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Characterization of DyBa2Cu3O7+δ thin Films Prepared by Ozone-Assisted Co-Evaporation Technique

Published online by Cambridge University Press:  26 February 2011

T. J. Hsieh ,
R. V. Smilgys ,
C. K. Chiang ,
S. W. Robey ,
R. J. Arsenault  and
L. Salamanca-Riba
T. J. Hsieh
Affiliation:
NIST, Gaithersburg, MD. Dept. of Materials and Nuclear Engineering, University of Maryland, College Park, MD.
R. V. Smilgys
Affiliation:
NIST, Gaithersburg, MD.
C. K. Chiang
Affiliation:
NIST, Gaithersburg, MD.
S. W. Robey
Affiliation:
NIST, Gaithersburg, MD.
R. J. Arsenault
Affiliation:
Dept. of Materials and Nuclear Engineering, University of Maryland, College Park, MD.
L. Salamanca-Riba
Affiliation:
Dept. of Materials and Nuclear Engineering, University of Maryland, College Park, MD.
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Abstract

Superconducting thin films of DyBa2Cu3O7-δ_ are deposited on MgO(100) substrates by an ozone-assisted coevaporation technique. At a relatively low substrate temperature (610°C) and with a fixed ozone flux we prepare highly c-axis oriented films with very good superconducting properties. The critical temperatures of the films are commonly above 85 K with critical currents above 10 5 A/cm2. We report on composition, microstructure, electrical resistivity and critical current of two good films.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 275: Symposium S – Layered Superconductors: Fabrication, Properties and Applications , 1992 , 519
Copyright
Copyright © Materials Research Society 1992

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References

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