Tech Business
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Written by Gizmo
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Monday, 03 August 2009 11:48 |
R. Colin Johnson
EE Times
PORTLAND, Ore.—Graphene will carry nearly 1,000-times more current and
run over 10-times cooler than conventional copper interconnects below
22-nanometer line widths, according to researchers at the Georgia
Institute of Technology (Georgia Tech).
The speed (electron mobility) of graphene has already been touted as
better than copper, but this Georgia Tech data on nanoribbons as small
as 16-nanometers quantifies just how superior carbon is to copper. The
graphene nanoribbons tested at Georgia Tech could carry as much as 10
billion amps per square centimeter—nearly a thousand times greater than
copper.
"No one had measured graphene's current carrying capacity before this,"
said Raghunath Murali, a senior research engineer in Georgia Tech's
Nanotechnology Research Center. "One possible reason that this property
of graphene was not touted before is that there were no experimental
results until our work."
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