All-high T c Josephson tunnel junction: Ba1−xKxBiO3/Ba1−xKxBiO3 junctions
- 7 January 1991
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 58 (1), 95-96
- https://doi.org/10.1063/1.104402
Abstract
We have fabricated all‐high Tc superconducting tunnel junctions in the material Ba1−xKxBiO3. The junctions are of very high quality and have a Josephson supercurrent. For the low‐resistance junctions, the IcR product approaches the theoretical limit.Keywords
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