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Electron transport in carbon nanotube shuttles and telescopes.

Research output: Contribution to journalJournal article

Published

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Journal publication date2004
JournalPhysical Review B
Journal number15
Volume70
Original languageEnglish

Abstract

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.