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Spin-orbit torques and their associated effective fields from gigahertz to terahertz

Physics

Spin-orbit torques and their associated effective fields from gigahertz to terahertz

F. S. Guimarães, J. Bouaziz, et al.

This groundbreaking research by Filipe S.M. Guimarães, Juba Bouaziz, Manuel dos Santos Dias, and Samir Lounis explores how dynamical transverse components of spin-orbit torques transform and uncover new longitudinal contributions to magnetic moments. Discover how these insights could revolutionize control over magnetic units in next-generation spintronic devices!

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Playback language: English
Abstract
This paper investigates the dynamical transverse components of spin-orbit torques (SOTs) and uncovers longitudinal contributions to the magnetic moment capable of changing its magnitude. The study reveals that while SOTs are drastically altered in the dynamical regime, the associated effective magnetic fields exhibit frequency-independent behavior from the static limit up to the terahertz domain, including the ferromagnetic resonance of the system. These findings suggest new ways to control magnetic units in next-generation spintronic devices.
Publisher
Communications Physics
Published On
Jan 22, 2020
Authors
Filipe S.M. Guimarães, Juba Bouaziz, Manuel dos Santos Dias, Samir Lounis
Tags
spin-orbit torques
magnetic moment
dynamical regime
effective magnetic fields
spintronic devices
ferromagnetic resonance

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