Subnanometer motion of cargoes driven by thermal gradients along carbon nanotubes

Amelia Barreiro, Riccardo Rurali, Eduardo R. Hernández, Joel Moser, Thomas Pichler, László Forró, Adrian Bachtold

Research output: Contribution to journalArticleResearchpeer-review

279 Citations (Scopus)

Abstract

An important issue in nanoelectromechanical systems is developing small electrically driven motors. We report on an artificial nanofabricated motor in which one short carbon nanotube moves relative to another coaxial nanotube. A cargo is attached to an ablated outer wall of a multiwalled carbon nanotube that can rotate and/or translate along the inner nanotube. The motion is actuated by imposing a thermal gradient along the nanotube, which allows for subnanometer displacements, as opposed to an electromigration or random walk effect.
Original languageEnglish
Pages (from-to)775-778
JournalScience
Volume320
DOIs
Publication statusPublished - 9 May 2008

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