Conserved spin and orbital phase along carbon nanotubes connected with multiple ferromagnetic contacts

Details Conserved spin and orbital phase along carbon nanotubes connected with multiple ferromagnetic contacts Conserved spin and orbital phase along carbon nanotubes connected with multiple ferromagnetic contacts

2010-03-28

arxiv.org/abs/1003.5387v1

Phys. Rev. B 81, 115414 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

8 pages - minor differences with published version

Scientific paper

We report on spin dependent transport measurements in carbon nanotubes based multi-terminal circuits. We observe a gate-controlled spin signal in non-local voltages and an anomalous conductance spin signal, which reveal that both the spin and the orbital phase can be conserved along carbon nanotubes with multiple ferromagnetic contacts. This paves the way for spintronics devices exploiting both these quantum mechanical degrees of freedom on the same footing.

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