Efficient Magnetization Reversal with Noisy Currents

Details Efficient Magnetization Reversal with Noisy Currents Efficient Magnetization Reversal with Noisy Currents

2005-11-14

arxiv.org/abs/cond-mat/0511319v1

Phys. Rev. Lett. 96, 127203 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.96.127203

We propose to accelerate reversal of the ferromagnetic order parameter in spin valves by electronic noise. By solving the stochastic equations of motion we show that the current-induced magnetization switching time is drastically reduced by a modest level of externally generated current (voltage) noise. This also leads to a significantly lower power consumption for the switching process.

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