Mixed phosphates K2MIIIMV(OPO4)2: Heterovalence-substituted analogs of KTiOPO4

Author: Zatovskii I.   Babarik A.   Slobodyanik N.  

Publisher: MAIK Nauka/Interperiodica

ISSN: 1070-4272

Source: Russian Journal of Applied Chemistry, Vol.79, Iss.11, 2006-11, pp. : 1765-1768

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Abstract

A series of heterovalence-substituted analogs of KTiOPO4 of the general composition K2MIIIMV(OPO4)2 (MIII = Cr, Fe, In; MV = Nb, Ta) were synthesized by crystallization from melts and by solid-phase reactions. Influence of the nature of tri-and pentavalent metals on the conditions of preparation and on the features of phase formation of substituted mixed phosphates was examined. The compounds obtained were characterized by X-ray diffraction analysis and by diffuse reflection spectroscopy.

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