FORMATION OF ALKOXY-DERIVED YTTRIUM ALUMINUM-OXIDES

被引：78

作者：

YAMAGUCHI, O ^{[1
]}

TAKEOKA, K ^{[1
]}

HIROTA, K ^{[1
]}

TAKANO, H ^{[1
]}

HAYASHIDA, A ^{[1
]}

机构：

[1] DOSHISHA UNIV,FAC ENGN,DEPT CHEM ENGN,KYOTO 602,JAPAN

来源：

JOURNAL OF MATERIALS SCIENCE | 1992年 / 27卷 / 05期

关键词：

D O I：

10.1007/BF01142034

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Monoclinic Y4Al2O9 and hexagonal YAlO3 crystallize at low temperatures from amorphous materials prepared by the hydrolysis of yttrium and aluminium double alkoxides. Hexagonal YAlO3 transforms to the cubic phase with a garnet structure as an intermediate product at elevated temperatures. The formation process of YAlO3 is described. Solid solutions of hexagonal YAlO3 crystallize between 50 and 62.5 mol% Al2O3. Yttrium aluminium garnet Y3Al5O12(YAG) is formed by transformation of the solid solution.

引用

页码：1261 / 1264

页数：4

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