Measurements reveal that the antiferromagnet ruthenium dioxide (RuO2) can generate an electric-field-induced spin current with a component of spin polarization perpendicular to the sample plane. This verifies theoretical predictions and provides a strategy for the future development of highly energy-efficient magnetic storage devices.
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Change history
20 September 2022
A Correction to this paper has been published: https://doi.org/10.1038/s41928-022-00853-4
References
Manchon, A. et al. Current-induced spin-orbit torques in ferromagnetic and antiferromagnetic systems. Rev. Mod. Phys. 91, 035004 (2019). A review article about spin–orbit torques.
MacNeill, D. et al. Control of spin–orbit torques through crystal symmetry in WTe2/ferromagnet bilayers. Nat. Phys. 13, 300–305 (2017). This paper discusses the symmetry constraints on spin–orbit torques.
González-Hernández, R. et al. Efficient electrical spin splitter based on nonrelativistic collinear antiferromagnetism. Phys. Rev. Lett. 126, 127701 (2021). The prediction of the mechanism for generating spin currents in RuO2.
Bose, A. et al. Effects of anisotropic strain on spin-orbit torque produced by the Dirac nodal line semimetal IrO2. ACS Appl. Mater. Interfaces 12, 55411–55416 (2020). The observation that only conventional-symmetry torques are measured in non-magnetic IrO2.
Berlijn, T. et al. Itinerant antiferromagnetism in RuO2. Phys. Rev. Lett. 118, 077201 (2017). This paper reports the observation of antiferromagnetism in RuO2.
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This is a summary of: Bose, A. et al. Tilted spin current generated by the collinear antiferromagnet ruthenium dioxide. Nat. Electron. https://doi.org/10.1038/s41928-022-00744-8 (2022).
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Tilted spin current generated by an antiferromagnet. Nat Electron 5, 263–264 (2022). https://doi.org/10.1038/s41928-022-00758-2
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DOI: https://doi.org/10.1038/s41928-022-00758-2
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