Phase transition of pyrochlore structure in Bi2O3-ZnO-Nb2O5 system

被引：0
|
作者：
Wang, H [1 ]
Yao, X [1 ]
Zhang, LY [1 ]
Xia, F [1 ]
机构：
[1] Xian Jiao Tong Univ, EMRL, Xian 710049, Peoples R China
来源：
FERROELECTRICS | 1999年 / 229卷 / 1-4期
关键词：
pyrochlore; phase transition; bismuth-zinc-niobate;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The phase transition of pyrochlore structure in Bi2O3-ZnO-Nb2O5 system was investigated, Samples of compositions (Bi3xZn2-3x)(ZnxNb2-x)O-7(0.4 less than or equal to x less than or equal to 0.67) were prepared by solid state reaction method, Quenching technique and X-ray diffraction technique were used to determine the cubic alpha and monoclinic beta pyrochlore phase and alpha-beta transition. The influence of calcining temperature and calcining time on the pyrochlore formation was studied. The alpha-beta phase transition mechanism was discussed.
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页码：95 / 101
页数：7
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