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Nanomaterials, volume 13, issue 12, pages 1873

Contribution of Processes in SN Electrodes to the Transport Properties of SN-N-NS Josephson Junctions

Ruzhickiy V.I. ^{1, 2, 3}

Bakurskiy S.V. ^{1, 3}

Kupriyanov Mikhail Yu. ^{1, 3}

Klenov Nikolay V. ^{3, 4}

Soloviev Igor I. ^{1, 3}

Stolyarov V. S. ^{2, 3, 5}

Golubov Alexander A. ^{5, 6}

Hide authors affiliations Show authors affiliations: 6 affiliations

Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 119991 Moscow, Russia |

Dukhov All-Russia Research Institute of Automatics, 101000 Moscow, Russia |

National University of Science and Technology MISIS, 119049 Moscow, Russia |

⁴

Faculty of Physics, Moscow State University, 119991 Moscow, Russia |

⁵

Center for Advanced Mesoscience and Nanotechnology, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia |

⁶

Faculty of Science and Technology, MESA+ Institute for Nanotechnology, University of Twente, 7500 AE Enschede, The Netherlands |

Publication type: Journal Article

Publication date: 2023-06-16

Multidisciplinary Digital Publishing Institute (MDPI)

Journal: Nanomaterials

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Quartile WOS

Impact factor: 5.3

ISSN: 20794991

DOI: 10.3390/nano13121873

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General Chemical Engineering

General Materials Science

Abstract

In this paper, we present a theoretical study of electronic transport in planar Josephson Superconductor–Normal Metal–Superconductor (SN-N-NS) bridges with arbitrary transparency of the SN interfaces. We formulate and solve the two-dimensional problem of finding the spatial distribution of the supercurrent in the SN electrodes. This allows us to determine the scale of the weak coupling region in the SN-N-NS bridges, i.e., to describe this structure as a serial connection between the Josephson contact and the linear inductance of the current-carrying electrodes. We show that the presence of a two-dimensional spatial current distribution in the SN electrodes leads to a modification of the current–phase relation and the critical current magnitude of the bridges. In particular, the critical current decreases as the overlap area of the SN parts of the electrodes decreases. We show that this is accompanied by a transformation of the SN-N-NS structure from an SNS-type weak link to a double-barrier SINIS contact. In addition, we find the range of interface transparency in order to optimise device performance. The features we have discovered should have a significant impact on the operation of small-scale superconducting electronic devices, and should be taken into account in their design.

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Nanomaterials	Nanomaterials, 1, 50% Nanomaterials 1 publication, 50%
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Ruzhickiy V. et al. Contribution of Processes in SN Electrodes to the Transport Properties of SN-N-NS Josephson Junctions // Nanomaterials. 2023. Vol. 13. No. 12. p. 1873.

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Ruzhickiy V., Bakurskiy S., Kupriyanov M. Y., Klenov N. V., Soloviev I. I., Stolyarov V. S., Golubov A. A. Contribution of Processes in SN Electrodes to the Transport Properties of SN-N-NS Josephson Junctions // Nanomaterials. 2023. Vol. 13. No. 12. p. 1873.

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TY - JOUR

DO - 10.3390/nano13121873

UR - https://doi.org/10.3390%2Fnano13121873

TI - Contribution of Processes in SN Electrodes to the Transport Properties of SN-N-NS Josephson Junctions

T2 - Nanomaterials

AU - Ruzhickiy, V.I.

AU - Bakurskiy, S.V.

AU - Kupriyanov, Mikhail Yu.

AU - Klenov, Nikolay V.

AU - Soloviev, Igor I.

AU - Stolyarov, V. S.

AU - Golubov, Alexander A.

PY - 2023

DA - 2023/06/16 00:00:00

PB - Multidisciplinary Digital Publishing Institute (MDPI)

SP - 1873

IS - 12

VL - 13

SN - 2079-4991

ER -

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@article{2023_Ruzhickiy,

author = {V.I. Ruzhickiy and S.V. Bakurskiy and Mikhail Yu. Kupriyanov and Nikolay V. Klenov and Igor I. Soloviev and V. S. Stolyarov and Alexander A. Golubov},

title = {Contribution of Processes in SN Electrodes to the Transport Properties of SN-N-NS Josephson Junctions},

journal = {Nanomaterials},

year = {2023},

volume = {13},

publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},

month = {jun},

url = {https://doi.org/10.3390%2Fnano13121873},

number = {12},

pages = {1873},

doi = {10.3390/nano13121873}

}

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Ruzhickiy, V.I., et al. “Contribution of Processes in SN Electrodes to the Transport Properties of SN-N-NS Josephson Junctions.” Nanomaterials, vol. 13, no. 12, Jun. 2023, p. 1873. https://doi.org/10.3390%2Fnano13121873.

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Publisher

Multidisciplinary Digital Publishing Institute (MDPI)

Journal

Nanomaterials

Quartile SCImago

Quartile WOS

Impact factor

5.3

ISSN

20794991 (Electronic)

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