Table of Contents
Crystals, Volume 7, Issue 1 (January 2017)
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Cover Story (view full-size image) KSbTeO6 exhibits a defect pyrochlore structure defined in the cubic Fd3m symmetry. The mainly [...] Read more. KSbTeO6 exhibits a defect pyrochlore structure defined in the cubic Fd3m symmetry. The mainly covalent network formed by vertex-sharing (Sb,Te)O6 octahedra, enables weak interatomic interactions with K+ ions. A combined XRD and NPD study showed that K+ are distributed at large multiplicity 32e Wyckoff sites with ¼ occupancy, placed in the center of large cages. The quite big anisotropic atomic displacement parameters account for the ease of ion exchange of this material to yield a product of technological importance, such as (H3O)SbTeO6. View this paper.