Current perpendicular to plane Giant Magnetoresistance (GMR) in laminated nanostructures

Details Current perpendicular to plane Giant Magnetoresistance (GMR) in laminated nanostructures Current perpendicular to plane Giant Magnetoresistance (GMR) in laminated nanostructures

2004-11-23

arxiv.org/abs/cond-mat/0411571v1

Physics

Condensed Matter

Materials Science

4 pages, 2 figures

Scientific paper

10.1016/j.jmmm.2004.11.361

We theoretically studied spin dependent electron transport perpendicular-to-plain (CPP) in magnetic laminated multilayered structures by using Kubo formalism. We took into account not only bulk scattering, but the interface resistance due to both specular and diffuse reflection and also spin conserving and spin-flip processes. It was shown that spin-flip scattering at interfaces substantially reduces the value of GMR. This can explain the experimental observations that the CPP GMR ratio for laminated structures only slightly increases as compared to non-laminated ones despite lamination induces a significant increase in CPP resistance.

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