Institute of Electrical and Electronics Engineers (IEEE)

IEEE Transactions on Applied Superconductivity

, volume 7 , issue 2 , pages 2805-2808

Characterization of NbN/AlN/NbN tunnel junctions fabricated without intentional heating

N.N Iosad ¹

D.V Balashov ²

Mikhail Yu. Kupriyanov ³

С. Н. Поляков ³

V. V. Roddatis ⁴

Hide authors affiliations Show authors affiliations: 4 affiliations

Inst. of Radioelectron., Acad. of Sci., Moscow, Russia |

Russian Academy of Science, Moscow, Russia |

Institute of Nuclear Physics, Moscow State University, Moscow, Russia |

⁴

Institute of Crystallography, Russian academy of Sciences, Moscow, Russia |

Publication type: Journal Article

Publication date: 1997-06-01

Institute of Electrical and Electronics Engineers (IEEE)

IEEE Transactions on Applied Superconductivity

scimago Q2

wos Q3

SJR: 0.508

CiteScore: 3.4

Impact factor: 1.8

ISSN: 10518223, 15582515, 23787074

DOI: 10.1109/77.621820

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Electronic, Optical and Magnetic Materials

Condensed Matter Physics

Electrical and Electronic Engineering

Abstract

We have fabricated by SNEP process Nb/Al/NbN/AlN/NbN Josephson junctions with the gap voltage V/sub g/=2/spl Delta//e/spl ap/4.0 mV, subgap leakage R/sub sg//R/sub n//spl ap/6.0, current density measured at the gap current rise J/sub g//spl ap/1.5 kA/cm/sup 2/. The (111)-textured NbN with transition temperature T/sub c//spl ap/16 K have been deposited at ambient substrate temperature. Phase composition and structure of the NbN films were investigated by X-ray diffraction analysis (XRD). It was found that the films have a structure close to the cubic /spl delta/-NbN (JCPDS card N38-11556) and the phase composition and intrinsic stress in NbN depend on Ar and N/sub 2/ partial pressure during DC magnetron sputtering. Cross-sectional TEM analysis showed that in-situ deposition of thin Al layer in the base Nb/Al/NbN electrode provides effective planarization of its surface and the result in improvement of tunnel junction parameters.

Found

2 citations

Kupriyanov Mikhail

DSc in Physics and Mathematics, professor

231 publications, 5 722 citations

h-index: 35

Lomonosov Moscow State University

Research interests

Proximity effect

2 citations

Golubov Alexander

DSc in Physics and Mathematics, professor

409 publications, 15 021 citations, 17 reviews

h-index: 57

Moscow Institute of Physics and Technology

University of Twente

Research interests

Quantum Physics

Superconducting electronics

Superconductivity

Topological insulator

1 citation

Koshelets Valery

DSc in Physics and Mathematics, professor

308 publications, 4 036 citations, 36 reviews

h-index: 32

Kotelnikov Institute of Radioengineering and Electronics of the Russian Academy of Sciences

Research interests

Superconducting electronics

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Iosad N. et al. Characterization of NbN/AlN/NbN tunnel junctions fabricated without intentional heating // IEEE Transactions on Applied Superconductivity. 1997. Vol. 7. No. 2. pp. 2805-2808.

GOST all authors (up to 50) Copy

Iosad N., Balashov D., Kupriyanov M. Y., Поляков С. Н., Roddatis V. V. Characterization of NbN/AlN/NbN tunnel junctions fabricated without intentional heating // IEEE Transactions on Applied Superconductivity. 1997. Vol. 7. No. 2. pp. 2805-2808.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1109/77.621820

UR - https://doi.org/10.1109/77.621820

TI - Characterization of NbN/AlN/NbN tunnel junctions fabricated without intentional heating

T2 - IEEE Transactions on Applied Superconductivity

AU - Iosad, N.N

AU - Balashov, D.V

AU - Kupriyanov, Mikhail Yu.

AU - Поляков, С. Н.

AU - Roddatis, V. V.

PY - 1997

DA - 1997/06/01

PB - Institute of Electrical and Electronics Engineers (IEEE)

SP - 2805-2808

IS - 2

VL - 7

SN - 1051-8223

SN - 1558-2515

SN - 2378-7074

ER -

BibTex |

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BibTex (up to 50 authors) Copy

@article{1997_Iosad,

author = {N.N Iosad and D.V Balashov and Mikhail Yu. Kupriyanov and С. Н. Поляков and V. V. Roddatis},

title = {Characterization of NbN/AlN/NbN tunnel junctions fabricated without intentional heating},

journal = {IEEE Transactions on Applied Superconductivity},

year = {1997},

volume = {7},

publisher = {Institute of Electrical and Electronics Engineers (IEEE)},

month = {jun},

url = {https://doi.org/10.1109/77.621820},

number = {2},

pages = {2805--2808},

doi = {10.1109/77.621820}

}

MLA

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MLA Copy

Iosad, N.N, et al. “Characterization of NbN/AlN/NbN tunnel junctions fabricated without intentional heating.” IEEE Transactions on Applied Superconductivity, vol. 7, no. 2, Jun. 1997, pp. 2805-2808. https://doi.org/10.1109/77.621820.