Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
Feature: The 55th Symposium on Basic Science of Ceramics: Full papers
Changes in crystal phases and morphologies of rare earth hydroxide nitrates with ionic radius
Fumiya SATOHitoshi SHIOKAIYusuke YANOMasatoshi SUGIURARyoji TAKAHASHI
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Volume 125 (2017) Issue 10 Pages 737-741

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Abstract

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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