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À propos de : Role of Praseodymium on Zirconia Phases Stabilization        

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  • Role of Praseodymium on Zirconia Phases Stabilization
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  • The system zirconia−praseodymia (Pr content 0−15 mol %) has been investigated toevaluate the praseodymium solubility and its role in the zirconia phase stability. The powdershave been synthesized by coprecipitation and subsequent calcination at different temperatures (400−1000 °C) for 2 h. The crystal structure of the obtained nanocrystalline (Zr, Pr)O2 powders has been studied by X-ray diffraction. By applying the Rietveld method, thedopant effect on the zirconia phase stability was found and discrimination between thedifferent zirconia polymorphs was possible.
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