Nanoelectromechanics of suspended carbon nanotubes

Details Nanoelectromechanics of suspended carbon nanotubes Nanoelectromechanics of suspended carbon nanotubes

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008njph...10i5003h&link_type=abstract

New Journal of Physics, Volume 10, Issue 9, pp. 095003 (2008).

Physics

12

Scientific paper

We discuss different types of measurements targetting the interplay of mechanical motion with electrical transport in suspended single-wall carbon nanotube devices. In driven resonator experiments, the transversal acoustical vibration mode is detected and identified at room temperature using ac down-mixing techniques. In contrast, low-temperature transport spectroscopy enables the observation of the longitudinal acoustic mode in the quantum limit in single electron tunnelling. This vibrational excitation can also be observed in higher order tunnelling current for appropriate electronic coupling to the leads. Experimental roads towards the quantum limit of the transversal vibration mode—as ultimate quantum-limited beam resonator—are explored, e.g. extending both abovementioned measurement techniques.

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