Nano Letters

, том 22 , издание 14 , страницы 5715-5722

Revealing Josephson Vortex Dynamics in Proximity Junctions below Critical Current

Тип публикации: Journal Article

Дата публикации: 2022-07-12

American Chemical Society (ACS)

Nano Letters

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SJR: 2.967

CiteScore: 14.9

Impact factor: 9.1

ISSN: 15306984, 15306992

DOI: 10.1021/acs.nanolett.2c00647

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PubMed ID: 35820103

General Chemistry

Condensed Matter Physics

General Materials Science

Mechanical Engineering

Bioengineering

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Made of a thin non-superconducting metal (N) sandwiched by two superconductors (S), SNS Josephson junctions enable novel quantum functionalities by mixing up the intrinsic electronic properties of N with the superconducting correlations induced from S by proximity. Electronic properties of these devices are governed by Andreev quasiparticles (Andreev, A. Sov. Phys. JETP 1965, 20, 1490) which are absent in conventional SIS junctions whose insulating barrier (I) between the two S electrodes owns no electronic states. Here we focus on the Josephson vortex (JV) motion inside Nb-Cu-Nb proximity junctions subject to electric currents and magnetic fields. The results of local (magnetic force microscopy) and global (transport) experiments provided simultaneously are compared with our numerical model, revealing the existence of several distinct dynamic regimes of the JV motion. One of them, identified as a fast hysteretic entry/escape below the critical value of Josephson current, is analyzed and suggested for low-dissipative logic and memory elements.

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Stolyarov V. S. et al. Revealing Josephson Vortex Dynamics in Proximity Junctions below Critical Current // Nano Letters. 2022. Vol. 22. No. 14. pp. 5715-5722.

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Stolyarov V. S., Ruzhitskiy V., Hovhannisyan R. A., Grebenchuk S., Shishkin A. G., Skryabina O., Golovchanskiy I., Golubov A. A., Klenov N. V., Soloviev I. I., Kupriyanov M. Yu., Andriyash A., Roditchev D. Revealing Josephson Vortex Dynamics in Proximity Junctions below Critical Current // Nano Letters. 2022. Vol. 22. No. 14. pp. 5715-5722.

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TY - JOUR

DO - 10.1021/acs.nanolett.2c00647

UR - https://doi.org/10.1021/acs.nanolett.2c00647

TI - Revealing Josephson Vortex Dynamics in Proximity Junctions below Critical Current

T2 - Nano Letters

AU - Stolyarov, V. S.

AU - Ruzhitskiy, Vsevolod

AU - Hovhannisyan, Razmik A

AU - Grebenchuk, Sergey

AU - Shishkin, Andrey G

AU - Skryabina, O.V.

AU - Golovchanskiy, I.A.

AU - Golubov, Alexander A

AU - Klenov, Nikolay V

AU - Soloviev, Igor I

AU - Kupriyanov, Mikhail Yu

AU - Andriyash, Alexander

AU - Roditchev, Dimitri

PY - 2022

DA - 2022/07/12

PB - American Chemical Society (ACS)

SP - 5715-5722

IS - 14

VL - 22

PMID - 35820103

SN - 1530-6984

SN - 1530-6992

ER -

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@article{2022_Stolyarov,

author = {V. S. Stolyarov and Vsevolod Ruzhitskiy and Razmik A Hovhannisyan and Sergey Grebenchuk and Andrey G Shishkin and O.V. Skryabina and I.A. Golovchanskiy and Alexander A Golubov and Nikolay V Klenov and Igor I Soloviev and Mikhail Yu Kupriyanov and Alexander Andriyash and Dimitri Roditchev},

title = {Revealing Josephson Vortex Dynamics in Proximity Junctions below Critical Current},

journal = {Nano Letters},

year = {2022},

volume = {22},

publisher = {American Chemical Society (ACS)},

month = {jul},

url = {https://doi.org/10.1021/acs.nanolett.2c00647},

number = {14},

pages = {5715--5722},

doi = {10.1021/acs.nanolett.2c00647}

}

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Stolyarov, V. S., et al. “Revealing Josephson Vortex Dynamics in Proximity Junctions below Critical Current.” Nano Letters, vol. 22, no. 14, Jul. 2022, pp. 5715-5722. https://doi.org/10.1021/acs.nanolett.2c00647.