Microstructure and magnetic property of Co/Cu multilayers

Co/Cu multilayers consisting of 120 bilayers, [Co(3.5 /spl Aring/)/Cu(t)]/sub 120/ with t=15.8 /spl Aring/ and 18.3 /spl Aring/, were fabricated on glass substrates by dc magnetron sputtering, and their magnetic properties were investigated. The Co layers in a multilayer are found to be an aggregate...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1999-09, Vol.35 (5), p.3097-3099
Main Authors: Kim, P.D., Song, J.H., Turpanov, I.A., Komogortsev, S.V., Semenov, L.I., Karpenko, M.M., Jeong, Y.H.
Format: Article
Language:English
Subjects:
Aggregates
COBALT
Cobalt alloys
COPPER
Copper alloys
EXPERIMENTAL DATA
FERROMAGNETISM
Glass
Iron alloys
LAYERS
Magnetic multilayers
MAGNETIC PROPERTIES
MATERIALS SCIENCE
MICROSTRUCTURE
Sputtering
Stochastic processes
THICKNESS
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Summary:Co/Cu multilayers consisting of 120 bilayers, [Co(3.5 /spl Aring/)/Cu(t)]/sub 120/ with t=15.8 /spl Aring/ and 18.3 /spl Aring/, were fabricated on glass substrates by dc magnetron sputtering, and their magnetic properties were investigated. The Co layers in a multilayer are found to be an aggregate of ferromagnetic and superparamagnetic Co clusters dispersed in a Cu matrix. The present Co/Cu multilayers are revealed to be periodically modulated granular alloys with stochastic ferromagnetic structure.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.801096