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Electron transport in carbon nanotube shuttles and telescopes.

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Article number153405
<mark>Journal publication date</mark>2004
<mark>Journal</mark>Physical Review B
Issue number15
<mark>Original language</mark>English


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.