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Figure 2
The enlarged regions of powder patterns of samples (5), (6) and (7) showing the appearance of new reflections and the splitting of some reflections in (6) and (7) owing to the lowering of symmetry according to oxygen-vacancy ordering (intensity in arbitrary units).

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 65| Part 5| August 2009| Pages 558-566
doi:10.1107/S010876810902833X
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