Example of how an unconventional order parameter symmetry may open new perspectives in the design of HTS Josephson junctions

Francesco Tafuri; Filomena Lombardi; F. Miletto Granozio; F. Carillo; Fabrizio Riccia; U. Scotti di Uccio; A. C. Barone; J. R. Kirtley

doi:10.1117/12.457699

7 November 2002 Example of how an unconventional order parameter symmetry may open new perspectives in the design of HTS Josephson junctions

Francesco Tafuri, Filomena Lombardi, F. Miletto Granozio, F. Carillo, Fabrizio Riccia, U. Scotti di Uccio, A. C. Barone, J. R. Kirtley

Author Affiliations +

Proceedings Volume 4811, Superconducting and Related Oxides: Physics and Nanoengineering V; (2002) https://doi.org/10.1117/12.457699
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

We present various concepts and experimental procedures to fabricate biepitaxial YBa₂Cu₃O_7-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.

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Francesco Tafuri, Filomena Lombardi, F. Miletto Granozio, F. Carillo, Fabrizio Riccia, U. Scotti di Uccio, A. C. Barone, and J. R. Kirtley "Example of how an unconventional order parameter symmetry may open new perspectives in the design of HTS Josephson junctions", Proc. SPIE 4811, Superconducting and Related Oxides: Physics and Nanoengineering V, (7 November 2002); https://doi.org/10.1117/12.457699

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