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Active and Passive Electronic Components
Volume 15 (1993), Issue 3-4, Pages 117-138
http://dx.doi.org/10.1155/1993/29209

Relationship Among Preparation, Structure and Superconductivity in Ti-Ca-Ba-Cu-O Compounds

1Department for Low Temperature Physics, Eötvös University, Budapest, Hungary
2Microelectronics Laboratory, University of Oulu, Oulu, Finland

Received 15 November 1992; Accepted 16 December 1992

Copyright © 1993 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Analysis of a comprehensive set of experimental results has proven the substantial effect of the precise preparation conditions upon the structure and superconducting parameters of Ti-Ca-Ba-Cu-O samples. The techniques required for the preparation of specimens of single phase and long-term stability, together with methods for improvement of the characteristic parameters have been determined. Comparing results derived from samples prepared by different methods has allowed the quantitative differences of the characteristic parameters to be evaluated.