| http://www.w3.org/ns/prov#value | - can be characterised using analytical techniques such as scanning electron microscopy (which reveals images of the wrinkled sheets of graphene) and X-ray diffraction (which shows the level of crystallinity); an increase in volume also indicates the transformation, as the layers of graphite are forced apart. ???It???s important to remember that graphene is graphitic carbon, and as soon as you have
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