Y2O3 nanoprecipitate/YBaCuO matrix interfaces: HREM study

Y2O3 inclusions locally embedded in MOCVD YBCO films have been unambiguously identified by HREM and associated image calculations. The nanoprecipitates exhibit rectangular shapes, with their largest interfacial facets lying parallel to the (001) plane. The interfaces features can be interpreted at a...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 1994-12, Vol.235-240, p.617-618
Main Authors: Dorignac, D., Schamm, S., Grigis, C., Sévely, J., Santiso, J., Figueras, A.
Format: Article
Language:English
Subjects:
Physics
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Summary:Y2O3 inclusions locally embedded in MOCVD YBCO films have been unambiguously identified by HREM and associated image calculations. The nanoprecipitates exhibit rectangular shapes, with their largest interfacial facets lying parallel to the (001) plane. The interfaces features can be interpreted at an atomic scale on the basis of lattice-matching arguments.
ISSN:0921-4534
DOI:10.1016/0921-4534(94)91532-6