Control of quantum transport in atomic-scale graphene devices

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We try to develop new fabrication process that combines the top-down nanofabrication and organic synthesis to control the edge of graphene sheets by chemical modification. Through advances in fabrication and characterization building on our fusion research, it may become possible to make quantum nanoedevices so small that they approach the molecular scale. In this research, we present a selective oxidation method that functionalizes only the edges of graphene sheets. Our experimental results are important step toward the control of edge structures in graphene. We will apply the chemical modification to the device fabrication process as a future work.