Switching spin valves using r.f. currents

Details Switching spin valves using r.f. currents Switching spin valves using r.f. currents

2005-11-21

arxiv.org/abs/cond-mat/0511498v2

Physics

Condensed Matter

Materials Science

please disregard the previous version

Scientific paper

10.1063/1.2199456

We show that magnetization reversal in spin-injection devices can be significantly faster when using a chirped r.f. rather than d.c current pulse. Alternatively one can use a simple sinusoidal r.f. pulse or an optimized series of alternating, equal-amplitude, square pulses of varying width (a digitized approximation to a chirped r.f. pulse) to produce switching using much smaller currents than with a d.c. pulse.

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