How nanotubes form on silicon carbide grains (IMAGE)

University of Arizona

How nanotubes form on silicon carbide grains

Caption

In this schematic illustration, experimental heating causes a grain of silicon carbide to shed silicon atoms (green). This leaves behind carbon atoms (black), which assemble into sheets of graphene and ultimately into rod-shaped carbon nanotubes and spherical buckyballs.

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Jacob Bernal/University of Arizona

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