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SPINTRONICS

Switching magnetization with a Weyl semimetal

Energy-efficient magnetization manipulation is a prerequisite for competitive spintronic devices. The Weyl semimetal WTe2 can act as a spin current source that enables magnetization switching of an adjacent ferromagnet at low power consumption and additionally induces chiral magnetism.

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Fig. 1: Charge-to-spin current conversion for spin–orbit torques.

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Correspondence to Marcos H. D. Guimarães.

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Guimarães, M.H.D. Switching magnetization with a Weyl semimetal. Nat. Nanotechnol. 14, 923–924 (2019). https://doi.org/10.1038/s41565-019-0541-8

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