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Related papers: Spin Hall Nano-Antenna

200 papers

We experimentally realize a photonic analogue of the anomalous quantum Hall insulator using a two-dimensional (2D) array of coupled ring resonators. Similar to the Haldane model, our 2D array is translation invariant, has zero net gauge…

Spin orbit torque driven switching is a favourable way to manipulate nanoscale magnetic objects for both memory and wireless communication devices. The critical current required to switch from one magnetic state to another depends on the…

We report a giant spin Hall effect (SHE) in {\beta}-W thin films. Using spin torque induced ferromagnetic resonance with a {\beta}-W/CoFeB bilayer microstrip we determine the spin Hall angle to be |\theta|=0.30\pm0.02, large enough for an…

Materials Science · Physics 2015-06-11 Chi-Feng Pai , Luqiao Liu , Y. Li , H. W. Tseng , D. C. Ralph , R. A. Buhrman

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 development of spintronic oscillators is driven by their potential applications in radio frequency telecommunication and neuromorphic computing. In this work, we propose a spintronic oscillator based on the chiral coupling in thin…

Mesoscale and Nanoscale Physics · Physics 2021-06-07 Zhiyang Zeng , Zhaochu Luo , Laura J. Heyderman , Joo-Von Kim , Aleš Hrabec

A method for deterministic control of the magnetic order parameter using an electrical stimulus is highly desired for the new generation of spintronic and magnetoelectronic devices. Much effort has been focused on magnetic domain-wall…

Storing, transmitting, and manipulating information using the electron spin resides at the heart of spintronics. Fundamental for future spintronics applications is the ability to control spin currents in solid state systems. Among the…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Fabrizio Nichele , Szymon Hennel , Patrick Pietsch , Werner Wegscheider , Peter Stano , Philippe Jacquod , Thomas Ihn , Klaus Ensslin

Spin Hall effect (SHE) induced reversal of perpendicular magnetization has attracted significant interest, due to its potential to lead to low power memory and logic devices. However, the switching requires an assisted in-plane magnetic…

Materials Science · Physics 2017-10-11 Zhengyang Zhao , Angeline Klemm Smith , Mahdi Jamali , Jian-Ping Wang

We propose an all-electrical nanoscopic structure where {\em pure} spin current is induced in the transverse voltage probes attached to {\em quantum-coherent} one-dimensional ring when conventional unpolarized charge current is injected…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Satofumi Souma , Branislav K. Nikolic

Electron-magnon coupling at the interface between a normal metal and a magnetically ordered insulator modifies the electrical conductivity of the normal metal, an effect known as spin-Hall magnetoresistance. It can also facilitate…

Mesoscale and Nanoscale Physics · Physics 2026-01-21 Oliver Franke , Duje Akrap , Piet W. Brouwer

Magnetic domain walls function as a wave guide for low energy magnons. In this paper we develop the theory for the non-local transport of these bound magnons through a ferromagnetic insulator that are injected and detected electrically in…

Mesoscale and Nanoscale Physics · Physics 2021-08-25 Dion M. F. Hartmann , Andreas Rückriegel , Rembert A. Duine

The recently discovered van der Waals antiferromagnets have suffered from the lack of a comprehensive method to study their magnetic properties. Here, we propose a dissipationless magnon spin Hall current driven by surface acoustic waves as…

Mesoscale and Nanoscale Physics · Physics 2024-06-06 Ryotaro Sano , Yuya Ominato , Mamoru Matsuo

Spin Hall effect, one of the cornerstones in spintronics refers to the emergence of an imbalance in the spin density transverse to a charge flow in a sample under voltage bias. This study points to a novel way for an ultrafast generation…

Mesoscale and Nanoscale Physics · Physics 2018-11-26 Jonas Wätzel , Jamal Berakdar

Spin Hall nano-oscillators (SHNOs) are promising candidates for new microwave oscillators with high durability due to a small driving current. However, conventional SHNOs with an in-plane precession (IPP) mode require a bias field for…

Mesoscale and Nanoscale Physics · Physics 2020-03-12 Takanori Shirokura , Pham Nam Hai

We show that a two-dimensional spin-orbit-coupled system in the presence of a charge/spin-density wave with a wave-vector perpendicular to an applied electric field supports bulk manifestations of the direct/inverse spin-Hall effect. We…

Materials Science · Physics 2010-03-15 Brandon Anderson , Tudor D. Stanescu , Victor Galitski

Artificial modulation of a neuronal subset through ion channels activation can initiate firing patterns of an entire neural circuit in vivo. As nanovalves in the cell membrane, voltage-gated ion channels can be artificially controlled by…

Applied Physics · Physics 2019-10-08 Kai Wu , Diqing Su , Renata Saha , Jian-Ping Wang

We report a mechanical effect in spin-valve nanopillars due to spin transfer. A polarized current carrying electron spins transfers torque to local magnetization and leads to a magnetic switching of free layer. Like classical Einstein-de…

Materials Science · Physics 2012-02-21 Hao Yu

Ever since its discovery, the electron spin has only been measured or manipulated through the application of an electromagnetic force acting on the associated magnetic moment. In this work, we propose a spin Aharonov-Bohm effect in which…

Mesoscale and Nanoscale Physics · Physics 2010-11-05 Joseph Maciejko , Eun-Ah Kim , Xiao-Liang Qi

While the helical character of the edge channels responsible for charge transport in the quantum spin Hall regime of a two-dimensional topological insulator is by now well established, an experimental confirmation that the transport in the…

Spin Hall effect, an electric generation of spin current, allows for efficient control of magnetization. Recent theory revealed that orbital Hall effect creates orbital current, which can be much larger than spin Hall-induced spin current.…