Electron transport in carbon nanotube shuttles and telescopes

Details Electron transport in carbon nanotube shuttles and telescopes Electron transport in carbon nanotube shuttles and telescopes

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004phrvb..70o3405g&link_type=abstract

Physical Review B, vol. 70, Issue 15, id. 153405

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Macroscopic Quantum Phenomena In Magnetic Systems, Proximity Effects, Andreev Effect, Sn And Sns Junctions, Semiclassical Theories And Applications

Scientific paper

Using a scattering technique, combined with density-functional theory, a computational study of the electron-transport properties of multiwall carbon nanotube (MWNT) telescopes and shuttles is presented. When the inner nanotube of a MWNT is displaced by an amount δx with respect to the outer tube, we predict that the interwall π-π coupling, γπ-π , is significantly modified, leading to unexpected conductance oscillations for values of δx of the order of the interatomic spacing. An analytical model is presented, which provides a mapping between γπ-π and electron-transport measurements.

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