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Proceedings Paper

Example of how an unconventional order parameter symmetry may open new perspectives in the design of HTS Josephson junctions
Author(s): Francesco Tafuri; Filomena Lombardi; F. Miletto Granozio; F. Carillo; Fabrizio Riccia; U. Scotti di Uccio; A. C. Barone; J. R. Kirtley
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Paper Abstract

We present various concepts and experimental procedures to fabricate biepitaxial YBa2Cu3O7-x grain boundary Josephson junctions. Different types of structures can be realized including "π-loops" in which one of the junctions is intrinsically π-phase shifted. Due to its versatility the biepitaxial technique offers the possibility to investigate basic aspects of the physics of grain boundary Josephson junctions, and also the influence of intrinsic and extrinsic d-wave induced effects in transport propertis. Further, we discuss the possibility to produce circuits in which "0-" and "π- loops" are controllably located on the same chip, and intrinsic d-wave effects can be exploited.

Paper Details

Date Published: 7 November 2002
PDF: 8 pages
Proc. SPIE 4811, Superconducting and Related Oxides: Physics and Nanoengineering V, (7 November 2002); doi: 10.1117/12.457699
Show Author Affiliations
Francesco Tafuri, INFM (Italy)
Univ. di Napoli Federico II (Italy)
Filomena Lombardi, INFM (Italy)
Univ. di Napoli Federico II (Italy)
F. Miletto Granozio, INFM (Italy)
Univ. di Napoli Federico II (Italy)
F. Carillo, INFM (Italy)
Univ. di Napoli Federico II (Italy)
Fabrizio Riccia, INFM (Italy)
Univ. di Napoli Federico II (Italy)
U. Scotti di Uccio, INFM (Italy)
Univ. di Napoli Federico II (Italy)
A. C. Barone, INFM (Italy)
Univ. di Napoli Federico II (Italy)
J. R. Kirtley, IBM Thomas J. Watson Research Ctr. (United States)


Published in SPIE Proceedings Vol. 4811:
Superconducting and Related Oxides: Physics and Nanoengineering V
Ivan Bozovic; Davor Pavuna, Editor(s)

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