Long-period oscillatory exchange coupling in Co/CuNi multilayers

We have investigated the oscillatory exchange coupling for a series of a Co/Cu-Ni multilayer system. For (110) oriented multilayers, the oscillation period increases rapidly with increasing Ni concentration, which can be understood by the singularity at the neck orbit of the spacer Fermi surface. Th...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 1993-09, Vol.126 (1), p.403-405
Hauptverfasser:	Okuno, S.N., Inomata, K.
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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Zusammenfassung:	We have investigated the oscillatory exchange coupling for a series of a Co/Cu-Ni multilayer system. For (110) oriented multilayers, the oscillation period increases rapidly with increasing Ni concentration, which can be understood by the singularity at the neck orbit of the spacer Fermi surface. The first peak position shifts toward thicker spacer thickness with Ni concentration.
ISSN:	0304-8853
DOI:	10.1016/0304-8853(93)90638-I