4 years ago

Topotactic Fluorine Insertion into the Channels of FeSb2O4-Related Materials

Topotactic Fluorine Insertion into the Channels of FeSb2O4-Related Materials
Frank J. Berry, Benjamin P. de Laune, Charles E. Johnson, Gregory J. Rees, Jacqueline A. Johnson, José F. Marco, Hien-Yoong Hah, Colin Greaves, John V. Hanna
FeSb2O4 and related phases contain FeO6 octahedra which form chains via edge-sharing. The chains are linked by Sb3+ ions which form empty channels within the structure. For Fe2+-containing phases, new oxide fluorides are synthesized by low temperature reactions in fluorine gas: fluorine is inserted into the channels and forms Sb−F−Sb bridges. Charge balance for the interstitial fluoride ions primarily involves oxidation of Fe2+ to Fe3+.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b01613

DOI: 10.1021/acs.inorgchem.7b01613

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