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Preparation of Superconducting thin Films of High Tc Cuprates by a Novel Spin-on/Pyrolysis Technique

Published online by Cambridge University Press:  28 February 2011

C. E. Rice ,
R. B. Van Dover  and
G. J. Fisanick
C. E. Rice
Affiliation:
AT&T Bell Laboratories, 600 Mountain Ave., Murray Hill, NJ 07974
R. B. Van Dover
Affiliation:
AT&T Bell Laboratories, 600 Mountain Ave., Murray Hill, NJ 07974
G. J. Fisanick
Affiliation:
AT&T Bell Laboratories, 600 Mountain Ave., Murray Hill, NJ 07974
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Abstract

Superconducting thin films of high Tc cuprates have been prepared using wet chemical precursors, which are spun on a substrate, pyrolyzed and heat-treated. This new method is simple and inexpensive, and is easily amenable to scale-up to cover large areas. No vacuum equipment is required. The technique allows easy manipulation of film stoichiometry and gives films having excellent compositional uniformity. A 1600 A film of Ba2YCu3O7 prepared by this method had a room temperature resistivity of 500/xfzcm, Tc/(onset) of 90K, and R=0 at 58K. The preparation and electrical and microstructural characterization of thin films of Ba2YCu3O7 and other high TC cuprates will be discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 99: Symposium AA – High-Temperature Superconductors , 1987 , 677
Copyright
Copyright © Materials Research Society 1988

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References

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