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August 25th, 2004
Nanocrystals spark efficient LEDs
Researchers from Los Alamos National Laboratory have found a way to make highly efficient light-emitting diodes from nanocrystals, or tiny bits of semiconductor. The light-emitting diodes can be as small as a few nanometers in diameter; a nanometer is one millionth of a millimeter, or the span of 10 hydrogen atoms.
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