Open Access
Beilstein Journal of Nanotechnology, volume 11, pages 858-865
A Josephson junction based on a highly disordered superconductor/low-resistivity normal metal bilayer
P. M. Marychev
1
,
Publication type: Journal Article
Publication date: 2020-06-02
Journal:
Beilstein Journal of Nanotechnology
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 3.1
ISSN: 21904286, 21904286
PubMed ID:
32551211
General Physics and Astronomy
General Materials Science
Electrical and Electronic Engineering
Abstract
We calculate the current–phase relation (CPR) of a SN-S-SN Josephson junction based on a SN bilayer of variable thickness composed of a highly disordered superconductor (S) and a low-resistivity normal metal (N) with proximity-induced superconductivity. In such a junction, the N layer provides both a large concentration of phase in the weak link and good heat dissipation. We find that when the thickness of the S and the N layer and the length of the S constriction are about the superconducting coherence length the CPR is single-valued and can be close to a sinusoidal shape. The product IcRn can reach Δ(0)/2|e| (Ic is the critical current of the junction, Rn is its normal-state resistance, Δ(0) is the superconductor gap of a single S layer at zero temperature). Our calculations show, that the proper choice of the thickness of the N layer leads both to nonhysteretic current–voltage characteristics even at low temperatures and a relatively large product IcRn.
Top-30
Citations by journals
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Beilstein Journal of Nanotechnology
2 publications, 33.33%
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Physical Review Applied
1 publication, 16.67%
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Superconductor Science and Technology
1 publication, 16.67%
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Nanomaterials
1 publication, 16.67%
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Mesoscience and Nanotechnology
1 publication, 16.67%
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Citations by publishers
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2
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Beilstein-Institut
2 publications, 33.33%
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American Physical Society (APS)
1 publication, 16.67%
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IOP Publishing
1 publication, 16.67%
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 16.67%
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Treatise
1 publication, 16.67%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Marychev P. M., Vodolazov D. A Josephson junction based on a highly disordered superconductor/low-resistivity normal metal bilayer // Beilstein Journal of Nanotechnology. 2020. Vol. 11. pp. 858-865.
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Marychev P. M., Vodolazov D. A Josephson junction based on a highly disordered superconductor/low-resistivity normal metal bilayer // Beilstein Journal of Nanotechnology. 2020. Vol. 11. pp. 858-865.
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TY - JOUR
DO - 10.3762/bjnano.11.71
UR - https://doi.org/10.3762/bjnano.11.71
TI - A Josephson junction based on a highly disordered superconductor/low-resistivity normal metal bilayer
T2 - Beilstein Journal of Nanotechnology
AU - Marychev, P. M.
AU - Vodolazov, D.
PY - 2020
DA - 2020/06/02
PB - Beilstein-Institut
SP - 858-865
VL - 11
PMID - 32551211
SN - 2190-4286
SN - 2190-4286
ER -
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@article{2020_Marychev,
author = {P. M. Marychev and D. Vodolazov},
title = {A Josephson junction based on a highly disordered superconductor/low-resistivity normal metal bilayer},
journal = {Beilstein Journal of Nanotechnology},
year = {2020},
volume = {11},
publisher = {Beilstein-Institut},
month = {jun},
url = {https://doi.org/10.3762/bjnano.11.71},
pages = {858--865},
doi = {10.3762/bjnano.11.71}
}