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Figure 2
(a) Rietveld refinement fit of the 10D5ESB composition (Rwp = 1.62). Green hkl ticks are for the diamond internal standard (Fd3m). (b) The correlation between the unit-cell parameter a and the number of oxygens (nO) in the 8c site per unit cell as the concentration of Er is reduced. (c) and (d) show the position of the O ions in the 48i and the 32f and 8c sites, respectively, relative to the cations. Purple/navy/green wedges represent cations, red wedges represent oxide ions and white wedges represent oxide ion vacancies.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 81| Part 6| December 2025| Pages 595-604
https://doi.org/10.1107/S2052520625009400
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