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Magnetism and Magnetoresistance of Multilayers with Two Magnetic Components. I. Cu-Based Films

Published online by Cambridge University Press:  26 February 2011

H. Yamamoto ,
T. Okuyama ,
H. Dohnomae  and
T. Shinjo
H. Yamamoto
Affiliation:
Institute for Chemical Research, Kyoto University, Uji, Kyoto-fu 611, Japan
T. Okuyama
Affiliation:
Institute for Chemical Research, Kyoto University, Uji, Kyoto-fu 611, Japan
H. Dohnomae
Affiliation:
Institute for Chemical Research, Kyoto University, Uji, Kyoto-fu 611, Japan
T. Shinjo
Affiliation:
Institute for Chemical Research, Kyoto University, Uji, Kyoto-fu 611, Japan
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Abstract

Magnetoresistance (MR) properties were studied in Cu/Co/Cu/Ni80Fe20 system, and a large MR ratio was observed in weak external fields. In the course of field sweeping, these two magnetic components (Co and Ni(Fe)) are oriented antiparallel, because of the difference of coercive forces, and then the resistivity is greatly enhanced. The MR ratio was observed to be 10% at 300K, and 32% at 20K, respectively, in a multilayer \Cu(55Å)/ Co(25Å)/Cu(55Å)/Ni80Fe20(25Å)] ×15.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 231: Symposium S – Magnetic Surfaces, Thin Films and Multilayers , 1991 , 217
Copyright
Copyright © Materials Research Society 1992

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References

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