Fig. 3: Electrical tunable anisotropic magnon transport and theoretical simulation. | Nature Communications

Fig. 3: Electrical tunable anisotropic magnon transport and theoretical simulation.

From: Giant electrically tunable magnon transport anisotropy in a van der Waals antiferromagnetic insulator

Fig. 3: Electrical tunable anisotropic magnon transport and theoretical simulation.The alternative text for this image may have been generated using AI.

a Experimental and simulated \({V}_{2\omega,0}\) vs. \({I}_{{gate}}\) curves at \({{{{{\bf{B}}}}}}=4{{{{{\rm{T}}}}}}\), \({I}_{{in}}=60\,\mu A\) and T = 2 K. Red and blue points show magnon transport signals taken along the <010> (Device-S) and <100> (Device-W) directions of the CrPS4 crystal, respectively. Red and blue solid curves are respective simulations for Device-S and Device-W. b Left panel: The dispersions relation of spin waves along high symmetry directions of the CrPS4 crystal under an in-plane magnetic field of 4 T. Upper right and lower right panels: Cartoons schematics of the spin precession of each mode. Middle right panel: Illustration of the high symmetry directions in the Brillouin zone of Cr monoclinic lattice in CrPS4. c Experimental data (dots) and simulation (solid line) of the anisotropy ratio \(\left|{V}_{2\omega,0}^{S}/{V}_{2\omega,0}^{W}\right|\) vs. \({I}_{{gate}}\). Inset shows the experimental \(\left|{V}_{2\omega,0}^{S}/{V}_{2\omega,0}^{W}\right|\) vs. \({I}_{{gate}}\) from another device.

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