Velocity of vortex walls moved by current | Zendy

PierreOlivier Jubert | Zendy; Mathias Kläui | Zendy; Andreas Bischof | Zendy; U. Rüdiger | Zendy; R. Allenspach | Zendy

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Velocity of vortex walls moved by current

Author(s) -

PierreOlivier Jubert,

Mathias Kläui,

Andreas Bischof,

U. Rüdiger,

R. Allenspach

Publication year - 2006

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.2177421

Subject(s) - current (fluid) , domain wall (magnetism) , vortex , position (finance) , physics , mechanics , materials science , pulse (music) , optics , condensed matter physics , thermodynamics , magnetic field , magnetization , finance , quantum mechanics , detector , economics

Current-induced domain-wall motion experiments in 27nm thick and 200–500nm wide Fe20Ni80 wires are reported. By imaging the domain-wall position after current injections, the mean wall velocities are determined. The initial velocity is found to be constant for pulse lengths between 2 and 25μs but decays after about ten injections. For samples with an increasing wire width the initial velocity is reduced.

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