Insulators for YBa2Cu3O7 Josephson junction technology

Because ideal PrBa2Cu3O7 superconducts at 90 K, it should be replaced by RBa2-u Sr u Cu2MO8 (where R is a light-mass rare earth and M is Nb or, preferably, Ta) as the insulator of choice for YBa2Cu3O7 Josephson junction or microstructure technology. Furthermore, (110)- or (100)-oriented substrates o...

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Bibliographic Details
Published in:Journal of superconductivity 2004-06, Vol.17 (3), p.379-382
Main Authors: DOW, John D, BLACKSTEAD, Howard A
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Physics
Proximity effects, weak links, tunneling phenomena, and josephson effects, adreev effect, sn and sns junctions
Superconductivity
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Summary:Because ideal PrBa2Cu3O7 superconducts at 90 K, it should be replaced by RBa2-u Sr u Cu2MO8 (where R is a light-mass rare earth and M is Nb or, preferably, Ta) as the insulator of choice for YBa2Cu3O7 Josephson junction or microstructure technology. Furthermore, (110)- or (100)-oriented substrates of RSr2Cu2MO8 may provide an opportunity for optimal device fabrication.
ISSN:0896-1107
1572-9605
DOI:10.1023/b:josc.0000034262.20184.93