Nano Letters, volume 15, issue 3, pages 1803-1808

Pb/InAs Nanowire Josephson Junction with High Critical Current and Magnetic Flux Focusing

J. Paajaste ¹

M Amado ¹

S. Roddaro ¹

F.S. Bergeret ^{2, 3}

Daniele Ercolani ¹

L. Sorba ¹

F. Giazotto ¹

Hide authors affiliations Show authors affiliations: 3 affiliations

NEST, Istituto Nanoscienze-CNR and Scuola Normale Superiore, I-56127 Pisa, Italy

Istituto Nanoscienze

Scuola Normale Superiore

Centro de Fisica de Materiales (CFM-MPC), Centro Mixto CSIC-UPV/EHU, E-20018 San Sebastian, Spain

Centro de Física de Materiales

University of the Basque Country

Polytechnic University of Valencia

Donostia International Physics Center (DIPC), E-20018 San Sebastian, Spain |

Publication type: Journal Article

Publication date: 2015-02-16

American Chemical Society (ACS)

Journal: Nano Letters

Quartile SCImago

Quartile WOS

Impact factor: 9.6

ISSN: 15306984, 15306992

DOI: 10.1021/nl504544s

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General Chemistry

Condensed Matter Physics

General Materials Science

Mechanical Engineering

Bioengineering

Abstract

We have studied mesoscopic Josephson junctions formed by highly $n$-doped InAs nanowires and superconducting Ti/Pb source and drain leads. The current-voltage properties of the system are investigated by varying temperature and external out-of-plane magnetic field. Superconductivity in the Pb electrodes persists up to $ \sim 7$ K and with magnetic field values up to 0.4 T. Josephson coupling at zero backgate voltage is observed up to 4.5 K and the critical current is measured to be as high as 615 nA. The supercurrent suppression as a function of the magnetic field reveals a diffraction pattern that is explained by a strong magnetic flux focusing provided by the superconducting electrodes forming the junction.

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Paajaste J. et al. Pb/InAs Nanowire Josephson Junction with High Critical Current and Magnetic Flux Focusing // Nano Letters. 2015. Vol. 15. No. 3. pp. 1803-1808.

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Paajaste J., Amado M., Roddaro S., Bergeret F., Ercolani D., Sorba L., Giazotto F. Pb/InAs Nanowire Josephson Junction with High Critical Current and Magnetic Flux Focusing // Nano Letters. 2015. Vol. 15. No. 3. pp. 1803-1808.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1021/nl504544s

UR - https://doi.org/10.1021/nl504544s

TI - Pb/InAs Nanowire Josephson Junction with High Critical Current and Magnetic Flux Focusing

T2 - Nano Letters

AU - Paajaste, J.

AU - Amado, M

AU - Roddaro, S.

AU - Bergeret, F.S.

AU - Ercolani, Daniele

AU - Sorba, L.

AU - Giazotto, F.

PY - 2015

DA - 2015/02/16

PB - American Chemical Society (ACS)

SP - 1803-1808

IS - 3

VL - 15

SN - 1530-6984

SN - 1530-6992

ER -

BibTex |

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BibTex Copy

@article{2015_Paajaste,

author = {J. Paajaste and M Amado and S. Roddaro and F.S. Bergeret and Daniele Ercolani and L. Sorba and F. Giazotto},

title = {Pb/InAs Nanowire Josephson Junction with High Critical Current and Magnetic Flux Focusing},

journal = {Nano Letters},

year = {2015},

volume = {15},

publisher = {American Chemical Society (ACS)},

month = {feb},

url = {https://doi.org/10.1021/nl504544s},

number = {3},

pages = {1803--1808},

doi = {10.1021/nl504544s}

}

MLA

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MLA Copy

Paajaste, J., et al. “Pb/InAs Nanowire Josephson Junction with High Critical Current and Magnetic Flux Focusing.” Nano Letters, vol. 15, no. 3, Feb. 2015, pp. 1803-1808. https://doi.org/10.1021/nl504544s.

Found error?

Publisher

American Chemical Society (ACS)

Journal

Nano Letters

Quartile SCImago

Quartile WOS

Impact factor

9.6

ISSN

15306984 (Print)

15306992 (Electronic)