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Anomalous magnetoresistance of magnetic multlilayers.

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>2000
<mark>Journal</mark>Journal of Physics: Condensed Matter
Pages (from-to)L621-L626
<mark>Original language</mark>English


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.