Current-driven vortex oscillations in metallic nanocontacts

We present experimental evidence of sub-GHz spin-transfer oscillations in metallic nano-contacts that are due to the translational motion of a magnetic vortex. The vortex is shown to execute large-amplitude orbital motion outside the contact region. Good agreement with analytical theory and micromag...

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Bibliographic Details
Main Authors:	Mistral, Q, van Kampen, M, Hrkac, G, Kim, Joo-Von, Devolder, T, Crozat, P, Chappert, C, Lagae, L, Schrefl, T
Format:	Journal Article
Language:	English
Published:	30-10-2007
Subjects:	Physics - Materials Science
Online Access:	Get full text
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Summary:	We present experimental evidence of sub-GHz spin-transfer oscillations in metallic nano-contacts that are due to the translational motion of a magnetic vortex. The vortex is shown to execute large-amplitude orbital motion outside the contact region. Good agreement with analytical theory and micromagnetics simulations is found.
DOI:	10.48550/arxiv.0710.5680