Pure spin current in graphene NS structures

Details Pure spin current in graphene NS structures Pure spin current in graphene NS structures

2006-10-27

arxiv.org/abs/cond-mat/0610750v3

Phys. Rev. B 75, 195437 (2007)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 3 figures

Scientific paper

10.1103/PhysRevB.75.195437

We demonstrate theoretically the possibility to produce a pure spin current
in graphene by filtering the charge from a spin-polarized electric current. To
achieve this effect, which is based on the recently predicted property of
specular Andreev reflection in graphene, we propose two possible device
structures containing normal-superconductor (NS) junctions.

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