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Soft chemistry synthesis of powders in the BaF2-ScF3 system |
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| Authors: | M. N. Mayakova S. V. Kuznetsov V. V. Voronov A. E. Baranchikov V. K. Ivanov P. P. Fedorov |
| Affiliation: | 1. Prokhorov Institute of General Physics, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia 2. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia 3. National Research Tomsk State University, pr. Lenina 36, Tomsk, 634050, Russia |
| Abstract: | The BaF2-ScF3 system is studied using coprecipitation from aqueous solutions. Compound Ba3Sc2F12 is found to form over a wide range (10–60 mol %) of scandium concentrations in the initial solution. At higher scandium concentrations in solution, a new phase of provisional composition BaSc2F8 · 2H2O (hexagonal system, a = 9.6346 Å, c = 4.0483 Å) was obtained. Scandium fluoride hydrolysis is not observed by energy-dispersive X-ray analysis. |
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