Resistance and magnetoresistance studies in (Co/Nb) multilayers before and after ion-mixing

(Co/Nb) multilayers have been prepared by sequential deposition under UHV conditions. Resistivity and magnetoresistance were measured in the temperature range 3–300 K and in a magnetic field of 0–7.2 T. The specific resistivity ϱ is increasing with increasing temperature. The ratio ϱ(300 K)/ϱ(4.2 K)...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 1993-05, Vol.123 (1), p.147-152
Hauptverfasser:	Parizek, V., Kielar, P., Krishnan, R., Falco, C.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Condensed matter: electronic structure, electrical, magnetic, and optical properties Electrical properties of specific thin films Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Exact sciences and technology Metal and metallic alloys Metals and metallic alloys Metals. Metallurgy Physics
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Zusammenfassung:	(Co/Nb) multilayers have been prepared by sequential deposition under UHV conditions. Resistivity and magnetoresistance were measured in the temperature range 3–300 K and in a magnetic field of 0–7.2 T. The specific resistivity ϱ is increasing with increasing temperature. The ratio ϱ(300 K)/ϱ(4.2 K) decreases with an increase in the number of bi-layers. Investigations were also made on some samples subjected to ion-mixing in order to find the specific effect of the layered structure. A qualitative model has been proposed.
ISSN:	0304-8853
DOI:	10.1016/0304-8853(93)90024-V