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Texture development in Ba2YCu3O7−x films from trifluoroacetate precursors

Published online by Cambridge University Press:  31 January 2011

Paul C. McIntyre ,
Michael J. Cima ,
Man Fai Ng ,
Raymond C. Chiu  and
Wendell E. Rhine
Paul C. McIntyre
Affiliation:
Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
Michael J. Cima
Affiliation:
Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
Man Fai Ng
Affiliation:
Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
Raymond C. Chiu
Affiliation:
Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
Wendell E. Rhine
Affiliation:
Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
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Abstract

The effect of heat treatment on microstructure development in Ba2YCu3O7−x films prepared from metal trifluoroacetate precursors is investigated. The growth of textured Ba2YCu3O7−x on BaZrO3 substrates is shown to be strongly influenced by the furnace atmosphere used during calcination. Differential thermal analysis was used to show that conditions that promote c-axis texture are also those which cause partial melting of Ba–Y–Cu–O compositions that are depleted in barium relative to Ba2YCu3O7−x.

Type
Articles
Information
Journal of Materials Research , Volume 5 , Issue 12 , December 1990 , pp. 2771 - 2779
Copyright
Copyright © Materials Research Society 1990

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