ea16 They showed that the vacancy can stably host a local charge which traps electrons in satellite orbits, resembling a tunable artificial atom.

This is the first observation of a stable and tunable charged vacancy in graphene and could potentially lead to the fabrication of artificial atom arrays for performing the electronic equivalent of optical operations.

The article appeared in Nature Physics advanced online publication on February 22, 2016.

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(3-7-2016)