Nanomechanical Antenna Oscillator

Nanomechanical Antenna Oscillator
This scanning electron micrograph depicts a silicon crystal nanomachined into an antenna oscillator that can vibrate about 1.5 billion times per second. The antenna-type oscillator is a nanomachined single-crystal structure of silicon. Using this design, movements 1000 times smaller than nanometer scale are amplified into motion of the entire micron-sized structure. Operating at gigahertz speeds, the technology could help further miniaturize wireless communication devices like cell phones. This macroscopic nanomechanical oscillator consists of roughly 50 billion silicon atoms.

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Raj Mohanty, Boston University

Size: 

The central silicon beam is 10.7 ┬Ám long and 400 nm wide; the "paddles" along the sides are 500 nm long and 200 nm wide.

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