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Figure 11
Polymerization of a PO4 group as a function of the number of bridging oxygen atoms (Obr): (a) Obr = 0 (monomer), (b) Obr = 1 (dimer), (c) Obr = 2 (trimer), (d) Obr = 3, (e) Obr = 4. The valence-sum rule cannot be satisfied for the central P5+ ion in (e), and this unit does not exist.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
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