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Room-Temperature, Current-Induced Magnetization Self-Switching in A Van Der Waals Ferromagnet
Hongrui Zhang1,2, Xiang Chen2,3, Tianye Wang3
1Department of Materials Science and Engineering, University of California, Berkeley, CA, 94720, USA.
Abstract:
2D layered materials with broken inversion symmetry are being extensively pursued as spin source layers to realize high-efficiency magnetic switching. Such low-symmetry layered systems are, however, scarce. In addition, most layered magnets with perpendicular magnetic anisotropy show a low Curie temperature. Here, the experimental observation of spin-orbit torque magnetization self-switching at room temperature in a layered polar ferromagnetic metal, Fe2.5 Co2.5 GeTe2 is reported. The spin-orbit torque is generated from the broken inversion symmetry along the c-axis of the crystal. These results provide a direct pathway toward applicable 2D spintronic devices.
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