Self-organization of irregular nanoelectromechanical vibrations in multimode shuttle structures

L. M. Jonsson, F. Santandrea, L. Y. Gorelik, R. I. Shekhter, M. Jonson

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12 Citations (Scopus)

Abstract

We investigate theoretically multimode electromechanical "shuttle" instabilities in dc voltage-biased nanoelectromechanical single-electron tunneling devices. We show that initially irregular (quasiperiodic) oscillations that occur as a result of the simultaneous self-excitation of several mechanical modes with incommensurable frequencies self-organize into periodic oscillations with a frequency corresponding to the eigenfrequency of one of the unstable modes. This effect demonstrates that a local probe can selectively excite global vibrations of extended objects. © 2008 The American Physical Society.

Original languageEnglish
Article number186802
JournalPhysical Review Letters
Volume100
Issue number18
DOIs
Publication statusPublished - 5 May 2008

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