Spin-accumulation in small ferromagnetic double barrier junctions

Details Spin-accumulation in small ferromagnetic double barrier junctions Spin-accumulation in small ferromagnetic double barrier junctions

1998-11-13

arxiv.org/abs/cond-mat/9811179v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures, to appear in PRB

Scientific paper

10.1103/PhysRevB.59.93

The non-equilibrium spin accumulation in ferromagnetic double barrier junctions is shown to govern the transport in small structures. Transport properties of such systems are described by a generalization of the theory of the Coulomb blockade. The spin accumulation enhances the magnetoresistance. The transient non-linear transport properties are predicted to provide a unique experimental evidence of the spin-accumulation in the form of a reversed current on time scales of the order of the spin-flip relaxation time.

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