Electron microscopy of a Gd-Ba-Cu-O superconductor
Publication Type
Journal Article
Authors
DOI
Abstract
An electron microscopy study has been carried out to characterize the microstructure of a sintered Gd-Ba-Cu-O superconductor alloy. The GdBa2Cu3O7-x phase in the oxygen annealed sample is orthorhombic while in the vacuum annealed sample it is tetragonal. It is shown that the details of the fine structure in the [001] zone axis convergent beam patterns can be used to distinguish between the orthorhombic form and the tetragonal form. In addition to this matrix phase, an amorphous phase is frequently observed at the triple grain junctions. Gd-rich inclusions have been observed inside the matrix phase. © 1989, Materials Research Society. All rights reserved.
Journal
Journal of Materials Research
Volume
4
Year of Publication
1989
ISSN
08842914
Notes
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