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graphene

Graphene is a highly conductive allotrope of carbon whose atoms are arranged in a mesh- like form a single atom thick. The substance was discovered to be present in ordinary graphite in 2003. Graphene has greater electron mobility and more efficient heat dissipation than silicon. Because of these and other attributes, graphene may some day replace silicon as the semiconductor material in microchips and enable the continuation of Moore's law.

A research team led by Professor Andre Geim of the Manchester Centre for Mesoscience and Nanotechnology built a graphene transistor and described it in the March 2007 issue of Nature magazine.

This was last updated in July 2008

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