alexa Electromechanical resonators from graphene sheets.
Physics

Physics

Journal of Lasers, Optics & Photonics

Author(s): Bunch JS, van der Zande AM, Verbridge SS, Frank IW, Tanenbaum DM,

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Abstract Nanoelectromechanical systems were fabricated from single- and multilayer graphene sheets by mechanically exfoliating thin sheets from graphite over trenches in silicon oxide. Vibrations with fundamental resonant frequencies in the megahertz range are actuated either optically or electrically and detected optically by interferometry. We demonstrate room-temperature charge sensitivities down to 8 x 10(-4) electrons per root hertz. The thinnest resonator consists of a single suspended layer of atoms and represents the ultimate limit of two-dimensional nanoelectromechanical systems. This article was published in Science and referenced in Journal of Lasers, Optics & Photonics

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