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Figure 1
Average structure of tetragonal tungsten bronze type Ca0.28Ba0.72Nb2O6 projected along the c axis. The Nb atoms are located near the centres of the octahedra. The Me1 position is predominately occupied by calcium and the Me2 position predominately by barium (cf. Table 2[link]). The Me3 site is not filled.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 68| Part 2| February 2012| Pages 101-106
doi:10.1107/S0108768111054863
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