Superconductor Science and Technology, volume 30, issue 9, pages 95013
Weak link nanobridges as single flux quantum elements
1
National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, United Kingdom.
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Publication type: Journal Article
Publication date: 2017-08-15
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 3.6
ISSN: 09532048, 13616668
Materials Chemistry
Metals and Alloys
Ceramics and Composites
Condensed Matter Physics
Electrical and Electronic Engineering
Abstract
This paper investigates the feasibility of using weak link nanobridges as Josephson junction elements for the purpose of creating Josephson circuits. We demonstrate the development of a single-step electron beam lithography procedure to fabricate niobium nanobridges with dimensions down to . The single-step process facilitates fabrication that is scalable to complex circuits that require many junctions. We measure the IV-characteristics (IVC) of the nanobridges between temperatures of and and find agreement with numerical simulations and the analytical resistively shunted junction (RSJ) model. Furthermore, we investigate the behaviour of the nanobridges under rf irradiation and observe the characteristic microwave-induced Shapiro steps. Our simulated IVC under rf irradiation using both the RSJ model and circuit simulator JSIM are in agreement with the experimental data. As a potential use of nanobridges in circuits requiring many junctions, we investigate the theoretical performance of a nanobridge-based Josephson comparator circuit using JSIM.
Top-30
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2 publications, 15.38%
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1 publication, 7.69%
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1 publication, 7.69%
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Citations by publishers
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4
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IEEE
4 publications, 30.77%
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IOP Publishing
3 publications, 23.08%
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American Physical Society (APS)
2 publications, 15.38%
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Multidisciplinary Digital Publishing Institute (MDPI)
2 publications, 15.38%
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Springer Nature
1 publication, 7.69%
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Treatise
1 publication, 7.69%
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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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Shelly C. D. et al. Weak link nanobridges as single flux quantum elements // Superconductor Science and Technology. 2017. Vol. 30. No. 9. p. 95013.
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Shelly C. D., See P., Ireland J., Romans E., Williams J. Weak link nanobridges as single flux quantum elements // Superconductor Science and Technology. 2017. Vol. 30. No. 9. p. 95013.
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TY - JOUR
DO - 10.1088/1361-6668/aa80cd
UR - https://doi.org/10.1088/1361-6668/aa80cd
TI - Weak link nanobridges as single flux quantum elements
T2 - Superconductor Science and Technology
AU - Shelly, Connor D.
AU - See, Patrick
AU - Ireland, Jane
AU - Romans, E.J
AU - Williams, J.M.
PY - 2017
DA - 2017/08/15
PB - IOP Publishing
SP - 95013
IS - 9
VL - 30
SN - 0953-2048
SN - 1361-6668
ER -
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@article{2017_Shelly,
author = {Connor D. Shelly and Patrick See and Jane Ireland and E.J Romans and J.M. Williams},
title = {Weak link nanobridges as single flux quantum elements},
journal = {Superconductor Science and Technology},
year = {2017},
volume = {30},
publisher = {IOP Publishing},
month = {aug},
url = {https://doi.org/10.1088/1361-6668/aa80cd},
number = {9},
pages = {95013},
doi = {10.1088/1361-6668/aa80cd}
}
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Shelly, Connor D., et al. “Weak link nanobridges as single flux quantum elements.” Superconductor Science and Technology, vol. 30, no. 9, Aug. 2017, p. 95013. https://doi.org/10.1088/1361-6668/aa80cd.