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Structural relationships among bismuth-rich phases in the Bi2O3-Nb2O5, Bi2O3-Ta2O5, Bi2O3-MoO3 and Bi2O3-WO3 systems

Ling, Christopher


The crystal structures of bismuth-rich phases in the Bi2O3-M2O5 (M = Nb, Ta) and Bi2O3-M2O6 (M = W, Mo) systems are investigated, and the most probable model for the crystal structure of each phase is used to propose a crystal-chemical scheme unifying key features of these structures in terms of their relationships to a fluorite-type δ-Bi2O3-related parent structure. This scheme is based on the incorporation of pyrochlore-type structural motifs (e.g., strings of M atoms along 〈110〉F directions)...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Journal of Solid State Chemistry


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