PREPARATION AND CHARACTERIZATION OF UNIFORM SUBMICROMETER METAL NIOBATE PARTICLES .2. MAGNESIUM NIOBATE AND POTASSIUM NIOBATE

被引：26

作者：

KIM, MJ ^{[1
]}

MATIJEVIC, E ^{[1
]}

机构：

[1] CLARKSON UNIV,DEPT CHEM ENGN,POTSDAM,NY 13699

来源：

JOURNAL OF MATERIALS RESEARCH | 1992年 / 7卷 / 04期

关键词：

D O I：

10.1557/JMR.1992.0912

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Amorphous spherical particles of magnesium and potassium niobates were produced by homogeneous precipitation in solutions of magnesium and potassium salts, respectively, in the presence of polymeric niobium oxo-hydroxide ions. At pH 9 solids of definitive compositions were achieved and converted to crystalline powders of MgNb2O6 and KNbO3 on calcination. Chemical mechanisms for the formation and transformation of such colloidal particles are offered.

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页码：912 / 918

页数：7

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