Abstract

We have synthesized CexZr1–xO2 solid solutions via the thermal decomposition of xerogels of different compositions prepared by drying appropriate hydrosols. The synthesized materials have been characterized by thermal analysis, X-ray diffraction, and Raman spectroscopy. The results demonstrate that the solid solutions are formed at relatively low temperatures (450–600°C). The CexZr1–xO2 samples with x = 0.5–0.9 consist of a cubic solid solution. At a lower CeO2 content (x = 0.2), the material consists of a mixture of cubic and tetragonal phases.

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