Nanospintronics with carbon nanotubes

Details Nanospintronics with carbon nanotubes Nanospintronics with carbon nanotubes

2007-03-18

arxiv.org/abs/cond-mat/0703472v1

Semicond. Sci. Technol. 21, S78 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

35 pages, 15 figures, some figures in gif

Scientific paper

10.1088/0268-1242/21/11/S11

One of the actual challenges of spintronics is the realization of a spin-transistor allowing to control spin transport through an electrostatic gate. In this review, we report on different experiments which demonstrate a gate control of spin transport in a carbon nanotube connected to ferromagnetic leads. We also discuss some theoretical approaches which can be used to analyze spin transport in these systems. We emphasize the roles of the gate-tunable quasi-bound states inside the nanotube and the coherent spin-dependent scattering at the interfaces between the nanotube and its ferromagnetic contacts.

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