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Researchers in the US have observed room-temperature ferromagnetism in a graphene nanostructure for the first time. The result, until now only predicted by theory, suggests that graphene could be used to create spintronics devices, which are circuits that use the spin of the electron to process and store information.

Graphene, a sheet of carbon just one atom thick, is a promising material for making molecular electronic devices of the future thanks to its unique electronic and mechanical properties. These include extremely high electrical and thermal conductivity plus exceptional mechanical strength. Room-temperature ferromagnetism can now be added to this already impressive list.

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