Raman spectrum method for characterization of pull-in voltages of graphene capacitive shunt switches

Peng Li; Zheng You; Tianhong Cui

doi:10.1063/1.4773183

Raman spectrum method for characterization of pull-in voltages of graphene capacitive shunt switches

Peng Li
, Zheng You
, Tianhong Cui

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

An approach using Raman spectrum method is reported to measure pull-in voltages of graphene capacitive shunt switches. When the bias excesses the pull-in voltage, the Raman spectrum's intensity largely decreases. Two factors that contribute to the intensity reduction are investigated. Moreover, by monitoring the frequency shift of G peak and 2D band, we are able to detect the pull-in voltage and measure the strain change in graphene beams during switching.

Original language	English (US)
Article number	263103
Journal	Applied Physics Letters
Volume	101
Issue number	26
DOIs	https://doi.org/10.1063/1.4773183
State	Published - Dec 24 2012

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abstract = "An approach using Raman spectrum method is reported to measure pull-in voltages of graphene capacitive shunt switches. When the bias excesses the pull-in voltage, the Raman spectrum's intensity largely decreases. Two factors that contribute to the intensity reduction are investigated. Moreover, by monitoring the frequency shift of G peak and 2D band, we are able to detect the pull-in voltage and measure the strain change in graphene beams during switching.",

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AB - An approach using Raman spectrum method is reported to measure pull-in voltages of graphene capacitive shunt switches. When the bias excesses the pull-in voltage, the Raman spectrum's intensity largely decreases. Two factors that contribute to the intensity reduction are investigated. Moreover, by monitoring the frequency shift of G peak and 2D band, we are able to detect the pull-in voltage and measure the strain change in graphene beams during switching.

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Raman spectrum method for characterization of pull-in voltages of graphene capacitive shunt switches

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