Abstract
The growth of Ce 1− x Pr x O 2 single crystals ( x≃0.05) has been investigated in connection with a systematic research work o n rare earth based red pigments. Ce 1− x Pr x O 2 crystals have been grown by spontaneous nucleation during slow cooling of a high temperature solution using PbF 2-Pb 3P 2O 8-NaF or Na 2B 4O 7-NaF as solvents. X-ray diffraction, chemical analysis and optical study were performed on the obtained single crystals. Stabilization of Pr 4+ in cerium oxide accounted for the observed red color.
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