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Fast current-induced motion of a transverse domain wall induced by interfacial Dzyaloshinskii-Moriya interaction
- Authors
- Lee, Seo-Won; Park, Byong-Guk; Lee, Kyung-Jin
- Issue Date
- 10월-2015
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Dzyaloshinskii-Moriya interaction; Domain wall motion; Spin-orbit spin transfer torque
- Citation
- CURRENT APPLIED PHYSICS, v.15, no.10, pp.1139 - 1142
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- CURRENT APPLIED PHYSICS
- Volume
- 15
- Number
- 10
- Start Page
- 1139
- End Page
- 1142
- ISSN
- 1567-1739
- Abstract
- Based on a theoretical study, we show that the interfacial Dzyaloshinskii-Moriya interaction results in very efficient current-induced manipulation of a transverse domain wall in magnetic nanowires. The efficient domain wall motion is caused by combined effects of the domain wall distortion induced by the interfacial Dzyaloshinskii-Moriya interaction and the damping-like spin-orbit spin transfer torque. We find that with reasonable parameters, the domain wall velocity reaches a few hundreds m/s at the current density of 10(7) A/cm(2), which has never been achieved before. Our result will be beneficial for low-power operation of domain wall devices. (C) 2015 Elsevier B.V. All rights reserved.
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