ELECTROCERAMICS FROM SOURCE MATERIALS VIA MOLECULAR INTERMEDIATES - BATIO3 FROM TIO2 VIA (TI(CATECHOLATE)3)2-

被引:19
作者
DAVIES, JA
DUTREMEZ, S
机构
[1] Department of Chemistry, University of Toledo, Toledo, Ohio
关键词
anatase; barium titanate; ligands; processing; rutile;
D O I
10.1111/j.1151-2916.1990.tb05218.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
Rutile or anatase may be depolymerized and complexed by sequential treatment with (i) H2SO4/(NH4)2SO4, (ii) H2O, and (iii) catechol/NH4OH to produce the intermediate (NH4)2(Ti(catecholate)3) · 2H2O. Treatment with Ba(OH)2· 8H2O leads to an acid‐base reaction generating Ba(Ti(catecholate)3) · 3H2O, in which the Ba:Ti ratio is held at 1:1 at the molecular level. Calcination produces BaTiO3 powder. Copyright © 1990, Wiley Blackwell. All rights reserved
引用
收藏
页码:1429 / 1430
页数:2
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