On the origin of ferroelectricity in PbTiO3

被引：0
|
作者：
Turik, AV [1 ]
Khasabov, AG [1 ]
机构：
[1] Rostov State Univ, Dept Phys, Rostov Na Donu 344090, Russia
来源：
FERROELECTRICS | 2000年 / 237卷 / 1-4期
关键词：
ferroelectricity; lead titanate; Born charges; ferroactive sublattices;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effective Born charges and ionic displacements in the ferroelectric phase have bern used for estimations of relative contributions of different ion sublattices into the value of the spontaneous polarization of ABO(3) ferroelectric oxides with perovskite-type structure. The principal difference of PbTiO3 from other perovskite-type crystals, in particular from BaTiO3, has been established: the main contribution to the spontaneous polarization of PbTiO3 is given by oxygen ions.
引用
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页码：369 / 375
页数：7
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