English
Related papers

Related papers: Electron spin transport driven by surface plasmon …

200 papers

Converting magnetization spin to orbital current often relies on strong spin-orbit interaction that may cause additional angular momentum dissipation. We report that coherent magnetization dynamics in magnetic nanostructures can…

Mesoscale and Nanoscale Physics · Physics 2025-10-20 Chengyuan Cai , Hanchen Wang , Tao Yu

The spin-orbit interaction enables interconversion between a charge current and a spin current. It is usually believed that in a nonmagnetic metal (NM) or at a NM/ferromagnetic metal (FM) bilayer interface, the symmetry of spin-orbit…

We show how a complex Snell's law can be used to describe the refraction of surface plasmon polaritons (SPPs) at an interface between two metals, validating its predictions with 3-D electrodynamics simulations. Refraction gives rise to…

Mesoscale and Nanoscale Physics · Physics 2013-12-10 Jonathan J. Foley , Jeffrey M. McMahon , George C. Schatz , Stephen K. Gray

Present work demonstrates the formation of spin-orbital polarons in electron doped copper oxides, that arise due to doping-induced polarisation of the oxygen orbitals in the CuO$_2$ planes. The concept of such polarons is fundamentally…

Strongly Correlated Electrons · Physics 2018-05-23 Anna Kusmartseva , Heshan Yu , Kui Jin , Feodor Kusmartsev

The effect of spin-disorder scattering on perpendicular transport in a magnetic monolayer is considered within the single-site Coherent Potential Approximation (CPA). The exchange interaction between a conduction electron and localized…

Disordered Systems and Neural Networks · Physics 2009-11-07 Alireza Saffarzadeh

The kinetics of conduction electrons interacting with the field of sound waves in a constant magnetic field is studied. It is shown that the longitudinal sound wave propagation occurs transverse spin conductivity, which has a resonant…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 I. I. Lyapilin

We propose a new mechanism for irreversibility of light assisted by surface plasmon polaritons (SPPs). By achieving the different mutual conversion efficiency between the radiation field and the SPPs on the opposite surfaces of metal…

Spin polarized carriers electrically injected into a magnet from an external polarizer can exert a spin transfer torque (STT) on the magnetization. The phe- nomenon belongs to the area of spintronics research focusing on manipulating…

Materials Science · Physics 2015-06-05 N. Tesarova , P. Nemec , E. Rozkotova , J. Zemen , F. Trojanek , K. Olejnik , V. Novak , P. Maly , T. Jungwirth

We propose a generator of surface plasmon polaritons (SPPs) which, unlike spasers or plasmon lasers, does not require stimulated emission in the system. Its principle of operation is based on a positive feedback which a classical…

Mesoscale and Nanoscale Physics · Physics 2017-01-24 V. G. Bordo

We present experimental and numerical micromagnetic data on the effect of spin momentum transfer in current perpendicular to the plane spin valves. Starting from a configuration with orthogonal free and pinned layer magnetizations, the free…

Materials Science · Physics 2009-11-10 M. Covington , A. Rebei , G. J. Parker , M. A. Seigler

We propose a device in which the spin-polarized AC plasmon mode in the surface state of a topological insulator nanostructure induces a static spin accumulation in a resonant, normal metal structure coupled to it. Using a finite-difference…

Mesoscale and Nanoscale Physics · Physics 2011-01-11 Ian Appelbaum , H. D. Drew , M. S. Fuhrer

A ring structure fabricated from GaAs is used to achieve interference of the net spin polarization of conduction band electrons. Optically polarized spins are split into two packets by passing through two arms of the ring in the diffusive…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Y. K. Kato , R. C. Myers , A. C. Gossard , D. D. Awschalom

Prospect of building electronic devices in which electron spins store and transport information has revived interest in the spin relaxation of conduction electrons. Since spin-polarized currents cannot flow indefinitely, basic…

Condensed Matter · Physics 2009-10-31 Jaroslav Fabian , S. Das Sarma

First principles calculations show that electric fields applied to ferromagnets generate spin currents flowing perpendicularly to the electric field. Reduced symmetry in these ferromagnets enables a wide variety of such spin currents.…

Mesoscale and Nanoscale Physics · Physics 2019-07-03 V. P. Amin , Junwen Li , M. D. Stiles , P. M. Haney

We study the motion of free magnetic polarons in a paramagnetic background of fluctuating local moments. The polaron can tunnel only to nearby regions of local moments when these fluctuate into alignment. We propose this fluctuation induced…

Strongly Correlated Electrons · Physics 2009-11-07 L. G. L. Wegener , P. B. Littlewood

We utilize simulations of electron scattering by a chain of dynamical quantum spins, to analyze the interplay between the spin transfer effect and the magnetization dynamics. We show that the complex interactions between the spin-polarized…

Materials Science · Physics 2021-04-21 Neil Tramsen , Alexander Mitrofanov , Sergei Urazhdin

We show how the spin-transfer torque generated by an ac voltage may be used to excite a paramagnetic resonance of an atomic spin deposited on a metallic surface. This mechanism is independent of the environment of the atom and may explain…

Mesoscale and Nanoscale Physics · Physics 2019-03-06 Alexey M. Shakirov , Alexey N. Rubtsov , Pedro Ribeiro

We predict that the flow of unpolarized current in electron-doped GaAs and InP at room temperature is unstable at high electric fields to the dynamic formation of spin-polarized current pulses. Spin-polarized current is spontaneously…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Yunong Qi , Zhi-Gang Yu , Michael E. Flatté

We theoretically investigate spin dependent transport in ferromagnetic/normal metal/ferromagnetic single electron transistors by applying master equation calculations using a two dimensional space of states involving spin and charge degrees…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Watson Kuo , C. D. Chen

We present an extension to simple s-d models, aiming at simulating ultrafast magnetization dynamics and spin transport in metallic heterostructures. In particular, we consider an alternative spin dissipation channel due to a finite exchange…

Materials Science · Physics 2023-06-14 Quentin Remy
‹ Prev 1 4 5 6 7 8 10 Next ›