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Thursday, 2 June 2011

Lawrence Berkeley National Laboratory (Berkeley Lab)
May 27, 2011

Graphene is a two-dimensional honeycomb of carbon, just one atom thick, whose intriguing electronic properties include very high electron mobility and very low resistivity. Graphene is so sensitive to its environment, however, that these remarkable attributes can be wrecked by interference from nearby materials. Finding the best substrate on which to mount graphene is critical if graphene devices are ever to become practical.

Groups led by Michael Crommie and Alex Zettl, scientists in the Materials Sciences Division at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) and professors of physics at the University of California at Berkeley, have joined forces to examine the best substrate candidates for preserving graphene’s intrinsic properties. Results of their research on graphene’s interaction with a boron nitride substrate recently appeared inNano Letters.
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