Title

Detection of Spin-orbit Torque with Spin Rotation Symmetry

Document Type

Article

Publication Date

1-6-2020

Compass Link

https://du-primo.hosted.exlibrisgroup.com/permalink/f/1jii0mc/TN_cdi_crossref_primary_10_1063_1_5129548

Organizational Units

College of Natual Science and Mathematics, Physics and Astronomy

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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