Applied Physics Letters, volume 110, issue 22, pages 222605

Josephson coupling across a long single-crystalline Cu nanowire

O.V. Skryabina ^{1, 2}

S. V. Egorov ^{1, 3}

A. S. Goncharova ⁴

A.A. Klimenko ⁴

S N Kozlov ^{1, 5}

V V Ryazanov ^{1, 2, 3, 6}

S V Bakurskiy ^{2, 6, 7}

M Yu Kupriyanov ^{2, 6, 7, 8}

A. A. Golubov ^{2, 9}

Kirill S. Napolskii ^{4, 10}

V. S. Stolyarov ^{1, 2, 5, 8}

Show full list: 11 authors

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Institute of Solid State Physics RAS 1 , 142432 Chernogolovka, Russia |

Moscow Institute of Physics and Technology 2 , 141700 Dolgoprudny, Russia |

Russian Quantum Center 3 , Skolkovo, Moscow Region, 143025, Russia |

⁴

Department of Materials Science, MSU 4 , 119991 Moscow, Russia |

⁵

Fundamental Physical and Chemical Engineering Department, MSU 5 , 119991 Moscow, Russia |

⁶

National University of Science and Technology MISIS 6 , 4 Leninsky prosp., 119049 Moscow, Russia |

⁷

Skobeltsyn Institute of Nuclear Physics, MSU 7 , 119991 Moscow, Russia |

⁸

Solid State Physics Department, KFU 8 , 420008 Kazan, Russia |

⁹

Faculty of Science and Technology and MESA+ Institute of Nanotechnology 9 , 7500 AE Enschede, The Netherlands |

¹⁰

Department of Chemistry, MSU 10 , 119991 Moscow, Russia |

Publication type: Journal Article

Publication date: 2017-05-29

AIP Publishing

Journal: Applied Physics Letters

scimago Q1

SJR: 0.976

CiteScore: 6.4

Impact factor: 3.5

ISSN: 00036951, 10773118

DOI: 10.1063/1.4984605

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Physics and Astronomy (miscellaneous)

Abstract

We report on a fabrication method and electron-transport measurements for submicron Josephson junctions formed by Cu nanowires coupling to superconducting planar Nb electrodes. The Cu nanowires with a resistivity of ρCu≃1 μΩ cm at low temperatures consisting of single-crystalline segments have been obtained by templated electrodeposition using anodic aluminum oxide as a porous matrix. The current-voltage characteristics of the devices have been studied as a function of temperature and magnetic field. For all junctions, the critical current monotonically decreases with a magnetic field. The measured temperature and magnetic field dependencies are consistent with the model for one-dimensional diffusive superconductor/normal metal/superconductor (SNS) Josephson junctions within the quasiclassical theory of superconductivity.

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AIP Publishing

Journal

Applied Physics Letters

scimago Q1

SJR

0.976

CiteScore

6.4

Impact factor

3.5

ISSN

00036951 (Print)

10773118 (Electronic)

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