Anisotropic low-field giant magnetoresistance in [NiFeCo/Cu] multilayers

[NiFeCo(3 nm)/Cu(2 nm)] multilayers having in-plane uniaxial magnetic anisotropy were prepared by using a carousel type sputtering apparatus. The MR (magnetoresistance) ratio was about 8% and the MR curve along the easy axis showed a sharp split hysteresis with a very small transient field, ΔH ∼ 3...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 1995-03, Vol.145 (3), p.L268-L272
Main Authors: Sakakima, Hiroshi, Satomi, Mitsuo, Onaka, Kazuhiro, Yamamoto, Shigeru
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic properties and materials
Magnetic properties of monolayers and thin films
Magnetic properties of surface, thin films and multilayers
Physics
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Summary:[NiFeCo(3 nm)/Cu(2 nm)] multilayers having in-plane uniaxial magnetic anisotropy were prepared by using a carousel type sputtering apparatus. The MR (magnetoresistance) ratio was about 8% and the MR curve along the easy axis showed a sharp split hysteresis with a very small transient field, ΔH ∼ 3 Oe, though the switching is irreversible. The experimental results are discussed by using magnetic phase diagrams calculated by Dieny et al. (1990) and Folkerts (1991).
ISSN:0304-8853
DOI:10.1016/0304-8853(94)01652-6