Processing and phase separation of LSMO-based multiferroic composite ceramics

被引：10
作者：
Song, G. B. [1 ]
Amaral, J. S.
Amaral, V. S.
Kholkin, A. L.
机构：
[1] Univ Aveiro, CICECO, Dept Ceram & Glass Engn, P-3810193 Aveiro, Portugal
[2] SW Univ Sci & Technol, Sch Mat Sci & Engn, Mianyang 621002, Peoples R China
[3] Univ Aveiro, CICECO, Dept Phys, P-3810193 Aveiro, Portugal
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2007年 / 27卷 / 13-15期
关键词：
manganites; composites;
D O I：
10.1016/j.jeurceramsoc.2007.02.071
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：
In this paper, the effect of processing conditions on phase separation and crystal structure of (x) La0.625Sr0.375MnO3-(1-x) LuMnO3 composite system was studied by XRD and SEM. The results con firm that there is a solid solution of monoclinic phase of space group P112(1)/a in this system, i.e. (La0.625Sr0.375)(x)Lu1-xMnO3 is formed for x = 0.980-1.0. For 0 < x <= 0.975, the immiscibility region shows clear separation of both La-rich and Lu-rich phases. The optimal preparation conditions were found for this system: sintering at 1250 and 1350 degrees C for samples of monoclinic La-rich phase and for the immiscibility region, respectively. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3941 / 3945
页数：5
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