Josephson junction structure

Superconductor technology: apparatus – material – process – High temperature devices – systems – apparatus – com- ponents,... – Josephson junction – per se or josephson junction with only...


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505238, 505329, 505700, 505702, 505780, 505779, 505874, 257 31, 257 32, 257 33, H01L 3912, H01L 3922, H01B 1200




The disclosure relates to a Josephson junction formed by a non-superconducting barrier between two superconducting films of the (R) BaCuO (R=rare earth) group. In order to take advantage of the greater coherence length of superconductors along the CuO planes, i.e. perpendicularly to the long axis "c" of the crystal unit cell, the superconducting film is oriented so that the axis "c" is parallel to the plane of the junction. The device can be applied to Josephson junctions and to SQUIDs.

patent: 4952526 (1990-08-01), Pribat et al.
patent: 5053833 (1991-10-01), Pribat et al.
patent: 5090932 (1992-02-01), Dieumegard et al.
Applied Physics Letters vol. 56, No. 15, Apr. 9, 1990, New York U.S.; pp. 1487-1489; H. Akoh, et al.: "Anisotropic Josephson Junction of Y-BA-CU-O/AU/NB Film Sandwiches".


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