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High-temperature and spectroscopic study of thorium phosphates

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Abstract

Double thorium phosphates MkTh3−k (PO4)4−k (MI = Li, Na, Ag, K, Rb, Tl, Cs; MII = Cd, Ca, Sr, Pb) and thorium phosphate diphosphate Th4(PO4)4P2O7 were synthesized by a high-temperature solid-phase reaction. The double thorium phosphates crystallize in the monoclinic system [space group C2/c for MITh2(PO4)3 and P21/n for MIITh(PO4)2], and the compound Th4(PO4)4P2O7, in the rhombic system (space group Pcam). The bands in the IR spectra were assigned. The double thorium phosphates exhibit high thermal stability. The compounds KTh2(PO4)3, CaTh(PO4)2, and Th4(PO4)4P2O7 were studied by high-temperature X-ray diffraction.

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Authors and Affiliations

  1. Lobachevsky Nizhni Novgorod State University, pr. Gagarina 23, Nizhni Novgorod, 603950, Russia

    A. V. Knyazev, N. G. Chernorukov, A. A. Sazonov & M. E. Komshina

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  1. A. V. Knyazev
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  2. N. G. Chernorukov
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  3. A. A. Sazonov
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  4. M. E. Komshina
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Correspondence to A. V. Knyazev.

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Original Russian Text © A.V. Knyazev, N.G. Chernorukov, A.A. Sazonov, M.E. Komshina, 2011, published in Radiokhimiya, 2011, Vol. 53, No. 6, pp. 495–499.

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Knyazev, A.V., Chernorukov, N.G., Sazonov, A.A. et al. High-temperature and spectroscopic study of thorium phosphates. Radiochemistry 53, 587–592 (2011). https://doi.org/10.1134/S106636221106004X

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  • DOI: https://doi.org/10.1134/S106636221106004X

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