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Magnetoresistance Of Multilayered Structures For Currents Perpendicular To The Plane Of The Layers, Horacio E. Camblong
Magnetoresistance Of Multilayered Structures For Currents Perpendicular To The Plane Of The Layers, Horacio E. Camblong
Physics and Astronomy
While most transport measurements on multilayered structures have been done for currents in the plane of the layers, there is an emerging interest in the geometry where the currents are perpendicular to the plane of the layers. We discuss the field and current patterns in these two cases. For the latter, the elastic mean free path is not a relevant length scale; rather, it is the spin-flip mean free path that is important. In the case of currents perpendicular to the plane of the layers, one must distinguish between models which allow spin mixing of the currents and those in …
Magnetic Multilayers: Quasiclassical Transport Via The Kubo Formula, Horacio E. Camblong
Magnetic Multilayers: Quasiclassical Transport Via The Kubo Formula, Horacio E. Camblong
Physics and Astronomy
A real‐space quantum approach, based on the Kubo formula, is used to describe the quasiclassical transport behavior of metallic multilayers. We emphasize the differences between the cases of current in the plane of the layers, for which size effects play a dominant role and current perpendicular to the planes, for which we provide several proofs that the so‐called series resistor model holds for all length scales.