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Long-range oxygen ordering linked to topotactic oxygen release in Pr<sub>2</sub>NiO<sub>4+δ</sub> fuel cell cathode material

Rajesh Dutta, Avishek Maity, Anna Marsicano, Monica Ceretti, Dmitry Chernyshov, Alexeï Bosak, Antoine Villesuzanne, Georg Roth, Giuditta Perversi, Werner Paulus

Journal of Materials Chemistry A · 2020 · 18 citations · 35 references

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Abstract

Complex oxygen ordering evidenced for the oxygen membrane cathode material Pr<sub>2</sub>NiO<sub>4.25</sub> at room temperature with translational periodicities attaining almost 100 Å by single-crystal synchrotron diffraction studies.

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