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Preparation of perovskite oxides for high Tc superconductor substrates

Published online by Cambridge University Press:  31 January 2011

C. D. Brandle  and
V. J. Fratello
C. D. Brandle
Affiliation:
AT & T Bell Laboratories, Murray Hill, New Jersey 07974
V. J. Fratello
Affiliation:
AT & T Bell Laboratories, Murray Hill, New Jersey 07974
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Abstract

A variety of materials of the general type A2BB′O6 that have an ordered perovskite structure have been prepared and examined as possible substrate candidates for high Tc superconducting films. Materials containing either Ca or Sr as the A cation and either Ga or Al in combination with Nb or Ta as the B and B′ cations have been shown to be congruent melting compounds. These compounds have melting points easily accessible using conventional rf heating techniques and are therefore materials that could possibly be grown in bulk form using the Czochralski growth technique.

Type
Articles
Information
Journal of Materials Research , Volume 5 , Issue 10 , October 1990 , pp. 2160 - 2164
Copyright
Copyright © Materials Research Society 1990

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References

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