Journal
APPLIED PHYSICS EXPRESS
Volume 6, Issue 3, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.7567/APEX.6.033001
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Funding
- Japan Society for the Promotion of Science (JSPS)
- Collaborative Research Program of the Institute for Chemical Research, Kyoto University
- Grants-in-Aid for Scientific Research [23221008] Funding Source: KAKEN
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The authors have investigated the current-induced magnetic domain wall (DW) motion in perpendicularly magnetized Co/Ni nanowire with structural inversion asymmetry (SIA). In this system, DW motion to the direction of electric current flow, not electron flow, and high DW velocity up to 110 m/s were confirmed, which have never been observed in Co/Ni systems without SIA. In addition, we found that the DW velocity showed a strong dependence on the perpendicular magnetic field in the range of +/- 100 Oe. These results suggest that DW in the Co/Ni nanowire with SIA moves in the steady mode, not in the precessional mode. (C) 2013 The Japan Society of Applied Physics
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