Current-Induced Domain Wall Motion in Perpendicularly Magnetized Co/Ni Nanowire under In-Plane Magnetic Fields

Y. Yoshimura; Tomohiro Koyama; Daichi Chiba; Y. Nakatani; Shunsuke Fukami; Michihiko Yamanouchi; Hideo Ohno; Teruo Ono

doi:10.1143/apex.5.063001

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Current-Induced Domain Wall Motion in Perpendicularly Magnetized Co/Ni Nanowire under In-Plane Magnetic Fields

Y. Yoshimura Tomohiro Koyama Daichi Chiba Y. Nakatani Shunsuke Fukami Michihiko Yamanouchi Hideo Ohno Teruo Ono

Year: 2012 Journal: Applied Physics Express Vol: 5 (6)Pages: 063001-063001 Publisher: Institute of Physics

DOI: 10.1143/apex.5.063001

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Abstract

We have investigated current-induced domain wall (DW) motion in a perpendicularly magnetized Co/Ni nanowire under in-plane (hard-axis) and perpendicular (easy-axis) external magnetic fields. The DW velocity was found to be almost independent of them in the range of ±50 Oe. The result shows that reliable device operation against an external magnetic field disturbance can be achieved using the present system.

Keywords:

Perpendicular Nanowire Magnetic field Domain wall (magnetism) Condensed matter physics Current (fluid) Plane (geometry) Magnetic domain Physics Motion (physics) Materials science Nanotechnology Magnetization Classical mechanics Geometry

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Magnetic properties of thin films

Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics

Magnetic Properties and Applications

Physical Sciences → Materials Science → Electronic, Optical and Magnetic Materials

Physics of Superconductivity and Magnetism

Physical Sciences → Physics and Astronomy → Condensed Matter Physics

Current-Induced Domain Wall Motion in Perpendicularly Magnetized Co/Ni Nanowire under In-Plane Magnetic Fields

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