The interactions between antiferromagnetic moments and spin currents owing to topological surface states are observed as a combination of magnetoresistance effects and current-induced switching of the magnetic moments. These observations suggest that topological surface states could provide a tool for reading and writing antiferromagnetic memories with ultralow energy consumption.
This is a preview of subscription content, access via your institution
Access options
Access Nature and 54 other Nature Portfolio journals
Get Nature+, our best-value online-access subscription
$29.99 / 30 days
cancel any time
Subscribe to this journal
Receive 12 digital issues and online access to articles
$119.00 per year
only $9.92 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
References
Šmejkal, L., Mokrousov, Y., Yan, B. & MacDonald, A. H. Topological antiferromagnetic spintronics. Nat. Phys. 14, 242–251 (2018). A review of topological AFM spintronics.
Chen, X. et al. Antidamping-torque-induced switching in biaxial antiferromagnetic insulators. Phys. Rev. Lett. 120, 207204 (2018). This paper reports spin Hall torque switching of AFM moments in heavy metal/AFMI bilayers.
Cheng, Y., Yu, S., Hwang, J. & Yang, F. Electrical switching of tristate antiferromagnetic Néel order in α-Fe2O3 epitaxial films. Phys. Rev. Lett. 124, 027202 (2020). This paper reports spin Hall torque-induced tristate switching of α-Fe2O3.
Zhang, P., Finley, J., Safi, T. & Liu, L. Quantitative study on current-induced effect in an antiferromagnet insulator/Pt bilayer film. Phys. Rev. Lett. 123, 247206 (2019). This paper discusses the role of thermal elastic strain in AFM moment switching.
Tsai, H. et al. Electrical manipulation of a topological antiferromagnetic state. Nature 580, 608–613 (2020). This work reports the spin–orbit torque switching of a non-collinear antiferromagnet.
Additional information
Publisher’s note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
This is a summary of: Chen, X. et al. Control of spin current and antiferromagnetic moments via topological surface state. Nat. Electron. https://doi.org/10.1038/s41928-022-00825-8 (2022).
Rights and permissions
About this article
Cite this article
Controlling antiferromagnetic moments with spin currents has low power requirements. Nat Electron 5, 549–550 (2022). https://doi.org/10.1038/s41928-022-00826-7
Published:
Issue Date:
DOI: https://doi.org/10.1038/s41928-022-00826-7
