Phase Equilibria in the System Nd2O3-P2O5 |
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| Authors: | MING-SHIH WONG ERIC R. KREIDLER |
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| Affiliation: | Department of Ceramic Engineering, The Ohio State University, Columbus, Ohio 43210 |
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| Abstract: | The phase diagram for the system NdI2O3-P2O5 was constructed. Six intermediate compounds, having molar Nd2O3: P2O5 ratios of 3:1, 7:3, 1:1, 1:2, 1:3, and 1:5, were identified. The 3:1, 7:3, and 1:1 compounds are stable to at least 1500°C. The 1:2 compound decomposes to 1:1 and 1:3 at 730 ± 5°C. The 1:3 and 1:5 compounds melt congruently at 1280 ± 5° and 1055 ± 5°C, respectively. None of the neodymium phosphates show lower temperature limits of stability. |
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