Publikation: Detection of current-induced resonance of geometrically confined domain walls
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2007
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Physical Review Letters. 2007, 99, 146601. Available under: doi: 10.1103/PhysRevLett.99.146601
Zusammenfassung
Magnetic domain walls are found to exhibit quasiparticle behavior when subjected to geometrical variations. Because of the spin torque effect such a quasiparticle in a potential well is excited by an ac current leading to a dip in the depinning field at resonance for current densities as low as 2 x 10 power 10 A/m power 2. Independently the resonance frequencies of transverse walls and vortex walls are determined from the dc voltage that develops due to a rectifying effect of the resonant domain wall oscillation. The dependence on the injected current density reveals a strongly nonharmonic oscillation.
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BEDAU, Daniel, Mathias KLÄUI, Stephen KRZYK, Ulrich RÜDIGER, Giancarlo FAINI, Laurent VILA, 2007. Detection of current-induced resonance of geometrically confined domain walls. In: Physical Review Letters. 2007, 99, 146601. Available under: doi: 10.1103/PhysRevLett.99.146601BibTex
@article{Bedau2007Detec-4792,
year={2007},
doi={10.1103/PhysRevLett.99.146601},
title={Detection of current-induced resonance of geometrically confined domain walls},
volume={99},
journal={Physical Review Letters},
author={Bedau, Daniel and Kläui, Mathias and Krzyk, Stephen and Rüdiger, Ulrich and Faini, Giancarlo and Vila, Laurent},
note={Article Number: 146601}
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