Tailoring supercurrent confinement in graphene bilayer weak links

Rainer Kraft; Jens Mohrmann; Renjun Du; Pranauv Balaji Selvasundaram; Muhammad Irfan; Umut Nefta Kanilmaz; Fan Wu; Detlef Beckmann; Hilbert von Löhneysen; Ralph Krupke; Anton Akhmerov; Igor Gornyi; Romain Danneau

doi:10.1038/s41467-018-04153-4

Nature Communications (Apr 2018)

Tailoring supercurrent confinement in graphene bilayer weak links

Rainer Kraft,
Jens Mohrmann,
Renjun Du,
Pranauv Balaji Selvasundaram,
Muhammad Irfan,
Umut Nefta Kanilmaz,
Fan Wu,
Detlef Beckmann,
Hilbert von Löhneysen,
Ralph Krupke,
Anton Akhmerov,
Igor Gornyi,
Romain Danneau

Affiliations

Rainer Kraft: Institute of Nanotechnology, Karlsruhe Institute of Technology
Jens Mohrmann: Institute of Nanotechnology, Karlsruhe Institute of Technology
Renjun Du: Institute of Nanotechnology, Karlsruhe Institute of Technology
Pranauv Balaji Selvasundaram: Institute of Nanotechnology, Karlsruhe Institute of Technology
Muhammad Irfan: Kavli Institute of Nanoscience, Delft University of Technology
Umut Nefta Kanilmaz: Institute of Nanotechnology, Karlsruhe Institute of Technology
Fan Wu: Institute of Nanotechnology, Karlsruhe Institute of Technology
Detlef Beckmann: Institute of Nanotechnology, Karlsruhe Institute of Technology
Hilbert von Löhneysen: Institute of Nanotechnology, Karlsruhe Institute of Technology
Ralph Krupke: Institute of Nanotechnology, Karlsruhe Institute of Technology
Anton Akhmerov: Kavli Institute of Nanoscience, Delft University of Technology
Igor Gornyi: Institute of Nanotechnology, Karlsruhe Institute of Technology
Romain Danneau: Institute of Nanotechnology, Karlsruhe Institute of Technology

DOI: https://doi.org/10.1038/s41467-018-04153-4
Journal volume & issue: Vol. 9, no. 1
pp. 1 – 8

Abstract

Read online

The Josephson effect is at the core of superconducting devices. Here, the authors demonstrate control of spatial confinement, amplitude, and density profile of supercurrents in one-dimensional nanoscale constrictions within graphene bilayers.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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