Synthesis and structure determination of the new oxide fluoride BaFeO2F

Heap, Richard; Slater, Peter R.; Berry, Frank J.; Helgason, Orn and Wright, Adrian J. (2007). Synthesis and structure determination of the new oxide fluoride BaFeO2F. Solid State Communications, 141(8) pp. 467–470.

DOI: https://doi.org/10.1016/j.ssc.2006.11.037

Abstract

Low temperature fluorination of BaFeO3−x using poly(vinylidene fluoride) leads to the formation of the oxide fluoride BaFeO2F. Mössbauer spectroscopy shows that this phase exhibits magnetic ordering at room temperature due to interactions between the Fe3+ ions, with an ordering temperature of 645 (±5) K. Neutron diffraction studies show that the phase has cubic symmetry and confirm the presence of magnetic ordering (G-type antiferromagnetic) at room temperature.

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