Phase developments in the Pb(Zn1/2W1/2)O3-Pb(Zn1/3Ta2/3)O3-Pb(Zn1/3Nb2/3)O3 pseudo-ternary system

被引：3
|
作者：
Lee, Bong-Ho [1 ]
Kim, Nam-Kyoung [1 ]
机构：
[1] Kyungpook Natl Univ, Dept Inorgan Mat Engn, Taegu 702701, South Korea
来源：
MATERIALS LETTERS | 2008年 / 62卷 / 01期
关键词：
perovskites; X-ray techniques; Pb(Zn1/2W1/2)O-3; Pb(Zn1/3Ta2/3)O-3; Pb(Zn1/3Nb2/3)O-3;
D O I：
10.1016/j.matlet.2007.04.095
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The phase stability ranges in the B-site precursor (Zn1/2W1/2)O-2-(Zn1/3Ta2/3)O-2-(Zn1/3Nb2/3)O-2 were determined by X-ray diffraction (XRD), where wolfiamite, tri-alpha PbO2, and columbite phases were identified. Next attempts were carried out (with the addition of PbO) for the system Pb (Zn1/2W1/2)O-3-Pb(Zn1/3Ta2/3)O-3-Pb(Zn1/3Nb2/3)O-3, where the perovskite phase did not develop in the entire compositions investigated. Instead, only the Pb2WO5 and pyrochlore phases (along with ZnO) resulted. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：137 / 139
页数：3
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