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Article Dans Une Revue Nano Letters Année : 2013

Ultra Low Power Consumption for Self-Oscillating Nanoelectromechanical Systems Constructed by Contacting Two Nanowires

Résumé

We report here the observation of a new self-oscillation mechanism in nanoelectromechanical systems (NEMS). A highly resistive nanowire was positioned to form a point-contact at a chosen vibration node of a silicon carbide nanowire resonator. Spontaneous and robust mechanical oscillations arise when a sufficient DC voltage is applied between the two nanowires. An original model predicting the threshold voltage is used to estimate the piezoresistivity of the point-contact in agreement with the observations. The measured input power is in the pW-range which is the lowest reported value for such systems. The simplicity of the contacting procedure and the low power consumption open a new route for integrable and low-loss self-excited NEMS devices.
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Dates et versions

hal-01565117 , version 1 (29-09-2017)

Identifiants

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Thomas Barois, Anthony Ayari, P. Vincent, S. Perisanu, P. Poncharal, et al.. Ultra Low Power Consumption for Self-Oscillating Nanoelectromechanical Systems Constructed by Contacting Two Nanowires. Nano Letters, 2013, 13 (4), pp.1451-1456. ⟨10.1021/nl304352w⟩. ⟨hal-01565117⟩
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