Unidirectional magnetic coupling

H.Y. Yuan (Corresponding author), R. Lavrijsen, R.A. Duine

Research output: Contribution to journalArticleAcademic

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We show that interlayer Dzyaloshinskii-Moriya interaction in combination with non-local Gilbert damping gives rise to unidirectional magnetic coupling. That is, the coupling between two magnetic layers -- say the left and right layer -- is such that dynamics of the left layer leads to dynamics of the right layer, but not vice versa. We discuss the implications of this result for the magnetic susceptibility of a magnetic bilayer, electrically-actuated spin-current transmission, and unidirectional spin-wave packet generation and propagation. Our results may enable a route towards spin-current and spin-wave diodes and further pave the way to design spintronic devices via reservoir engineering.
Original languageEnglish
Article number2209.14179
Number of pages6
Publication statusPublished - 28 Sept 2022


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