Perfect Spin-filtering and Giant Magnetoresistance with Fe-terminated Graphene Nanoribbon

Details Perfect Spin-filtering and Giant Magnetoresistance with Fe-terminated Graphene Nanoribbon Perfect Spin-filtering and Giant Magnetoresistance with Fe-terminated Graphene Nanoribbon

2011-08-05

arxiv.org/abs/1108.1253v1

Appl. Phys. Lett. 99, 073110 (2011)

Physics

Condensed Matter

Materials Science

3 pages, 4 figures, accepted by Appl. Phys. Lett

Scientific paper

10.1063/1.3626596

Spin-dependent electronic transport properties of Fe-terminated zig-zag graphene nanoribbons (zGNR) have been studied using first-principles transport simulations. The spin configuration of proposed zGNR junction can be controlled with external magnetic field, and the tunneling junction show MR>1000 at small bias and is a perfect spin-filter by applying uniform external magnetic filed at small bias.

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