Phys. Rev. Lett. 92, 088302 (2004) [4 pages]Time-Resolved Reversal of Spin-Transfer Switching in a NanomagnetReceived 12 June 2003; published 26 February 2004 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. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.92.088302
DOI:
10.1103/PhysRevLett.92.088302
PACS:
85.70.Kh, 73.63.–b, 75.40.Gb, 85.75.–d
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