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Figure 8
Ge—O bond lengths of the (a) Ge3 and (b) the Ge4 site of Cu2Fe2Ge4O13 as a function of temperature and variation of the tetrahedral angle variance TAV (left scale), and the tetrahedral quadratic elongation TQE (Robinson et al., 1971BB15; right scale) for the (c) Ge2 and (d) for the Ge4 site.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 63| Part 1| January 2007| Pages 4-16
doi:10.1107/S0108768106051652
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