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Dynamic excitations of nanomagnet magnetization driven by spin-polarized current

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5 Author(s)

A current of spin-polarized electrons injected into a metallic nanomagnet exerts torque on the magnetization and may excite magnetization autooscillations. The aim of present work is to study spectral and transient properties of such excitations. We study current-driven excitations in a permalloy (Py) elliptical nanomagnet. We also make time-resolved measurements of the ac voltage generated by the current-driven excitations using a storage oscilloscope.

Published in:

Magnetics Conference, 2006. INTERMAG 2006. IEEE International

Date of Conference:

8-12 May 2006