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Phase Analysis and Crystallographic Properties of the Phosphate Systems MO-ZrO2-P2O5 (M=Mg, Ca, Sr or Ba)

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Abstract

Phase formation in the systems MO-ZrO2-P2O5 (M=Mg, Ca, Sr or Ba) with various ratios of M to Zr cations and within the temperature interval from 20 to 1200°C was investigated by means of DTA, TG, XRD and IR spectroscopy. The orthophosphate phases M0.5xZr2.25−0.25x(PO4)3 with x=0−1, 3 and 7 were synthesized. Concentration and temperature limits of phase existence were found for phosphates belonging in the NaZr2(PO4)3 structural family. They exist within the regions with M to Zr ratios of 0≤x≤1 (with the exception of the Mg phases) and in the temperature interval from room temperature to 900–1700°C.

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Authors and Affiliations

  1. Department of Chemistry, Nizhny Novgorod State University, Gagarin Av. 23, 603600, Nizhny Novgorod, Russia

    V. I. Petkov & A. I. Orlova

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  1. V. I. Petkov
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  2. A. I. Orlova
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Petkov, V.I., Orlova, A.I. Phase Analysis and Crystallographic Properties of the Phosphate Systems MO-ZrO2-P2O5 (M=Mg, Ca, Sr or Ba). Journal of Thermal Analysis and Calorimetry 54, 71–77 (1998). https://doi.org/10.1023/A:1010156616525

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  • DOI: https://doi.org/10.1023/A:1010156616525

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