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Current-Induced Switching of Perpendicularly Magnetized Magnetic Layers Using Spin Torque from the Spin Hall Effect
Open accessAbstract
We show that in a perpendicularly magnetized Pt/Co bilayer the spin-Hall effect (SHE) in Pt can produce a spin torque strong enough to efficiently rotate and switch the Co magnetization. We calculate the phase diagram of switching driven by this torque, finding quantitative agreement with experiments. When optimized, the SHE torque can enable memory and logic devices with similar critical currents and improved reliability compared to conventional spin-torque switching. We suggest that the SHE torque also affects current-driven magnetic domain wall motion in Pt/ferromagnet bilayers.
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Nagaosa, N., Sinova, J., Onoda, S., MacDonald, A. H., & Ong, N. P. (2010) · Reviews of Modern Physics · doi:10.1103/revmodphys.82.1539 · Cited by 4,798
Hirsch, J. E. (1999) · Physical Review Letters · doi:10.1103/physrevlett.83.1834 · Cited by 3,163
Cited by
Current induced torques and interfacial spin-orbit coupling: Semiclassical modeling
Haney, P. M., Lee, H.-W., Lee, K.-J., Manchon, A., & Stiles, M. D. (2013) · Physical Review B · doi:10.1103/physrevb.87.174411 · Cited by 517
Wang, M., Cai, W., Zhu, D., Wang, Z., Kan, J., Zhao, Z., Cao, K., Wang, Z., Zhang, Y., Zhang, T., et al. (2018) · Nature Electronics · doi:10.1038/s41928-018-0160-7 · Cited by 482
Spin transport and spin torque in antiferromagnetic devices
Železný, J., Wadley, P., Olejník, K., Hoffmann, A., & Ohno, H. (2018) · Nature Physics · doi:10.1038/s41567-018-0062-7 · Cited by 454
Niimi, Y., Kawanishi, Y., Wei, D. H., Deranlot, C., Yang, H. X., Chshiev, M., Valet, T., Fert, A., & Otani, Y. (2012) · Physical Review Letters · doi:10.1103/physrevlett.109.156602 · Cited by 326
Terahertz Antiferromagnetic Spin Hall Nano-Oscillator
Cheng, R., Xiao, D., & Brataas, A. (2016) · Physical Review Letters · doi:10.1103/physrevlett.116.207603 · Cited by 308
Metadata
- Authors
- Liu, L., Lee, O. J., Gudmundsen, T. J., Ralph, D. C., & Buhrman, R. A.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2012-08-29
- Volume
- 109
- Issue
- 9
- Pages
- 096602-096602
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1505400302
- Cited by
- 1,854
- References
- 2
- FWCI
- 35.23
- Type
- journal article
- Language
- en
- Open access
- green
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- Liu, L., Lee, O. J., Gudmundsen, T. J., Ralph, D. C., & Buhrman, R. A. (2012). Current-Induced Switching of Perpendicularly Magnetized Magnetic Layers Using Spin Torque from the Spin Hall Effect. Physical Review Letters. https://doi.org/10.1103/physrevlett.109.096602
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