학술논문

Magnetic states of granular layered CoFe-Al/sub 2/O/sub 3/ system

Document Type

Periodical

Author

Sousa, J.B.; Kakazei, G.N.; Pogorelov, Yu.G.; Santos, J.A.M.; Petracic, O.; Kleemann, W.W.; Binek, Ch.; Cardoso, S.; Freitas, P.P.; Pereira de Azevedo, M.M.; Lesnik, N.A.; Rokhlin, M.; Wigen, P.E.

Source

IEEE Transactions on Magnetics IEEE Trans. Magn. Magnetics, IEEE Transactions on. 37(4):2200-2203 Jul, 2001

Subject

Fields, Waves and Electromagnetics
Magnetic anisotropy
Perpendicular magnetic anisotropy
Magnetic separation
Iron
Frequency measurement
Magnetic susceptibility
Temperature
Scanning probe microscopy
Glass
Anisotropic magnetoresistance

Language

ISSN

0018-9464
1941-0069

Abstract

The granular layered magnetic system Co/sub 80/Fe/sub 20/(t)/Al/sub 2/O/sub 3/ (3 nm), where the Co/sub 80/Fe/sub 20/ layers of nominal thickness t form separate, almost spherical magnetic granules of typical diameter 2-3 nm between the Al/sub 2/O/sub 3/ spacers, was studied. We discuss measurements of the dc and ac magnetic susceptibility /spl chi/ for 1 nm

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