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High-yield parallel fabrication of quantum-dot monolayer single-electron devices displaying Coulomb staircase, contacted by graphene

Author

Listed:
  • Joel M. Fruhman

    (Cavendish Laboratory, University of Cambridge)

  • Hippolyte P.A.G. Astier

    (Cavendish Laboratory, University of Cambridge)

  • Bruno Ehrler

    (Cavendish Laboratory, University of Cambridge)

  • Marcus L. Böhm

    (Cavendish Laboratory, University of Cambridge)

  • Lissa F. L. Eyre

    (Cavendish Laboratory, University of Cambridge)

  • Piran R. Kidambi

    (University of Cambridge
    Vanderbilt University)

  • Ugo Sassi

    (Cambridge Graphene Centre)

  • Domenico Fazio

    (Cambridge Graphene Centre)

  • Jonathan P. Griffiths

    (Cavendish Laboratory, University of Cambridge)

  • Alexander J. Robson

    (Lancaster University)

  • Benjamin J. Robinson

    (Lancaster University)

  • Stephan Hofmann

    (University of Cambridge)

  • Andrea C. Ferrari

    (Cambridge Graphene Centre)

  • Christopher J. B. Ford

    (Cavendish Laboratory, University of Cambridge)

Abstract

It is challenging for conventional top-down lithography to fabricate reproducible devices very close to atomic dimensions, whereas identical molecules and very similar nanoparticles can be made bottom-up in large quantities, and can be self-assembled on surfaces. The challenge is to fabricate electrical contacts to many such small objects at the same time, so that nanocrystals and molecules can be incorporated into conventional integrated circuits. Here, we report a scalable method for contacting a self-assembled monolayer of nanoparticles with a single layer of graphene. This produces single-electron effects, in the form of a Coulomb staircase, with a yield of 87 ± 13% in device areas ranging from

Suggested Citation

  • Joel M. Fruhman & Hippolyte P.A.G. Astier & Bruno Ehrler & Marcus L. Böhm & Lissa F. L. Eyre & Piran R. Kidambi & Ugo Sassi & Domenico Fazio & Jonathan P. Griffiths & Alexander J. Robson & Benjamin J., 2021. "High-yield parallel fabrication of quantum-dot monolayer single-electron devices displaying Coulomb staircase, contacted by graphene," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24233-2
    DOI: 10.1038/s41467-021-24233-2
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    References listed on IDEAS

    as
    1. Gabriel Puebla-Hellmann & Koushik Venkatesan & Marcel Mayor & Emanuel Lörtscher, 2018. "Metallic nanoparticle contacts for high-yield, ambient-stable molecular-monolayer devices," Nature, Nature, vol. 559(7713), pages 232-235, July.
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