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Phase and valence transitions in Ba2LnSnxSb1-xO6-δ (Ln=Pr and Tb)

Abstract:

Compounds in the double perovskites series Ba2LnSnxSb1-xO6-δ (Ln=Pr and Tb) have been synthesised and structurally characterised using synchrotron X-ray and neutron powder diffraction. It was found that the two end-members of the Ba2PrSnxSb1-xO6-δ series both adopt rhombohedral symmetry but the antimonate is a fully ordered double perovskite while the stannate has no B-site cation ordering. X-ray absorption near-edge structure (XANES) and near-infrared spectroscopy indicate that the Pr cation...

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Publisher copy:
10.1016/j.jssc.2008.07.007

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Role:
Author
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Journal:
Journal of Solid State Chemistry
Volume:
181
Issue:
11
Pages:
2941-2952
Publication date:
2008-11-05
DOI:
EISSN:
1095-726X
ISSN:
0022-4596
URN:
uuid:a31db78c-0c6e-46e8-9d17-f177058d653f
Source identifiers:
293034
Local pid:
pubs:293034

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