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Calcium thorium phosphate (Whitlockite-type mineral). Synthesis and structure refinement

Autor(es) y otros:
Orlova, Albina I.; Khaynakov, SergiyAutoridad Uniovi; Loginova, E. E.; Oleneva, T. A.; García-Granda, SantiagoAutoridad Uniovi; Kurazhkovskaya, Viktoriya S.
Fecha de publicación:
2009
Versión del editor:
http://dx.doi.org/10.1134/S1063774509040087
Citación:
Crystallography Reports, 54(4), p. 591-597 (2009); doi:10.1134/S1063774509040087
Descripción física:
p. 591-597
Resumen:

Abstract—The crystal structure of a new calcium thorium phosphate has been refined by the full-profile Rietveld method using X-ray powder diffraction data. The sample has been synthesized by the sol-gel technique. The phosphate has been identified by X-ray powder diffraction and IR spectroscopy. The refined composition is represented by the formula Ca10.26Th0.12(PO4)7. The CaOn and PO4 polyhedra are distorted compared to the corresponding polyhedra in the basic compound β-Ca3(PO4)2.

Abstract—The crystal structure of a new calcium thorium phosphate has been refined by the full-profile Rietveld method using X-ray powder diffraction data. The sample has been synthesized by the sol-gel technique. The phosphate has been identified by X-ray powder diffraction and IR spectroscopy. The refined composition is represented by the formula Ca10.26Th0.12(PO4)7. The CaOn and PO4 polyhedra are distorted compared to the corresponding polyhedra in the basic compound β-Ca3(PO4)2.

URI:
http://hdl.handle.net/10651/6206
ISSN:
1063-7745
Identificador local:

20090501

DOI:
10.1134/S1063774509040087
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