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Technology update

May 14, 2008

IBM researchers see quantized conductance in graphene

Quantized conductance — whereby the current through a wire changes in a stepwise, rather than continuous manner — has been seen in very thin ribbons of graphene for the first time. The discovery was made by physicists in the US, who claim that this first sighting is an important step towards using such graphene “nanoribbons” in transistors that are much smaller than those used in electronics devices today.

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