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Home > News > Nanotech: Universe In A Grain Of Sand

February 4th, 2005

Nanotech: Universe In A Grain Of Sand

Abstract:
It was a shining moment. Four years ago in a University of Texas chemistry lab in Austin, two professors, Brian Korgel and Keith P. Johnston, placed bits of silicon in a pressurized titanium chamber. They poured in a brew of solvents and then heated it to 932F. What emerged from this pressure cooker were itsy-bitsy crystals of silicon, visible only under the most powerful microscopes. But something was very peculiar about silicon at this atomic scale. It wasn't its usual sandy self. Far from it. These so-called nanocrystals, when hitched to electrical current, emitted steady light. (Ed.'s note: this article was first published in Oct '04, but we missed it.)

Source:
businessweek

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