Magnetoresistive device and magnetoresistive head

Details Magnetoresistive device and magnetoresistive head Magnetoresistive device and magnetoresistive head

1997-02-19

1999-06-01

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 539

Patent

active

059093455

ABSTRACT:
A magnetoresistive device of the present invention includes: a soft magnetic layer; a hard magnetic layer; a non-magnetic layer formed between the soft magnetic layer and the hard magnetic layer; and an interface magnetic layer, provided at an interface between the soft magnetic layer and the non-magnetic layer, for enhancing magnetic scattering, wherein the soft magnetic layer includes an amorphous structure.

REFERENCES:
patent: 5673162 (1997-09-01), Saito
H. Sakakima et al.; Journal of Magnetism and Magnetic Materials 165; (1997); pp. 108-110; "Magnetoresistance in CoMnB/Co(Fe)/Cu/Co(Fe) Spin-Valves".
M.N. Baibich et al., Physical Review Letters, vol. 61, pp. 2472-2475, 1988, "Giant Magnetoresistance of (001) Fe/(001)Cr Magnetic Superlattices".
S.S.P. Parkin et al., Physical Review Letters, vol. 64, pp. 2304-2307, 1990, "Oscillations in Exchange Coupling and Magnetoresistance in Metallic Superlattice Structure: Co/Ru, Co/Cr, and Fe/Cr".
T. Shinjo et al., Journal of the Physical Society of Japan, vol. 59, No. 9, pp. 3061-3064, 1990, "Large Magnetoresistance of Field-Induced Giant Ferrimagnetic Multilayers".
M. Satomi et al., Technical Report by the Institute of Electronics, Information and Communication Engineers of Japan, 1991. (With Partial English Translation).
B. Dieny et al., Journal of Magnetism and Magnetic Materials 93, pp. 101-104, 1991, "Spin-Valve Effect in Soft Ferromagnetic Sandwiches."
M. Jimbo et al., Japanese Journal of Applied Physics, vol. 34, pp. L112-L114, 1995, "Giant Magnetoresistance Effect in Amorphous CoFeB Sandwiches."

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