Article comprising magnetoresistive material

Details Article comprising magnetoresistive material Article comprising magnetoresistive material

1997-06-05

1999-01-05

Killiman, Leszek

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

428403, 428404, 428692, 428694R, 428694T, 428900, 427127, 427128, 427129, 427130, 360113, 338 32R, 324252, 252 6251, G11B 566, B32B 516

Patent

active

058560084

ABSTRACT:
An article that uses a magnetoresistive material comprising one or more CrO.sub.2 grains having an insulating material, advantageously Cr.sub.2 O.sub.3, along at least a portion of the grain boundary or boundaries, the magnetoresistive article advantageously exhibiting a magnetoresistance ratio greater than 12% at 5K and 20 kOe.

REFERENCES:
patent: 5422571 (1995-06-01), Gurney et al.
patent: 5423373 (1995-06-01), Johnson
patent: 5450372 (1995-09-01), Jin et al.
patent: 5461308 (1995-10-01), Jin et al.
patent: 5538800 (1996-07-01), Jin et al.
patent: 5541868 (1996-07-01), Prinz
patent: 5549977 (1996-08-01), Jin et al.
patent: 5565695 (1996-10-01), Johnson
patent: 5569544 (1996-10-01), Daughton
"Spin Polarization of Electrons Tunneling from Films of Fe, Co, Nii and Gd", by Tedrow, P.M. et al., Physical Review B, vol. 7, No. 1, pp. 318-326 (Jan. 1, 1973).
"Theory of Tunneling Magnetoresistance in Granular Magnetic Films", by Inoue, J. et al., Physical Review B, vol. 53, No. 18, pp. 927-929 (May 1, 1996).
"Spin Polarized Tunneling in Ferromagnet/Insulator/Ferromagnet Junctions," by Miyazaki, T. et al., Journal of Magnetism and Magnetic Materials, 151, pp. 403-410 (1995).
"Large Magnetoreistance at Room Temperature in Ferromagnetic Thin Film Tunnel Junctions", by Moodera, J. S. et al., Physical Review Letters, vol. 74, No. 16, pp. 3273-3276.
"Observation of Large Low-Field Magnetoresistance in Trilayer Perpendicular Transport Devices Made Using Doped Manganate Perovskites", by Sun, J. Z. et al., Appl. Phys. Lett., 69 (21), pp. 3266-3268 (Nov. 18, 1996).
"Spin-Dependent Electronic Transport in Granular Ferromagnets", by Milner, A. et al., Physical Review Letters, vol. 76, No. 3, pp. 475-478 (Jan. 15, 1996).
"Tunneling of Spin-Polarized Electrons and Magnetoresistance in Granular Ni Films", by Helman, J. S., Physical Review Letters, vol. 37, No. 21, pp. 1429-1432 (Nov. 22, 1976).
"Grain-Boundary Effects on the Magnetoresistance Properties of Perovskite Manganite Films", by Gupta, A. et al., Physical Review B, vol. 54, No. 22, pp. 629-632 (Dec. 1, 1996).
"Spin-Polarized Electron Tunneling", by Meservey, R. et al., Physics Reports, vol. 238, No. 4, pp. 175-243 (Mar. 1994).
"Spin-Polarized Intergrain Tunneling in La.sub.2/3 Sr.sub.1/3 MnO.sub.3 ", by Hwang H. Y. et al., Physical Review Letters, vol. 77, No. 10, pp. 2041-2044 (Sep. 2, 1996).
Lattice Effects on the Magnetoresistance in Doped LaMnO.sub.2, by Hwang, H. Y. et al., Physical Review Letters, vol. 75, No. 5, pp. 914-917 (Jul. 31, 1995).
U.S. application Ser. No. 08/663,851 filed Sep. 14, 1995 (not attached).

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