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Journal of the Ceramic Society of Japan
Vol. 125 (2017) No. 10 (October) p. 737-741

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http://doi.org/10.2109/jcersj2.17072

Feature: The 55th Symposium on Basic Science of Ceramics: Full papers

Rare earth hydroxide nitrates are prepared from rare earth nitrates by hydrothermal treatment. Three crystal phases, M(OH)3 (M1), M2(OH)5.14(NO3)0.86·H2O (M2), and M4O(OH)9NO3 (M4) are identified. The crystal phase systematically changes from M1 to M4 through M2 with decreasing radius of rare earth cation. Morphology of nanocrystal depends on the crystal phase. M1 and M4 phases grow to be nanorod, and M2 to nanoplate.

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