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- Article name
- Oscillations of magnetization in ferromagnetic nanostructures under the influence of spin-polarization current and elastic stresses
- Authors
- Kukharev A. V., , kuharev-sp@mail.ru, Belarusian State University of Informatics and Radioelectronics, 6 P. Browka str., Minsk, 220013, Belarus
Danilyuk A. L., , , Belarusian State University of Informatics and Radioelectronics, 6 P. Browka str., Minsk, 220013, Belarus
Borisenko V. E., , , Belarusian State University of Informatics and Radioelectronics, 6 P. Browka str., Minsk, 220013, Belarus
- Keywords
- magnetization oscillations / spin-polarization current / magnetostriction / elastic stresses
- Year
- 2011 Issue 4 Pages 12 - 19
- Code EDN
- Code DOI
- Abstract
- We have proposed a model and made numerical simulation of magnetization oscillations in ferromagnetic single-domain disks in the macrospin approximation under an influence of spin-polarization current and homogeneous longitudinal elastic mechanical stresses. It is shown that steady-state mechanical stresses are found to result in about one order of magnitude change of the threshold current controlling switching of the magnetization direction, or the stressed structure demonstrate periodical oscillations of magnetization with the frequencies of 1-30 GHz. Periodic mechanical stresses lead to quasiperiodic or chaotic character of magnetization oscillations.
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