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December 3rd, 2003
U of M Physicists Show Nanotubes are Best Semiconductors
University of Maryland physicists have found that semiconducting carbon nanotubes have the highest mobility of any known material at room temperature. Mobility is a measure of how well a semiconductor conducts electricity. A team of researchers led by Michael Fuhrer, assistant professor of physics in the university's Center for Superconductivity Research, have fabricated a semiconducting nanotube transistor that shows a mobility almost 25 percent higher than any previous semiconducting material and more than 70 times higher than the mobility of the silicon used in today's computer chips.
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