Enhanced giant magneto-resistance in spin-valves sandwiched between insulating NiO

H.J.M. Swagten, G.J. Strijkers, P.J.H. Bloemen, M.M.H. Willekens, W.J.M. Jonge, de

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Abstract

We have investigated the giant magnetoresistance of artificial structures containing metallic Co/Cu/Co and Ni80Fe20/Cu/Ni80Fe20 spin-valves confined within insulating antiferromagnetic NiO layers. The observed enhanced magnetoresistance as compared to conventional all-metal spin-valves is interpreted with a semiclassical approach in which specular reflections at the metal/insulator barrier are included.
Original languageEnglish
Pages (from-to)9108-9114
Number of pages7
JournalPhysical Review B: Condensed Matter
Volume53
Issue number14
DOIs
Publication statusPublished - 1996

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