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Nonlinear motion and mechanical mixing in as-grown GaAs nanowires

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arxiv 1406.5961 v1 pith:CHKIFYZU submitted 2014-06-23 cond-mat.mes-hall

Nonlinear motion and mechanical mixing in as-grown GaAs nanowires

F. R. Braakman , D. Cadeddu , G. T\"ut\"unc\"uoglu , F. Matteini , D. R\"uffer , A. Fontcuberta i Morral , M. Poggio This is my paper
classification cond-mat.mes-hall
keywords mechanicaldemonstratemixingmotionnanowirenonlinearnonlinearityused
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We report nonlinear behavior in the motion of driven nanowire cantilevers. The nonlinearity can be described by the Duffing equation and is used to demonstrate mechanical mixing of two distinct excitation frequencies. Furthermore, we demonstrate that the nonlinearity can be used to amplify a signal at a frequency close to the mechanical resonance of the nanowire oscillator. Up to 26 dB of amplitude gain are demonstrated in this way.

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