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Unified Semi-Classical Theory of Parallel and Perpendicular Giant Magnetoresistance in Superlattices

Published online by Cambridge University Press:  15 February 2011

V.V. Ustinov  and
E.A. Kravtsov
V.V. Ustinov
Affiliation:
Institute of Metal Physics, GSP- 170, Ekaterinburg, 620219, Russia
E.A. Kravtsov
Affiliation:
Institute of Metal Physics, GSP- 170, Ekaterinburg, 620219, Russia
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Abstract

The giant magnetoresistance in magnetic superlattices for the current perpendicular to and in the layer planes is studied within a unified semi-classical approach that is based on the Boltzman equation with exact boundary conditions for the spin-dependent distribution functions of conduction electrons. We show that the main differences between the in-plane and perpendicular-to-plane magnetoresistance result from the fact that they originate from different interface processes responsible for spin-dependent scattering. A correlation between the giant magnetoresistance and the superlattice magnetization is also discussed and it is shown that its study has much potential for yielding information about properties of spin-dependent scattering in magnetic superlattices.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 384: Symposium L – Magnetic Ultrathin films, Multilayers and Surfaces , 1995 , 311
Copyright
Copyright © Materials Research Society 1995

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References

REFERENCES

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