Current-driven domain wall motion along high perpendicular anisotropy multilayers: The role of the Rashba field, the spin Hall effect, and the Dzyaloshinskii-Moriya interaction

Author(s)
Martinez, Eduardo; Emori, Satoru; Beach, Geoffrey Stephen
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Abstract
The current-induced domain wall motion along a thin cobalt ferromagnetic strip sandwiched in a multilayer (Pt/Co/AlO) is theoretically studied with emphasis on the roles of the Rashba field, the spin Hall effect, and the Dzyaloshinskii-Moriya interaction. The results point out that these ingredients, originated from the spin-orbit coupling, are consistent with recent experimental observations in three different scenarios. With the aim of clarifying which is the most plausible the influence of in-plane longitudinal and transversal fields is evaluated.
Date issued
2013-08
URI
http://hdl.handle.net/1721.1/111660
Department
Massachusetts Institute of Technology. Department of Materials Science and Engineering
Journal
Applied Physics Letters
Publisher
AIP Publishing
Citation
Martinez, Eduardo et al. “Current-Driven Domain Wall Motion Along High Perpendicular Anisotropy Multilayers: The Role of the Rashba Field, the Spin Hall Effect, and the Dzyaloshinskii-Moriya Interaction.” Applied Physics Letters 103, 7 (August 2013): 072406 © 2013 AIP Publishing
Version: Final published version
ISSN
0003-6951
1077-3118
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