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. 2004 Feb 27;92(8):088302.
doi: 10.1103/PhysRevLett.92.088302. Epub 2004 Feb 26.

Time-resolved reversal of spin-transfer switching in a nanomagnet

R H Koch  1 , J A Katine, J Z Sun
Affiliations

Time-resolved reversal of spin-transfer switching in a nanomagnet

R H Koch et al. Phys Rev Lett. .

Abstract

Time-resolved measurements of spin-transfer-induced (STI) magnetization reversal were made in current-perpendicular spin-valve nanomagnetic junctions subject to a pulsed current bias. These results can be understood within the framework of a Landau-Lifshitz-Gilbert equation that includes STI corrections and a Langevin random field for finite temperature. Comparison of these measurements with model calculations demonstrates that spin-transfer induced excitation is responsible for the observed magnetic reversal in these samples.

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