We report on the magnetization configurations in single NiFe cylindrical nanowires grown by template-assisted electrodeposition. Angular anisotropic magnetoresistance measurements reveal that a three-dimensional helical domain wall is formed naturally upon relaxation from a saturated state. Micromagnetic simulations support the helical domain wall properties and its reversal process, which involves a splitting of the clockwise and anticlockwise vortices. When a pulsed current is applied to the nanowire, the helical domain wall propagation is observed with a minimum current density needed to overcome its intrinsic pinning. © 2016 Author(s).

Chandrasekhar Murapaka

Department of Materials Science and Metallurgical Engineering

D.W. Wong

I. Purnama

G.J. Lim

W.L. Gan

W.S. Lew

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Journal of Applied Physics

Current-induced three-dimensional domain wall propagation in cylindrical NiFe nanowires

Journal	Data powered by TypesetJournal of Applied Physics
Publisher	Data powered by TypesetAmerican Institute of Physics Inc.
ISSN	00218979