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Elsevier, Journal of Solid State Chemistry, 8(180), p. 2346-2355

DOI: 10.1016/j.jssc.2007.06.006

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The Chemistry of the Phosphates of Barium and Tetravalent Cations in the 1:1 Stoichiometry

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This paper is available in a repository.

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Abstract

The chemistry of phosphates of barium and tetravalent cations [BaMIV(PO4)2] is reviewed. Such phosphates crystallise in the C2/m space group for MIV 1/4 Ti, Zr, Hf, Ge, Sn, and Mo, and in the P21/n space group for BaTh(PO4)2. The existence of BaMIV(PO4)2 in which MIV 1/4 Pb, Ce, and U is further evaluated. Several aspects, such as phase transitions in the compounds with yavapaiite structure, solid solutions of BaMIV(PO4)2 compounds and practical applications are briefly discussed. ; JRC.E.4-Nuclear fuels