30 Jan '14, 5pm

Rudimentary Computer Built From Nanowires

Rudimentary Computer Built From Nanowires

Image: Jun Yao and Charles Lieber/Harvard University Tricky Tiles: Connected tiles of nanowire transistors form a finite state machine that acts as a two-bit adder. A rudimentary nanocomputer built from an array of tiny wires could point the way to skirting the limits of Moore’s Law and lead to new kinds of biosensors or microcontrollers for robots. So say scientists and engineers from Harvard and Mitre, a nonprofit R&D company based in Bedford, Mass., and McLean, Va. The team describes its nanowire nanocomputer this week in Proceedings of the National Academy of Sciences. The device is based on 15-nanometer-wide wires with a germanium core and a silicon outer layer. The wires are laid out in parallel on a surface of silicon coated with silicon dioxide, with layers of dielectric material on top and chromium and gold contacts laid perpendicularly across the nanowires . Each...

Full article: http://spectrum.ieee.org/computing/hardware/rudimentary-c...

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