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Wide bandwidth nanowire electromechanics on insulating substrates at room temperature

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arxiv 1601.01270 v1 pith:KHB4H7BM submitted 2016-01-06 cond-mat.mes-hall

Wide bandwidth nanowire electromechanics on insulating substrates at room temperature

classification cond-mat.mes-hall
keywords nanowirebandwidthdetectioninsulatingresonatorsroomsapphiresubstrate
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We study InAs nanowire resonators fabricated on sapphire substrate with a local gate configuration. The key advantage of using an insulating sapphire substrate is that it results in a reduced parasitic capacitance thus allowing both wide bandwidth actuation and detection using a network analyzer as well as signal detection at room temperature. Both in-plane and out-of-plane vibrational modes of the nanowire can be driven and the non-linear response of the resonators studied. In addition this technique enables the study of variation of thermal strains due to heating in nanostructures

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