Graphene transistor, SEM

Graphene transistor, SEM

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This image is part of the feature Toughest Life On Earth

Credit: ANDRE GEIM, KOSTYA NOVOSELOV/SSCIENCE PHOTO LIBRARY

Caption: Graphene transistor. Coloured scanning electron micrograph (SEM) of a transistor composed of a graphene wire (centre), gold electrodes (dark yellow) and silicon (blue). The graphene wire is 200 nanometres (billionths of a metre) wide. Graphene is composed of a single layer of carbon atoms arranged in a honeycomb crystal lattice. It is both flexible and very strong. It conducts electrons faster than silicon and could one day replace silicon in applications such as nanometre (billionths of a metre) sized electronics, cheap and efficient solar panels, transparent window coatings and miniature sensing technologies. Graphene was discovered by Andre Geim in 2004.

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Keywords: carbon, colored, coloured, conducting, conductor, contact, crystal, electrical, electrical engineering, electrode, electrodes, electronics, gold, graphene, graphite, honeycomb, honeycombed, lattice, microscope, molecular, molecule, nanoelectronic, nanoelectronics, on-off switch, physical, physics, semiconductor, sheet, silicon, switch, technological, technology, tem, transistor, transmission electron, transmission electron micrograph, wire

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