Playing pool with carbon atoms: How to change the crystal structure of graphene

A discovery brings graphene -- thin layers of pencil 'lead' -- one step closer to replacing silicon in future technologies such as faster and smaller microprocessors. Graphene consists of extremely thin sheets of graphite: when writing with a pencil, graphene sheets slough off the pencil's graphite core and stick to the page. If placed under a high-powered electron microscope, graphene reveals its sheet-like structure of cross-linked carbon atoms, resembling chicken wire.

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