Josephson coupling in junctions made of monolayer graphene on SiC
B. Jouault, S. Charpentier, D. Massarotti, A. Michon, M. Paillet,, J.-R. Huntzinger, A. Tiberj, A. Zahab, T. Bauch, P. Lucignano, A., Tagliacozzo, F. Lombardi, and F. Tafuri
TL;DR
This paper demonstrates robust Josephson coupling in monolayer graphene on SiC, highlighting its potential for scalable, ballistic superconductor-graphene devices with high homogeneity and promising quantum transport properties.
Contribution
It presents the first measurement of Josephson coupling in monolayer graphene on SiC, emphasizing its suitability for scalable superconducting quantum devices.
Findings
Robust Josephson coupling observed in Al/graphene/Al junctions
Graphene on SiC shows high homogeneity and potential for ballistic transport
Scalability of hybrid superconductor-graphene devices demonstrated
Abstract
Graphene on silicon carbide (SiC) has proved to be highly successful in Hall conductance quantization for its homogeneity at the centimetre scale. Robust Josephson coupling has been measured in co-planar diffusive Al/monololayer graphene/Al junctions. Graphene on SiC substrates is a concrete candidate to provide scalability of hybrid Josephson graphene/superconductor devices, giving also promise of ballistic propagation.
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Taxonomy
TopicsGraphene research and applications · Quantum and electron transport phenomena · Physics of Superconductivity and Magnetism