High-resistivity superconductor-normal-superconductor junctions for an AC Josephson voltage standard

We report here the status of development of our Nb/Al/Nb SNS Josephson junctions to be used as superconducting D/A converters. The electrical behaviour and the morphology of these Nb/Al/Nb junctions are strongly dependent on the deposition rate of the Al barrier. Junctions fabricated at a high rate of 5 nm/s have stable and reproducible properties. A possible interpretation of the effect of the Al morphology on the electrical behaviour of the junctions is given.

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High-resistivity superconductor-normal-superconductor junctions for an AC Josephson voltage standard

Cited by 3 publications

References 10 publications

The Atomic Structure of Oxide/Oxide Interface

The Atomic Structure of Oxide/Oxide Interface

Nb/Al/Nb junctions with a wide range of characteristic voltages for superconducting electronic applications

DEVELOPMENT OF A Nb/Al TECHNOLOGY FOR SNS JOSEPHSON JUNCTIONS

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