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Technology update

Mar 12, 2008

Graphene shows pseudospin magnetism

The charge density in graphene bilayers spontaneously shifts to one of the two layers. This prediction, made by theoretical physicists in the US and Italy, means that graphene behaves as a "pseudospin magnet". If confirmed in experiments, the result could open the way for ultra-low dissipation electronic devices made from graphene in which the bias voltage that drives currents through chips is much smaller than the thermal energy.

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