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Transparent ceramics of the formula (Nd0.01LaxY0.99−x)2O3 (x = 0, 0.05, 0.10) were made with nanopowders and sintered in H2 atmosphere. The Raman spectra of Ln2O3 (Ln = Y, La, Nd) powders and (Nd0.01LaxY0.99−x)2O3 ceramics were investigated. The results show that both La2O3 and Nd2O3 powders are of hexagonal structure, and all (Nd0.01LaxY0.99−x)2O3 ceramics exhibit the same cubic Y2O3 crystal structure...
The full width at half maximum of the Raman peaks in Yb:(Y1-xLax)2O3 transparent ceramics were increased, while the intensity and phonon energy decreased with the La2O3 content x.
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