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Epitaxial graphene: How silicon leaves the scene

Large and homogeneous layers of graphene are obtained by annealing silicon carbide in a dense noble gas atmosphere that controls the way in which silicon sublimates. Epitaxial graphene thus gets back on track towards future electronic applications.

Since it was first isolated in 2004, graphene, a sheet of pure carbon just one atom thick, has generated a flurry of research activities. Although much of the initial 'gold rush' has focused on the fascinating properties of this two-dimensional crystal1 — which have as much to do with fundamental quantum electrodynamics and particle physics as with solid state physics and materials science — researchers have recently begun addressing the more mundane question of how some of these characteristics might be harnessed in applications ranging from post-Moore's law electronics over ultra-responsive sensors and actuators to transparent solar cell contacts.

Source: BNL

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