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Figure 8
Diffractograms of the La0.9 sample during the reduction with wet H2 at increasing temperature. The perovskite structure (peaks labelled `P'; for the respective hkl indices, cf. Fig. 2[link]) stayed intact over the whole temperature range and no La2O3 phase was formed. A small peak of elemental Fe appeared (green border), first clearly seen at 625 °C, indicating Fe nanoparticle exsolution.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 76| Part 6| December 2020| Pages 1055-1070
https://doi.org/10.1107/S2052520620013475
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