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Cooling carbon nanotubes to the phononic ground state with constant electron current
Stefano Zippilli, Giovanna Morigi, Adrian Bachtold
We present a quantum theory of cooling of a mechanical resonator using back-action with constant electron current. The resonator device is based on a doubly clamped nanotube, which…
Imaging mechanical vibrations in suspended graphene sheets
D. Garcia-Sanchez, A. M. van der Zande, A. San Paulo +3
We carried out measurements on nanoelectromechanical systems based on multilayer graphene sheets suspended over trenches in silicon oxide. The motion of the suspended sheets was el…
The environment of graphene probed by electrostatic force microscopy
J. Moser, A. Verdaguer, D. Jimenez +2
We employ electrostatic force microscopy to study the electrostatic environment of graphene sheets prepared with the micro-mechanical exfoliation technique. We detect the electric…