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Oxygen vacancy ordering within anion-deficient Ceria

Abstract:

The structural properties of anion deficient ceria, CeO2-δ, have been studied as a function of oxygen partial pressure, p(O2), over the range 0≥log10 p(O2)≥-18.9 at 1273(2) K using the neutron powder diffraction technique. Rietveld refinement of the diffraction data collected on decreasing p(O2) showed increases in the cubic lattice parameter, a, the oxygen nonstoichiometry, δ, and the isotropic thermal vibration parameters, uCe and uO, starting at log10 p(O2)~-11. The increases are continuou...

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Publication status:
Published

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Publisher copy:
10.1016/j.jssc.2009.07.044

Authors


Norberg, ST More by this author
Eriksson, SG More by this author
Marrocchelli, D More by this author
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Journal:
JOURNAL OF SOLID STATE CHEMISTRY
Volume:
182
Issue:
10
Pages:
2815-2821
Publication date:
2009-10-05
DOI:
EISSN:
1095-726X
ISSN:
0022-4596
URN:
uuid:50e19466-f024-4962-b434-bf8b89027c49
Source identifiers:
369748
Local pid:
pubs:369748

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