Molecular circuits based on graphene nano-ribbon junctions

Details Molecular circuits based on graphene nano-ribbon junctions Molecular circuits based on graphene nano-ribbon junctions

2007-04-03

arxiv.org/abs/0704.0411v1

Applied Physics Letters 90, 223115 (2007)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

10 pages, including 4 figures

Scientific paper

10.1063/1.2745268

Graphene nano-ribbons junctions based electronic devices are proposed in this Letter. Non-equilibrium Green function calculations show that nano-ribbon junctions tailored from single layer graphene with different edge shape and width can act as metal-semiconductor junctions and quantum dots can be implemented. In virtue of the possibilities of patterning monolayer graphene down to atomic precision, these structures, quite different from the previously reported two-dimensional bulk graphene or carbon nanotube devices, are expected to be used as the building blocks of the future nano-electronics.

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