Preparation of lanthanum doped Bi4Ti3O12 ceramics by the polymeric precursor method

被引：47
|
作者：
Simoes, A. Z.
Quinelato, C.
Ries, A.
Stojanovic, B. D.
Longo, E.
Varela, J. A.
机构：
[1] Univ Estadual Paulista, UNESP, Inst Chem, BR-14801970 Araraquara, SP, Brazil
[2] Univ Fed Sao Carlos, Dept Chem, BR-13560905 Sao Carlos, SP, Brazil
[3] Univ Belgrade, Ctr Multidisciplinary Studies, Belgrade, Serbia Monteneg
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2006年 / 98卷 / 2-3期
基金：
巴西圣保罗研究基金会;
关键词：
ceramics; crystal structure; sintering;
D O I：
10.1016/j.matchemphys.2005.09.070
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Lanthanum-modified bismuth titanate, Bi4-xLaxTi3O12 (BLT) ceramics, with x ranging from 0 to 0.75 were prepared by the polymeric precursor method. Orthorhombicity of the system is decreased with the increase of lanthanum content in the bismuth titanate (BIT) crystal lattice. No secondary phases were evident after lanthanum addition. Increasing lanthanum content causes a structural distortion in the bismuth titanate lattice. The shape of the grains is strongly influenced by the lanthanum added to the system. (c) 2005 Elsevier B.V All rights reserved.
引用
收藏
页码：481 / 485
页数：5
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