Phase relations in the pseudo-ternary system La2O3-SrO-Fe2O3

被引：21

作者：

Fossdal, A ^{[1
]}

Einarsrud, MA ^{[1
]}

Grande, T ^{[1
]}

机构：

[1] Norwegian Univ Sci & Technol, Dept Mat Technol, N-7491 Trondheim, Norway

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2005年 / 88卷 / 07期

关键词：

D O I：

10.1111/j.1551-2916.2005.00356.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The phase relations in the pseudo-ternary system La2O3-SrO-Fe2O3 have been investigated in air. Isothermal sections at 1100 degrees and 1300 degrees C are presented based on X-ray diffraction and thermal analysis of annealed samples. Extended solid solubility was observed for the compounds Srn+1-vLavFenO3n+1-delta (n = 1, 2, 3, and infinity) and Sr1-xLaxFe12O19, while only limited solubility of La in Sr4-zLazFe6O13 +/-delta was observed. At high Fe2O3 content, a liquid with low La2O3 content was stable at 1300 degrees C.

引用

页码：1988 / 1991

页数：4

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