High-temperature superconducting superconductor/normal metal/superconducting devices

Marc C. Foote; Brian D. Hunt; Louis J. Bajuk

doi:10.1117/12.45608

1 July 1991 High-temperature superconducting superconductor/normal metal/superconducting devices

Marc C. Foote, Brian D. Hunt, Louis J. Bajuk

Proceedings Volume 1477, Superconductivity Applications for Infrared and Microwave Devices II; (1991) https://doi.org/10.1117/12.45608
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

We describe the fabrication and characterization of superconductor/normal metal/superconductor (SNS) devices made with the high-temperature superconductor (HTS) YBa2Cu3O(7-x). Structures of YBa2Cu3O(7-x)/Au/Nb on c-axis-oriented YBa2Cu3O(7-x) were made in both sandwich and edge geometries in order to sample the HTS material both along and perpendicular to the conducting a-b planes. These devices display fairly ideal Josephson properties at 4.2 K. In addition, devices consisting of YBa2Cu3O(7-x)/YBa2Cu3O(y)/YBa2Cu3O(7-x), with a 'normal metal' layer of reduced transition temperature YBa2Cu3O(7-x) were fabricated and show a great deal of promise for applications near 77 K. Current-voltage characteristics like those of the Resistively-Shunted Junction model are observed, with strong response to 10 GHz radiation above 60 K.

Citation Download Citation

Marc C. Foote, Brian D. Hunt, and Louis J. Bajuk "High-temperature superconducting superconductor/normal metal/superconducting devices", Proc. SPIE 1477, Superconductivity Applications for Infrared and Microwave Devices II, (1 July 1991); https://doi.org/10.1117/12.45608

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