetic materials has been theoretically shown to depend on the spin-spin correlation function which in turn depends on the magnetic-field, the density of conduction electron, the magnetic ordering stability, etc.…

Statistical Mechanics · Physics 2010-12-30 Yann Magnin , K. Akabli , Hung The Diep , Isao Harada

Spin-resolved scanning tunneling microscopy is employed to quantitatively determine the spin-polarization of the magnetic field-split Kondo state. Tunneling conductance spectra of a Kondo-screened magnetic atom are evaluated within a simple…

Strongly Correlated Electrons · Physics 2015-03-05 Kirsten von Bergmann , Markus Ternes , Sebastian Loth , Christopher P. Lutz , Andreas J. Heinrich

Quantum interference effects in rings provide suitable means for controlling spin at mesoscopic scales. Here we apply such a control mechanism to the spin-dependent transport in a ballistic quasi one dimensional ring patterned in two…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 S. Bellucci , P. Onorato

This article presents theoretical results for the dynamic response of periodically surface-modulated ferromagnetic thin films. For such system, the role of the periodic dipolar field induced by the modulation is addressed by using the…

Mesoscale and Nanoscale Physics · Physics 2016-10-14 R. A. Gallardo , M. Langer , A. Roldán-Molina , T. Schneider , K. Lenz , J. Lindner , P. Landeros

Silver nanoparticles embedded in a dielectric matrix are investigated for their potential as broadband-absorbing optical sensor materials. This contribution focuses on the electrical properties of silver nanoparticles at various…

Materials Science · Physics 2011-06-21 Haoyan Wei , Hergen Eilers

We consider current-driven motion of magnetic skyrmions in granular magnetic films. The study uses micromagnetic modeling and phenomenological analysis based on the Thiele formalism. Remarkably, disorder enhances the effective skyrmion Hall…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 A. Salimath , A. Abbout , A. Brataas , A. Manchon

We show how a spin polarization can be generated through the photo-induced electron transfer of an achiral donor-acceptor complex following chiral light excitation. In particular, we illustrate the basic energetic and symmetry requirements…

Chemical Physics · Physics 2026-03-10 Sindhana Pannir-Sivajothi , David T. Limmer

A charge flow through a magnetic tunnel junction (MTJ) leads to the generation of a spin-polarized current which exerts a spin-transfer torque (STT) on the magnetization. When the density of applied direct current exceeds some critical…

Mesoscale and Nanoscale Physics · Physics 2019-07-10 A. I. Nikitchenko , N. A. Pertsev

Using long-distance lateral devices, spin transport near the interface of Si and its native oxide (SiO2) is studied by spin-valve measurements in an in-plane magnetic field and spin precession measurements in a perpendicular magnetic field…

Materials Science · Physics 2013-05-29 Hyuk-Jae Jang , Ian Appelbaum

We demonstrate a mesoscopic spin polarizer/analyzer system that allows the spin polarization of current from a quantum point contact in an in-plane magnetic field to be measured. A transverse focusing geometry is used to couple current from…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 R. M. Potok , J. A. Folk , C. M. Marcus , V. Umansky

We theoretically predict spatial separation of spin-polarized ballistic currents in transition metal dichalcogenides (TMDs) due to trigonal warping. We quantify the effect in terms of spin polarization of charge carrier currents in a…

Mesoscale and Nanoscale Physics · Physics 2023-05-31 Antonio L. R. Manesco , Artem Pulkin

The spin-dependent transport of the electrons tunneling through a resonant tunneling structure with ferromagnetic multi-terminal under dc and ac fields is explored by means of the nonequilibrium Green function technique. A general…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Zhen-Gang Zhu , Gang Su , Qing-Rong Zheng , Biao Jin

The combination of spin-orbit coupling driven effects and multiferroic tunneling properties was explored experimentally in thin Pt/Co/BTO/LSMO multilayers. The presence of a Pt heavy metal allows for the spin current-induced magnetization…

Mesoscale and Nanoscale Physics · Physics 2024-11-01 Jakub Pawlak , Witold Skowroński , Piotr Kuświk , Félix Casanova , Marek Przybylski

The spin-orbit torque, a torque induced by a charge current flowing through the heavy-metal conducting layer with strong spin-orbit interactions, provides an efficient way to control the magnetization direction in heavy-metal/ferromagnet…

We demonstrate that edge currents develop in active chiral matter -- composed of spinning disk-shaped grains with chirally arranged tilted legs confined in a circular vibrating chamber -- due to boundary shielding over a wide range of…

Soft Condensed Matter · Physics 2023-08-09 Alexander P. Petroff , Christopher Whittington , Arshad Kudrolli

We study the effect of the electron-electron interaction on the transport of spin polarized currents in metals and doped semiconductors in the diffusive regime. In addition to well-known screening effects, we identify two additional…

Strongly Correlated Electrons · Physics 2009-11-07 Irene D'Amico , Giovanni Vignale

The chirality induced spin selectivity (CISS) effect is a fascinating phenomena correlating molecular structure with electron spin-polarisation in excited state measurements. Experimental procedures to quantify the spin-filtering magnitude…

The low power manipulation of magnetization is currently a highly sought-after objective in spintronics. Non ferromagnetic large spin-orbit coupling heavy metal (NM) / ferromagnet (FM) heterostructures offer interesting elements of response…

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