Anomalous magnetoresistance of magnetic multilayers

R. Seviour, S. Sanvito, C. J. Lambert, J. H. Jefferson

Research output: Contribution to journalLetterpeer-review


We examine transport properties of a magnetic superlattice with current perpendicular to the planes. In the limit that the phase-breaking and spin flip scattering lengths are greater than the system size, a multiple-scattering approach is used to calculate the 4-probe conductance. We show that by tuning the strength of tunnelling barriers placed between the current and voltage probes magnetoresistance ratios of arbitrary strength and sign are achievable.

Original languageEnglish
Pages (from-to)L621-L626
Number of pages6
JournalJournal of Physics Condensed Matter
Issue number39
Publication statusPublished - 2 Oct 2000
Externally publishedYes


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