posted by Hadrien Grasland on Tue 25th Jan 2011 11:11 UTC, submitted by sawboss
IconOver the last three years, we've seen a lot of impressive demonstrations of what the material graphene (a single-atom wide sheet of carbon with the atoms spread in an hexagonal mesh) can do. However, according to IBM, graphene does not have an energy gap, which means that graphene transistors can't be "switched on and off", and thus that they are unsuitable for use inside of microprocessors.
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