Nature of critical current and coherent phenomena in granular MoN x thin films

V. G. Prokhorov; G. G. Kaminsky; Y. P. Lee; I. I. Kravchenko

doi:10.1063/1.1334438

Nature of critical current and coherent phenomena in granular MoN _x thin films

V. G. Prokhorov, G. G. Kaminsky, Y. P. Lee, I. I. Kravchenko

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2 Scopus citations

Abstract

Investigations of the critical current versus temperature and applied magnetic field are carried out for granular MoN_x films. All samples display a two-stage superconducting transition and can be treated as a percolating network of SNS contacts with a Josephson coupling between grains. The temperature behavior of the critical current for the films studies is the same as the I_c(T) dependence for a SNS junction in the diffusive limit. The value of critical current in a magnetic field is governed by the pinning of Josephson vortices.

Original language	English
Pages (from-to)	881-885
Number of pages	5
Journal	Low Temperature Physics
Volume	26
Issue number	12
DOIs	https://doi.org/10.1063/1.1334438
State	Published - Dec 2000
Externally published	Yes

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AB - Investigations of the critical current versus temperature and applied magnetic field are carried out for granular MoNx films. All samples display a two-stage superconducting transition and can be treated as a percolating network of SNS contacts with a Josephson coupling between grains. The temperature behavior of the critical current for the films studies is the same as the Ic(T) dependence for a SNS junction in the diffusive limit. The value of critical current in a magnetic field is governed by the pinning of Josephson vortices.

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Nature of critical current and coherent phenomena in granular MoN _x thin films

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