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Spin-Torque and Spin-Hall Nano-Oscillators

Review article
Authors Tingsu Chen
Randy K. Dumas
A. Eklund
Pranaba Muduli Kishor
Afshin Houshang
Ahmad Awad
Philipp Dürrenfeld
B.G. Malm
A. Rusu
Johan Åkerman
Published in Proceedings of the IEEE
Volume 104
Issue 10
Pages 1919-1945
ISSN 0018-9219
Publication year 2016
Published at Department of Physics (GU)
Pages 1919-1945
Language en
Links dx.doi.org/10.1109/JPROC.2016.25545...
Keywords Microwaves , spin-Hall effect , spin-transfer torque , spintronics
Subject categories Other Electrical Engineering, Electronic Engineering, Information Engineering, Engineering physics, Nano Technology, Condensed Matter Physics, Magnetism

Abstract

© 1963-2012 IEEE.This paper reviews the state of the art in spin-torque and spin-Hall-effect-driven nano-oscillators. After a brief introduction to the underlying physics, the authors discuss different implementations of these oscillators, their functional properties in terms of frequency range, output power, phase noise, and modulation rates, and their inherent propensity for mutual synchronization. Finally, the potential for these oscillators in a wide range of applications, from microwave signal sources and detectors to neuromorphic computation elements, is discussed together with the specific electronic circuitry that has so far been designed to harness this potential.

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