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Electromechanical instability in suspended carbon nanotubes | | L. M. Jonsson
; L. Y Gorelik
; R. I. Shekhter
; M. Jonson
; | | Date: |
19 Mar 2005 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | Abstract: | We have theoretically investigated electromechanical properties of freely suspended carbon nanotubes when a current is injected into the tubes using a scanning tunneling microscope. We show that a shuttle-like electromechanical instability can occur if the bias voltage exceeds a dissipation-dependent threshold value. An instability results in large amplitude vibrations of the carbon nanotube bending mode, which modify the current-voltage characteristics of the system. | | Source: | arXiv, cond-mat/0503497 | | Services: | Forum | Review | PDF | Favorites | |
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