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The chemical composition of graphene is no different from diamond or graphite - it consists of the same carbon atoms. However, their special spatial arrangement contributes to the colossal difference in physical properties. Atoms in traditional materials are arranged in three dimensions, so the objects around us have height, length and width. Graphene is an allotrope of carbon in which the atoms form a two-dimensional hexagonal crystal lattice with a thickness of just one atom. In fact, it's just a single layer pulled out of bulk crystal, it has no third dimension.Graphene is the first two-dimensional material obtained by scientists.Due to its unique atomic structure, graphene has a number of advantages:high thermal conductivity;mechanical strength;flexibility;high electrical conductivity;impermeability to most liquids and gases;transparency.Electrical conductivity5 times lighter than copperStronger than steelup to 100 timesHeat resistanceup to 3000°С in vacuum1mm thicknessequals 3 million sheets of graphene

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