期刊
APPLIED PHYSICS EXPRESS
卷 7, 期 5, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.7567/APEX.7.053006
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资金
- Japan Society for the Promotion of Science (JSPS)
- Institute for Chemical Research, Kyoto University
- JSPS
- JSPS for young scientists
- Grants-in-Aid for Scientific Research [23221008] Funding Source: KAKEN
We report a systematic study of the DW motion in perpendicularly magnetized Co/Ni nanowires having different thicknesses with structure inversion asymmetry. The transition from bulk to interfacial effects is confirmed as a change in the DW motion direction at a reduced layer thickness. The bias field dependence reveals that the adiabatic spin transfer torque (STT) dominates the DW motion in the thick regime, whereas the interfacial torque originating from the spin Hall effect (SHE) is responsible for the DW motion with a fixed DW chirality induced by the Dzyaloshinskii-Moriya interaction (DMI) in the thin regime. (C) 2014 The Japan Society of Applied Physics
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