Fig. 3: Field-free spin-orbit torque switching of canted GdCo moments in sample with 45^∘ canting angle (sample-45) with B_x and initial magnetic state set by a large out-of-plane magnetic field (B_z).

a Schematics for switching experiment configuration on the Hall bar device. b Spin-orbit torque switching without a symmetry breaking field on sample-45 with anomalous Hall effect resistance (R_AHE) as the readout. Clear switching of the canted moments for both initialization conditions B_set,z = 100 mT and − 100 mT is apparent with the case of B_set,z =  − 100 mT having a smaller ΔR_AHE. The start of the current pulse is denoted with a green arrow in both cases (dashed for B_set,z =  − 100 mT). c Spin-orbit torque switching of canted GdCo moment in sample-45 with initialization field of 100 mT and B_x = ± 2.5 mT. The start of the current pulse is denoted with a red arrow in both cases (dashed for B_x = 2.5 mT). d Spin-orbit torque switching of canted GdCo moment in sample-45 with initialization field of  − 100 mT and B_x = ± 2.5 mT. The start of the current pulse is denoted with a red arrow in both cases (dashed for B_x = 2.5 mT).