Sinkhronizatsiya avtokolebaniy magnitnykh vikhrey v obmenno-svyazannykh ferromagnitnykh diskakh
- Authors: Tatarskiy D.A1,2, Mironov V.L1, Fraerman A.A1
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Affiliations:
- Institute for Physics of Microstructures, Russian Academy of Sciences
- Lobachevsky State University of Nizhny Novgorod
- Issue: Vol 163, No 3 (2023)
- Pages: 366-374
- Section: Articles
- URL: https://journals.rcsi.science/0044-4510/article/view/145274
- DOI: https://doi.org/10.31857/S0044451023030082
- EDN: https://elibrary.ru/QEOJNZ
- ID: 145274
Cite item
Abstract
The low-frequency (gyrotropic) self-oscillations of the magnetic vortices in interacting ferromagnetic disks, which are caused by a spin-polarized current, are studied by numerical simulation. Various magnetization oscillation modes depending on the configuration of the magnetic state of the system are considered. The influence of the pumping current nonuniformity on the phase difference of the vortex gyration in neighboring disks is investigated. The overlap of the disks is shown to increase the interaction between the vortices and, hence, to decrease the dephasing of the vortex core oscillations. The prospects of using overlapping disks to ensure phase synchronization of arrays of spin-transfer vortex oscillators are discussed.
About the authors
D. A Tatarskiy
Institute for Physics of Microstructures, Russian Academy of Sciences; Lobachevsky State University of Nizhny Novgorod
Email: tatarsky@ipmras.ru
607680, Nizhny Novgorod, Russia; 603950, Nizhny Novgorod, Russia
V. L Mironov
Institute for Physics of Microstructures, Russian Academy of Sciences
Email: tatarsky@ipmras.ru
607680, Nizhny Novgorod, Russia
A. A Fraerman
Institute for Physics of Microstructures, Russian Academy of Sciences
Author for correspondence.
Email: tatarsky@ipmras.ru
607680, Nizhny Novgorod, Russia
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