Synthesis of fine La0.8Sr0.2MnO3 powder by different ways

被引：47
|
作者：
Grossin, D [1 ]
Noudem, JG [1 ]
机构：
[1] ENSICAEN, CNRS, UMR 6508, CRISMAT, F-14050 Caen, France
来源：
SOLID STATE SCIENCES | 2004年 / 6卷 / 09期
关键词：
La0.8Sr0.2MnO3; LSMO; bulk; spray dyer; sol-gel; fine particles; magneto-electric properties;
D O I：
10.1016/j.solidstatesciences.2004.06.003
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
La0.8Sr0.2MnO3 (LSMO) powders were successfully synthesized by three routes (sol-gel, spray dryer and conventional solid state method). The precursors were characterized by particle size analysis, X-ray diffraction (XRD) and scanning electron microscopy (SEM). The sintering stage of all powders was also investigated by dilatometer. Finally, the sintered LSMO ceramics have been investigated magnetically and electrically in view to study the ferromagnetic-paramagnetic and/or metal-insulator transition. The magnetoresistance MR up to 42% above room temperature has been observed. (C) 2004 Elsevier SAS. All rights reserved.
引用
收藏
页码：939 / 944
页数：6
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