High-frequency nanotube mechanical resonators
arXiv:1207.4874 · doi:10.1063/1.3663630
Abstract
We report on a simple method to fabricate high-frequency nanotube mechanical resonators reproducibly. We measure resonance frequencies as high as 4.2 GHz for the fundamental eigenmode and 11 GHz for higher order eigenmodes. The high-frequency resonances are achieved using short suspended nanotubes and by introducing tensile stress in the nanotube. These devices allow us to determine the coefficient of the thermal expansion of an individual nanotube, which is negative and is about -0.7E-5 1/K at room temperature. High-frequency resonators made of nanotubes hold promise for mass sensing and experiments in the quantum limit.
References in corpus (9)
- Sideband Cooling Micromechanical Motion to the Quantum Ground State
- Ripple Texturing of Suspended Graphene Atomic Membranes
- A tunable carbon nanotube electromechanical oscillator
- Nanomechanical motion measured with precision beyond the standard quantum limit
- Strong coupling between single-electron tunneling and nano-mechanical motion
- Carbon nanotubes as ultra-high quality factor mechanical resonators
- Tunneling in suspended carbon nanotubes assisted by longitudinal phonons
- Probing thermal expansion of graphene and modal dispersion at low-temperature using graphene NEMS resonators
- Digital and FM demodulation of a doubly-clamped single wall carbon nanotube oscillator: towards a nanotube cell phone