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The Influence of Tte Substrate Surface on the Nucleation and Growth of Superconducting Thin Films

Published online by Cambridge University Press:  28 February 2011

S. N. Basu ,
N. Bordes ,
A. Rollett ,
M. Cohen  and
M. Nastasi
S. N. Basu
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
N. Bordes
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
A. Rollett
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
M. Cohen
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
M. Nastasi
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
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Abstract

The quality of epitaxially grown superconducting thin films is dependent on the nature of the substrate surface. In this study, the surface of <100> oriented SrTiO3 single crystals was modified by mechanical polishing, thermal annealing and chemical etching. A study of the YBa2Cu3O7-x thin films grown on these substrates showed that high quality superconducting films were obtained when the substrate surface was highly oriented in the <100> direction and was also microscopically smooth.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 1157
Copyright
Copyright © Materials Research Society 1990

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References

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