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(a and b) Magnetic field dependence of ΔM/M s evaluated from R xy (ϕ) for different currents (t = 10 nm) and YIG thicknesses (I = 4 mA). The solid lines are fits to B –γ. Inset in panel b: Zoom in the small ΔM/M s amplitude range. Data for 15, 30, 50, and 100 nm are scaled to account for changes in the interface quality relative to 10-nm YIG (Section S4). (c) γ values extracted from data fits at different currents and thicknesses.
