Current-driven vortex oscillations in metallic nanocontacts

Details Current-driven vortex oscillations in metallic nanocontacts Current-driven vortex oscillations in metallic nanocontacts

2007-10-30

arxiv.org/abs/0710.5680v1

Physics

Condensed Matter

Materials Science

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.100.257201

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.

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