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Epitaxial Growth of Yb2O3 Buffer Layers on Biaxially Textured-Ni (100) Substrates by Sol-Gel Process

Published online by Cambridge University Press:  10 February 2011

T. G. Chirayil ,
M. Paranthaman ,
D. B. Beach ,
J. S. Morrelli ,
E. Y. Sun ,
A. Goyal ,
R. K. Williams ,
D. F. Lee ,
P. M. Martin  and
D. M. Kroeger
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T. G. Chirayil
Affiliation:
Chemical and Analytical Sciences Division
M. Paranthaman
Affiliation:
Chemical and Analytical Sciences Division
D. B. Beach
Affiliation:
Chemical and Analytical Sciences Division
J. S. Morrelli
Affiliation:
Chemical and Analytical Sciences Division Department of Chemistry, University of Tennessee, Knoxville, TN 37996
E. Y. Sun
Affiliation:
Metal and Ceramics Division
A. Goyal
Affiliation:
Metal and Ceramics Division
R. K. Williams
Affiliation:
Metal and Ceramics Division
D. F. Lee
Affiliation:
Metal and Ceramics Division
P. M. Martin
Affiliation:
Metal and Ceramics Division
D. M. Kroeger
Affiliation:
Metal and Ceramics Division
R. Feenstra
Affiliation:
Solid State Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831
D. T. Verebelyi
Affiliation:
Solid State Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831
D. K. Christen
Affiliation:
Solid State Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831
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Abstract

In order to develop an alternative buffer layer architecture using the sol-gel process to produce YBCO (YBa2Cu3O7-δ) coated conductors, Yb2O3 has been chosen as the candidate material. Buffer layers of Yb2O3 were epitaxially grown on biaxially textured-Ni (100) substrates by the sol gel process for the first time. The Yb2O3 precursor solution was prepared from an alkoxide sol-gel route in 2-methoxyethanol and was deposited on textured-Ni (100) substrates by either spin coating or dip coating methods. The amorphous film was then processed at 1160°C under flowing (96%)Ar/H2(4%) gas mixture for one hour. The Yb2O3 film exhibited a strong c-axis orientation on the Ni (100) substrates. The phi and omega scans indicated good in plane and out of plane orientations. The X-ray (222) pole figure showed a cube-on-cube epitaxy. High current YBCO films were grown on the Yb2O3 sol-gel buffered-Ni substrates.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 574: Symposia BB – Multicomponent Oxide Films for Electronics , 1999 , 51
Copyright
Copyright © Materials Research Society 1999

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