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Current-induced magnetic skyrmions oscillator
Open accessAbstract
Spin transfer nano-oscillators (STNOs) are nanoscale devices which are promising candidates for on-chip microwave signal sources. For application purposes, they are expected to be nano-sized, to have broad working frequency, narrow spectral linewidth, high output power and low power consumption. In this paper, we demonstrate by micromagnetic simulation that magnetic skyrmions, topologically stable nanoscale magnetization configurations, can be excited into oscillation by a spin-polarized current. Thus, we propose a new kind of STNO using magnetic skyrmions. It is found that the working frequency of this oscillator can range from nearly 0 Hz to gigahertz. The linewidth can be smaller than 1 MHz. Furthermore, this device can work at a current density magnitude as small as 10 8 A m −2 , and it is also expected to improve the output power. Our studies may contribute to the development of skyrmion-based microwave generators.
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Citations
Cites
Anisotropic Superexchange Interaction and Weak Ferromagnetism
Moriya, T. (1960) · Physical Review · doi:10.1103/physrev.120.91 · Cited by 7,234
Cited by
Perspective: Magnetic skyrmions—Overview of recent progress in an active research field
Everschor-Sitte, K., Masell, J., Reeve, R. M., & Kläui, M. (2018) · Journal of Applied Physics · doi:10.1063/1.5048972 · Cited by 601
Skyrmions in magnetic multilayers
Jiang, W., Chen, G., Liu, K., Zang, J., te Velthuis, S. G. E., & Hoffmann, A. (2017) · Physics Reports · doi:10.1016/j.physrep.2017.08.001 · Cited by 566
Twisted Magnon as a Magnetic Tweezer
Jiang, Y., Yuan, H. Y., Li, Z.-X., Wang, Z., Zhang, H. W., Cao, Y., & Yan, P. (2020) · Physical Review Letters · doi:10.1103/physrevlett.124.217204 · Cited by 71
Metadata
- Authors
- Zhang, S., Wang, J., Zheng, Q., Zhu, Q., Liu, X., Chen, S., Jin, C., Liu, Q., Jia, C., & Xue, D.
- Venue
- New Journal of Physics
- Publisher
- IOP Publishing
- Published
- 2015-02-18
- Volume
- 17
- Issue
- 2
- Pages
- 023061
- ISSN
- 1367-2630 (ISSN-L)
- OpenAlex
- W2058458762
- Cited by
- 194
- References
- 1
- FWCI
- 8.83
- Type
- journal article
- Language
- en
- Open access
- gold
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- Zhang, S., Wang, J., Zheng, Q., Zhu, Q., Liu, X., Chen, S., Jin, C., Liu, Q., Jia, C., & Xue, D. (2015). Current-induced magnetic skyrmions oscillator. New Journal of Physics. https://doi.org/10.1088/1367-2630/17/2/023061
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