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Transistor Single Atom In Size Created By Australian Scientists

Single-Atom Transistor

Just when you thought electronic devices couldn't get any smaller comes word that Australian scientists have fabricated a transistor out of a single atom.

Transistors--semiconductor devices that amplify and switch electronic signals--are considered the building blocks of computers.

The researchers created the minute device--a phosphorous atom precisely positioned on a silicon crystal--using a scanning tunneling microscope inside a vacuum chamber. The transistor is not a commercially available product but is believed to represent an important step toward the development of next-generation "quantum" computers of unprecedented processing capabilities.

"This is the first time anyone has shown control of a single atom in a substrate with this level of precise accuracy," Dr. Michelle Simmons, director of the ARC Centre for Quantum Computation and Communication at the University of New South Wales and one of the researchers behind the breakthrough, said in a written statement.

News: TheHuffingtonPosts
Transistor Single Atom In Size Created By Australian Scientists Reviewed by Sartaj Husain on Monday, April 09, 2012 Rating: 5

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