Abstract

This is a simultaneous, but separate, detection of the spin Hall magnetoresistance and the spin Seebeck effect in Pt and Ta on YIG, by using a lock-in detection technique. In this way, the authors observe the dynamic behavior of the magnetization of the YIG, when applying low magnetic fields and high ac currents, i.e., in the regime where the system can be influenced by spin-transfer torques. They identify a new type of signal, present for small values of magnetic field, and demonstrate that this is due to changes in the spin Hall magnetoresistance signal caused by the Oersted-field-induced motion of the magnetic material.

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