Spin polarization in p-bands of copper in cobalt/copper multilayers

We have sputtered copper/cobalt multilayers on kapton substrates for magnetic circular X-ray dichroism (MXD). Spectra recorded at Cu K-edge indicate a magnetic signal depending on copper thicknesses. This is experimental evidence for the magnetic polarization of copper in cobalt/copper multilayers....

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Veröffentlicht in:	Journal of magnetism and magnetic materials 1993-09, Vol.126 (1), p.251-254
Hauptverfasser:	Bobo, J.-F., Piecuch, M., Pizzini, S., Fontaine, A., Dartyge, E., Giorgetti, Ch, Baudelet, F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Interfacial magnetic properties (multilayers, magnetic quantum wells, superlattices, magnetic heterostructures) Magnetic properties and materials Magnetic properties of monolayers and thin films Magnetic properties of surface, thin films and multilayers Metals. Metallurgy Physics
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Beschreibung
Zusammenfassung:	We have sputtered copper/cobalt multilayers on kapton substrates for magnetic circular X-ray dichroism (MXD). Spectra recorded at Cu K-edge indicate a magnetic signal depending on copper thicknesses. This is experimental evidence for the magnetic polarization of copper in cobalt/copper multilayers. We present a realistic description of this effect based upon the naive RKKY theory.
ISSN:	0304-8853
DOI:	10.1016/0304-8853(93)90593-Q