Phase formation and physicochemical properties of solid solutions Bi4-y Tb y Ti3O12 based on layered bismuth titanate

被引：4

作者：

Fortalnova, E. A. ^{[1
,2
]}

Politova, E. D. ^{[2
]}

Ivanov, S. A. ^{[2
]}

Safronenko, M. G. ^{[1
]}

机构：

[1] RUDN Univ, Ul Ordzhonikidze 3, Moscow 117198, Russia

[2] Karpov Res Inst Phys Chem, Per Obukha 3-1-12 Str 6, Moscow 105064, Russia

来源：

RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2017年 / 62卷 / 02期

基金：

俄罗斯基础研究基金会;

关键词：

CRYSTAL-STRUCTURE; BI4TI3O12; CERAMICS;

D O I：

10.1134/S0036023617020061

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The phase formation of solid solutions Bi4-y Tb (y) Ti3O12, where y = 0.0, 0.2, 0.4, 0.6, and 0.8, was studied, and a scheme of this process in an oxide reaction mixture was proposed. The thermal stability of the obtained solid solutions was investigated, and the phase composition and structural parameters were explored in detail by the Rietveld method. It was found that, within the tested concentration range, Bi4-y Tb (y) Ti3O12 samples crystallize in the orthorhombic system, and the concentration evolution of the unit cell parameters was traced. It was determined that the temperature of the ferroelectric phase transition decreases with increasing y, as the concentration limit of the existence of the rhombic modification of Bi4-y Tb (y) Ti3O12 is approached.

引用

页码：224 / 230

页数：7

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