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. 2023 Aug 24;14:5173. doi: 10.1038/s41467-023-40714-y

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© The Author(s) 2023

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Fig. 2 — a Geometric structure diagram of SOT switching in Bi₂Te₃/FGT heterostructure. The effective spin–orbit field (H_so) exerts a spin torque (τ_SOT) for magnetization switching. b, c Current-induced magnetic switching at 200 K with different in-plane magnetic fields, showing the opposite SOT switching chirality when reversing the magnetic field. d Phase diagram for SOT switching in different writing currents and in-plane magnetic fields at 190 K, 200 K, and 210 K.