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- Title
Monoclinic superstructure in orthorhombic Ce<sub>10</sub>W<sub>22</sub>O<sub>81</sub> from transmission electron microscopy.
- Authors
Patout, Loïc; Jacob, Damien; Arab, Madjid; de Souza, Carlson Pereira; Leroux, Christine
- Abstract
A complex rare-earth tungstate structure, present in a twophased powder, was solved by electron diffraction, precession and high-resolution electron microscopy. The orthorhombic space group Pbnm and the atomic positions deduced from Xray diffraction experiments were confirmed for Ce10W22O81. A C2/c monoclinic superstructure, with cell parameters a = 7.8, b = 36.1, c = 22.2 Åand β = 100.2β, was shown and attributed to a partial oxidation of Ce3+ leading to interstitial oxygen ions.
- Subjects
RARE earth metals; ELECTRON diffraction; TRANSMISSION electron microscopy
- Publication
Acta Crystallographica Section B: Structural Science, Crystal Engineering & Materials, 2014, Vol 70, Issue 2, p268
- ISSN
2052-5192
- Publication type
Article
- DOI
10.1107/S2052520613034252