Environment-induced overheating phenomena in Au-nanowire based Josephson junctions

Unlike conventional planar Josephson junctions, nanowire-based devices have a bridge geometry with a peculiar coupling to environment that can favor non-equilibrium electronic phenomena. Here we measure the influence of the electron bath overheating on critical current of several bridge-like junctio...

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Bibliographic Details
Published in:Scientific reports 2021-07, Vol.11 (1), p.15274-15274, Article 15274
Main Authors: Skryabina, O. V., Bakurskiy, S. V., Shishkin, A. G., Klimenko, A. A., Napolskii, K. S., Klenov, N. V., Soloviev, I. I., Ryazanov, V. V., Golubov, A. A., Roditchev, D., Kupriyanov, M. Yu, Stolyarov, V. S.
Format: Article
Language:English
Subjects:
639/766/119/1003
639/766/119/995
Humanities and Social Sciences
multidisciplinary
Nanotechnology
Nanowires
Physics
Science
Science (multidisciplinary)
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Summary:Unlike conventional planar Josephson junctions, nanowire-based devices have a bridge geometry with a peculiar coupling to environment that can favor non-equilibrium electronic phenomena. Here we measure the influence of the electron bath overheating on critical current of several bridge-like junctions built on a single Au-nanowire. Using the Usadel theory and applying the two-fluid description for the normal and superconducting components of the flowing currents, we reveal and explain the mutual influence of the neighbouring junctions on their characteristics through various processes of the electron gas overheating. Our results provide additional ways to control nanowire-based superconducting devices.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-021-94720-5