Direct mechanical mixing in a nanoelectromechanical diode

Details Direct mechanical mixing in a nanoelectromechanical diode Direct mechanical mixing in a nanoelectromechanical diode

2007-09-12

arxiv.org/abs/0709.1894v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

3 pages, 4 figures. This article has been published by Applied Physics Letters. You can find this article online at http://apl

Scientific paper

10.1063/1.2789812

We observe direct mechanical mixing in nanoelectromechanical transistors fabricated in semiconductor materials operating in the radio frequency band of 10-1000 MHz. The device is made of a mechanically flexible pillar with a length of 240 nm and a diameter of 50 nm, placed between two electrodes in an impedance matched coplanar wave guide. We find a non-linear IV-characteristic, which enables radio frequency mixing of two electromagnetic signals via the nanomechanical transistor. Potential applications for this mixer are ultrasensitive displacement detection or signal processing in communication electronic circuits requiring high-throughput insulation.

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