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Titolo:
MAGNETIC COUPLING OF CO LAYERS THROUGH A CU SPACER LAYER
Autore:
ZIMMERMANN T; ZWECK J; HOFFMANN H;
Indirizzi:
UNIV REGENSBURG,INST ANGEW PHYS 3,NFW 2 D-93040 REGENSBURG GERMANY
Titolo Testata:
Journal of magnetism and magnetic materials
fascicolo: 3, volume: 149, anno: 1995,
pagine: 409 - 417
SICI:
0304-8853(1995)149:3<409:MCOCLT>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
GIANT MAGNETORESISTANCE; CO/CU MULTILAYERS; FILMS; PERMALLOY; EXCHANGE; WALLS;
Tipo documento:
Note
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
19
Recensione:
Indirizzi per estratti:
Citazione:
T. Zimmermann et al., "MAGNETIC COUPLING OF CO LAYERS THROUGH A CU SPACER LAYER", Journal of magnetism and magnetic materials, 149(3), 1995, pp. 409-417

Abstract

In this paper we present results of investigations of the magnetic coupling of Co layers through a Cu spacer layer. These were obtained by examining Co/Cu/Co sandwich layers by Lorentz microscopy in the Fresnel and Foucault imaging mode. Ferromagnetic (F) and antiferromagnetic (AF) coupling of the magnetic Co layers can be found for different Cu spacer layer thicknesses. For the F coupled sandwich layer twin walls have been observed and the Co layers are only F coupled throughout the specimen. For the mainly AF coupled sandwich layer we observed a partial F and AF coupling of the Co layers which can be explained by thickness fluctuations of the Cu interlayer. Although we have to expect thickness fluctuations of the Co spacer layer in the F and the mainly AF coupled system, we only observe partial F and AF coupling for the mainly AF coupled system and not for the F coupled system. Therefore AF coupling is much more sensitive to thickness fluctuations than F coupling.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/09/20 alle ore 20:25:57