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Quantum materials

Berry does both

Local magnetometry measurements on a magnetic Chern insulator suggest that the Berry curvature of the topological band — responsible for the intrinsic magnetism — also enables ultra-low current switching of the magnetization.

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Fig. 1: Spin Hall effect and spin Hall torques in two-dimensional materials.


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Correspondence to Yonglong Xie.

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Xie, Y. Berry does both. Nat. Phys. 19, 766–767 (2023).

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