Tunable graphene single electron transistor.

  title={Tunable graphene single electron transistor.},
  author={Christoph Stampfer and E. Schurtenberger and Françoise Molitor and Johannes G{\"u}ttinger and Thomas Ihn and Klaus Ensslin},
  journal={Nano letters},
  volume={8 8},
We report electronic transport experiments on a graphene single electron transistor. The device consists of a graphene island connected to source and drain electrodes via two narrow graphene constrictions. It is electrostatically tunable by three lateral graphene gates and an additional back gate. The tunneling coupling is a strongly nonmonotonic function of gate voltage indicating the presence of localized states in the barriers. We investigate energy scales for the tunneling gap, the… CONTINUE READING

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