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Magnetic damping of a carbon nanotube nano-electromechanical resonator

URN to cite this document:
urn:nbn:de:bvb:355-epub-280745
Schmid, Daniel R. ; Stiller, Peter L. ; Strunk, Christoph ; Hüttel, Andreas K.
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Date of publication of this fulltext: 23 Apr 2013 12:35



Abstract

A suspended, doubly clamped single-wall carbon nanotube is characterized at cryogenic temperatures. We observe specific switching effects in dc-current spectroscopy of the embedded quantum dot. These have been identified previously as nano-electromechanical self-excitation of the system, where positive feedback from single-electron tunneling drives mechanical motion. A magnetic field suppresses ...

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