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LETTER TO THE EDITOR
2000 J. Phys.: Condens. Matter 12 L621-L626 doi: 10.1088/0953-8984/12/39/102
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Abstract. 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.
Print publication: Issue 39 (2 October 2000) |
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