Device and method providing weak links in a superconducting film

Details Device and method providing weak links in a superconducting film Device and method providing weak links in a superconducting film

1995-05-03

1998-11-03

Chaudhuri, Olik

Active solid-state devices (e.g., transistors, solid-state diode

Thin active physical layer which is

Tunneling through region of reduced conductivity

257 28, 257 32, 257 35, 505233, 505234, 505237, 505239, H01L 2906, H01L 3922, H01L 310256, H01B 1200

Patent

active

058312790

ABSTRACT:
A device with weak links (Josephson junctions) in a superconducting film has two single crystals connected through an interconnecting arrangement that may have one or more sublayers. At least two grain boundaries or at least one barrier are/is formed in the substrate.

REFERENCES:
patent: 4980341 (1990-12-01), Gehring
patent: 5278140 (1994-01-01), Chaudhari et al.
patent: 5339457 (1994-08-01), Kawasaki et al.
patent: 5472934 (1995-12-01), Akoh et al.
P. Chaudhari et al., "Direct Measurement of the Superconducting Properties of Single Grain Boundaries in Y.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-.delta., " Physical Review Letters, vol. 60, No. 16, pp. 1653-1656 (Apr. 18, 1988).
P.G. Quincey, "High T.sub.c Josephson junctions combining a grain boundary and local strain, using NdGaO.sub.3 bicrystal substrates," Appl. Phys. Lett., vol. 64, No. 4, pp. 517-519 (Jan. 24, 1994).
E.A. Stepantsov et al., "On the Possibility of Usage of Crystalline Composites in Investigations of High-T.sub.c Superconductivity," Physica Scripta, vol. 44, pp. 102-104 (1991).
N. Tomita et al., "Preparation of Bycrystal in a Bi-Sr-Ca-Cu-O Superconductor," Japanese Journal of Applied Physics, vol. 29, No. 1, pp. L30-L32 (Jan. 1990).

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