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Feature Article by Donna Hancock
Graphene – From Wikipedia:
Graphene is one of the forms of carbon. Like diamonds and graphite, the forms (or 'allotropes') of carbon have different crystal structures, and this gives them different properties. Graphene is the basic 2D (two dimensional) form of a number of 3D allotropes, such as graphite, charcoal, fullerene and carbon nanotubes.
The term graphene was coined as a combination of graphite and the suffix '-ene' by Hanns-Peter Boehm, who described single-layer carbon foils in 1962. Graphene is like a honeycomb or 'chicken wire' structure, made of carbon atoms and their bonds. Graphite is many graphene sheets stacked together.
Three million graphene sheets stacked to form graphite would be only one millimetre thick.
The Nobel Prize in Physics for 2010 was awarded to Sir Andre Geim and Sir Konstantin Novoselov "for groundbreaking experiments regarding the two-dimensional material graphene".
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