Insight into the local structure of barium indate oxide-ion conductors: an X-ray total scattering study.
Dalton Trans
; 41(1): 50-3, 2012 Jan 07.
Article
em En
| MEDLINE
| ID: mdl-22105971
ABSTRACT
In this paper we presented the X-ray PDF investigation of orthorhombic Ba(2)In(2)O(5) and cubic Ba(2)In(1.7)P(0.3)O(5.3) and Ba(2)In(1.7)S(0.3)O(5.45) samples. Pure Ba(2)In(2)O(5) was found to be properly described-at the local scale-by the orthorhombic average structure. Ba(2)In(1.7)P(0.3)O(5.3) and Ba(2)In(1.7)S(0.3)O(5.45) cannot be described, at the local scale, by a cubic symmetry. The PDFs of these two samples clearly showed a distorted atom arrangement in the short-range which can be described again with the orthorhombic symmetry found in pure barium indate.
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MEDLINE
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En
Ano de publicação:
2012
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Article