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Structural, magnetic and transport properties of antiferromagnetically coupled Co/Cu multilayers

TitoloStructural, magnetic and transport properties of antiferromagnetically coupled Co/Cu multilayers
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione1999
AutoriAngiolini, M., Carlotti G., Gubbiotti G., Montone Amelia, Palmieri L., Pareti L., Turilli G., and Vittori-Antisari M.
RivistaJournal of Magnetism and Magnetic Materials
Volume198
Paginazione462-464
ISSN03048853
Parole chiaveAcoustic wave velocity, Annealing, Antiferromagnetism, Brillouin scattering, cobalt, Copper, Film growth, Giant magnetoresistance (GMR), Magnetic films, Magnetization, Magnetoresistance, Multilayers, Spin waves, Thermal effects
Abstract

Structural, magnetic, and transport properties of (Co 17 angstroms/Cu21 angstroms)×20 multilayers grown by RF sputtering on Si were studied. Samples deposited on a Fe buffer layer present a regular stacking of Co and Cu layers together with a pronounced giant magnetoresistance (GMR) effect which accounts for an appreciable antiferromagnetic (AF) coupling among Co layers. Heat treatment was found to have a complex effect on GMR while it left the saturation magnetization unchanged. The effect of annealing on magnetic and elastic properties was analyzed by Brillouin light scattering (BLS). An increase of the effective magnetization, as well as an increase of the surface acoustic wave velocity, approaching the value expected for an ideal multilayer, were observed.

Note

cited By 1; Conference of Proceedings of the 1998 3rd International Symposium on Metallic Multilayers (MML-98) ; Conference Date: 14 June 1998 Through 19 June 1998; Conference Code:55229

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-0032642867&doi=10.1016%2fS0304-8853%2898%2901159-7&partnerID=40&md5=bcddd4282a2f0ff8af6c6230cf375b60
DOI10.1016/S0304-8853(98)01159-7
Citation KeyAngiolini1999462