R Seviour et al 2000 J. Phys.: Condens. Matter 12 L621 doi:10.1088/0953-8984/12/39/102
Anomalous magnetoresistance of magnetic multilayers
R Seviour1, S Sanvito2, C J Lambert1 and J H Jefferson3
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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.
- PACS
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75.47.De Giant magnetoresistance
75.70.Cn Magnetic properties of interfaces (multilayers, superlattices, heterostructures)
- Subjects
- Dates
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Issue 39 (2 October 2000)
Received 11 July 2000, in final form 6 September 2000
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Anomalous magnetoresistance of magnetic multilayers
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