Current-induced reversal in magnetic nanopillars passivated by silicon

Details Current-induced reversal in magnetic nanopillars passivated by silicon Current-induced reversal in magnetic nanopillars passivated by silicon

2008-12-07

arxiv.org/abs/0812.1381v1

Physics

Condensed Matter

Materials Science

3 pages, 4 figures

Scientific paper

10.1063/1.3086662

We demonstrate that magnetic multilayer nanopillars can be efficiently protected from oxidation by coating with silicon. Both the protected and the oxidized nanopillars exhibit an increase of reversal current at cryogenic temperatures. However the magnetic excitation onset current increases only in the oxidized samples. We show that oxidized nanopillars exhibit anomalous switching statistics at low temperature, providing a simple test for the quality of magnetic nanodevices.

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