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
收藏
页码：1261 / 1264
页数：4
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