Josephson Coupling in Junctions Made of Monolayer Graphene Grown on SiC

  • B. Jouault
  • S. Charpentier
  • D. Massarotti
  • A. Michon
  • M. Paillet
  • J. R. Huntzinger
  • A. Tiberj
  • A.-A. Zahab
  • T. Bauch
  • P. Lucignano
  • A. Tagliacozzo
  • F. Lombardi
  • F. Tafuri
Original Paper


Chemical vapor deposition has proved to be successful in producing graphene samples on silicon carbide (SiC) homogeneous at the centimeter scale in terms of Hall conductance quantization. Here, we report on the realization of co-planar diffusive Al/ monolayer graphene/ Al junctions on the same graphene sheet, with separations between the electrodes down to 200 nm. Robust Josephson coupling has been measured for separations not larger than 300 nm. Transport properties are reproducible on different junctions and indicate that graphene on SiC substrates is a concrete candidate to provide scalability of hybrid Josephson graphene/superconductor devices.


Graphene Josephson effect Silicon carbide 



Discussions with Piet Brouwer and Victor Rouco Gomez are gratefully acknowledged. Work supported by PICS CNRS-CNR 2014-2016 “Transport phenomena and Proximity-induced Superconductivity in Graphene junctions”, Swedish Foundation for Strategic Research (SSF) under the project “Graphene based high frequency electronics”, FIRB “HybridNanoDev RBFR1236VV” (Italy). The research leading to these results have received partial funding from the European Union Seventh Framework Programme under grant agreement n604391 Graphene Flagship.


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • B. Jouault
    • 1
  • S. Charpentier
    • 2
  • D. Massarotti
    • 3
    • 4
  • A. Michon
    • 5
  • M. Paillet
    • 1
  • J. R. Huntzinger
    • 1
  • A. Tiberj
    • 1
  • A.-A. Zahab
    • 1
  • T. Bauch
    • 2
  • P. Lucignano
    • 4
  • A. Tagliacozzo
    • 4
    • 6
    • 7
  • F. Lombardi
    • 2
  • F. Tafuri
    • 3
    • 4
  1. 1.Laboratoire Charles Coulomb (L2C)UMR 5221 CNRS-Université de MontpellierMontpellierFrance
  2. 2.Chalmers University of TechnologyGöteborgSweden
  3. 3.Dipartimento di Ingegneria Industriale e dell’InformazioneSeconda Universitá di NapoliAversa (CE)Italy
  4. 4.CNR-SPINNapoliItaly
  5. 5.CRHEA - Centre de Recherche sur l’Hétéroépitaxie et ses ApplicationsCNRS, rue Bernard GrégoryValbonneFrance
  6. 6.Dipartimento di FisicaUniversità di Napoli Federico IINapoliItaly
  7. 7.INFN, Laboratori Nazionali di FrascatiFrascatiItaly

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