Effect of spin diffusion on spin torque in magnetic nanopillars

Details Effect of spin diffusion on spin torque in magnetic nanopillars Effect of spin diffusion on spin torque in magnetic nanopillars

2008-05-18

arxiv.org/abs/0805.2706v1

Physics

Condensed Matter

Materials Science

4 pages, 5 figures

Scientific paper

10.1103/PhysRevB.78.172403

We present systematic magnetoelectronic measurements of magnetic nanopillars with different structures of polarizing magnetic layers. The magnetic reversal at small magnetic field, the onset of magnetic dynamics at larger field, and the magnetoresistance exhibit a significant dependence on the type of the polarizing layer. We performed detailed quantitative modeling showing that the differences can be explained by the effects of spin-dependent electron diffusion.

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