Josephson supercurrent in Nb/InN-nanowire/Nb junctions

Frielinghaus, R., Batov, I.E., Weides, M. , Kohlstedt, H., Calarco, R. and Schäpers, T. (2010) Josephson supercurrent in Nb/InN-nanowire/Nb junctions. Applied Physics Letters, 96(13), 132504. (doi:10.1063/1.3377897)

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Abstract

We experimentally studied the Josephson supercurrent in Nb/InN-nanowire/Nb junctions. Large critical currents up to 5.7 μA have been achieved, which proves the good coupling of the nanowire to the superconductor. The effect of a magnetic field perpendicular to the plane of the Josephson junction on the critical current has been studied. The observed monotonous decrease in the critical current with magnetic field is explained by the magnetic pair-breaking effect in planar Josephson junctions of ultra-narrow width [J. C. Cuevas and F. S. Bergeret, Phys. Rev. Lett. 99, 217002 (2007)].

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Weides, Professor Martin
Authors: Frielinghaus, R., Batov, I.E., Weides, M., Kohlstedt, H., Calarco, R., and Schäpers, T.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Applied Physics Letters
Publisher:AIP Publishing
ISSN:0003-6951
ISSN (Online):1077-3118
Published Online:01 April 2010

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