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Physics of Metals and Metallography
Erschienen in: Physics of Metals and Metallography 3/2022

01.03.2022 | ELECTRICAL AND MAGNETIC PROPERTIES

Spin Currents and Nonlinear Dynamics of Vortex Spin Torque Nano-Oscillators

verfasst von: K. A. Zvezdin, E. G. Ekomasov

Erschienen in: Physics of Metals and Metallography | Ausgabe 3/2022

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Abstract

Vortex spin torque nano-oscillators (STNOs) are multilayer spin-valve magnetic nanopillars, in which the magnetic layers (one or both) contain a magnetic vortex, the dynamics of which provides microwave radiation. In vortex STNOs, it was possible to achieve a high microwave signal power (on the order of 1 μW) and a relatively narrow linewidth (several hundreds of kHz). To further increase the power and improve the spectral characteristics of vortex STNOs, the collective dynamics and synchronization conditions in the ensembles of such nanostructures are studied. The subject of this review is the latest achievements in the field of physics and technology of vortex STNOs.
Nächster Artikel Structure, Magnetic and Magnetoresistance Properties of Co62Fe5Ni4Si15B14 Amorphous Ribbons

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Metadaten
Titel
Spin Currents and Nonlinear Dynamics of Vortex Spin Torque Nano-Oscillators
verfasst von
K. A. Zvezdin
E. G. Ekomasov
Publikationsdatum
01.03.2022
Verlag
Pleiades Publishing
Erschienen in
Physics of Metals and Metallography / Ausgabe 3/2022
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X22030140

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