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Observation of second flexural mode enhancement in graphene resonators

Research output: Contribution to journalArticle

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Author(s)

T. Chen, E. Mastropaolo, A. Bunting, R. Cheung

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Abstract

The enhancement of the second flexural mode in a monolayer graphene resonator by an inhomogeneous electrostatic actuation force has been observed. The devices have been fabricated by transferring the graphene onto a poly-Si/SiO2/Si substrate whereby the poly-Si has been released to produce graphene resonators. Enhancement of the second harmonic has been demonstrated by varying the actuation voltage, achieving an amplitude enhancement of up to 95% of the fundamental mode. The reported findings open new perspectives for graphene resonant sensors with enhanced sensitivity.

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Original languageEnglish
Pages (from-to)1014-1016
Number of pages3
JournalElectronics Letters
Volume51
Issue number13
DOIs
Publication statusPublished - 1 Jan 2015

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