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Exotic material could revolutionize computer industry

Posted on Sunday, June 21 2009 @ 08:16:23 CEST by

Researchers at the Department of Energy's SLAC National Accelerator Laboratory and Stanford University confirmed the existence of a type of material that could one day lead to dramatically faster, and more efficient computer chips:
Recently-predicted and much-sought, the material allows electrons on its surface to travel with no loss of energy at room temperatures and can be fabricated using existing semiconductor technologies. Such material could provide a leap in microchip speeds, and even become the bedrock of an entirely new kind of computing industry based on spintronics, the next evolution of electronics.

Physicists Yulin Chen, Zhi-Xun Shen and their colleagues tested the behavior of electrons in the compound bismuth telluride. The results, published online June 11 in Science Express, show a clear signature of what is called a topological insulator, a material that enables the free flow of electrons across its surface with no loss of energy.
More info at Science Daily.



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