Title
Detection of Spin-orbit Torque with Spin Rotation Symmetry
Publication Date
1-6-2020
Document Type
Article
Organizational Units
Physics and Astronomy
Keywords
Spin-orbit interactions, Ferromagnetic resonance, Magnetooptical effects, Spin Hall effect
Abstract
It has been recently demonstrated that spin–orbit coupling in ferromagnetic metals can generate spin current with symmetries different from the conventional spin Hall effect in nonmagnetic metals. The generated spin current can induce a spin–orbit torque on a neighboring magnetic layer with spin rotation symmetry. In this paper, we introduce a set of tools to measure this effect in a perpendicularly magnetized film, by using the second-order planar Hall effect method and spin-torque ferromagnetic resonance spectroscopy. These results are comparable to those detected by the polar magneto-optic Kerr effect technique.
Publication Statement
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Recommended Citation
Wang, Tao, et al. “Detection of Spin-Orbit Torque with Spin Rotation Symmetry.” Applied Physics Letters, vol. 116, no. 1, 2020, p. 12404. doi: 10.1063/1.5129548.