Observation of Locked Intrinsic Localized Vibrational Modes in a Micromechanical Oscillator Array

M. Sato, B. E. Hubbard, A. J. Sievers, B. Ilic, D. A. Czaplewski, and H. G. Craighead
Phys. Rev. Lett. 90, 044102 – Published 30 January 2003

Abstract

The nonlinear vibrational properties of a periodic micromechanical oscillator array have been measured. For sufficiently large amplitude of the driver, the optic mode of the di-element cantilever array becomes unstable and breaks up into excitations ranging over only a few cells. A driver-induced locking effect is observed to eternalize some of these intrinsic localized modes so that their amplitudes become fixed and the modes become spatially pinned.

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  • Received 23 August 2002

DOI:https://doi.org/10.1103/PhysRevLett.90.044102

©2003 American Physical Society

Authors & Affiliations

M. Sato, B. E. Hubbard, and A. J. Sievers

  • Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853-2501

B. Ilic

  • Cornell Nanofabrication Facility and Department of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853-5403

D. A. Czaplewski and H. G. Craighead

  • Department of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853-3501

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Issue

Vol. 90, Iss. 4 — 31 January 2003

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