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.

引用

页码：912 / 918

页数：7

共 15 条

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