Space group and lattice constants for barium cerate and minor corrections to the crystal structures of BaCe0.9Y0.1O2.95 and BaCe0.9Gd0.1O2.95
- 1 January 1994
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Materials Chemistry
- Vol. 4 (6) , 899-901
- https://doi.org/10.1039/jm9940400899
Abstract
The lattice constants and space group of undoped and lightly rare-earth doped BaCeO3 have been investigated using high-resolution neutron powder diffraction. The space group determined as Pmcn is unchanged from our earlier investigations; however, the lattice constants b and c have had to be reversed to account for additional reflections observed in the high-resolution diffraction pattern. The crystal structures of BaCe0.9Y0.1O2.95 and BaCe0.9Gd0.1O2.95 have been re-refined in the light of this observation.Keywords
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