Structural, dielectric and ferroelectric properties of La doped PbTiO3 sol gel derived thin films

被引：6
|
作者：
Chopra, S [1 ]
Sharma, S
Goel, TC
Mendiratta, RG
机构：
[1] Indian Inst Technol, Dept Phys, Adv Ceram Lab, New Delhi 110016, India
[2] Netaji Subhas Inst Technol, New Delhi 110045, India
来源：
FERROELECTRICS | 2005年 / 327卷
关键词：
lead lanthanum titanate; sol gel technique; dielectrics;
D O I：
10.1080/00150190500316440
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ferroelectric lead lanthanum titanate (Pb1-xLaxTi1-x (/4) O-3) thin films (x = 0.04 & 0.08) have been fabricated by sol-gel spin coating process on ITO coated 7059 glass substrates. Characterization of these films has been done by x-ray diffraction and atomic force microscope images. Tetragonality decrease with addition of La content. While dielectric constant and pyrocoefficient increase, Curie temperature decreases with La content. Also, there is decrease in remanent polarization and coercive field with addition of La content.
引用
收藏
页码：97 / 101
页数：5
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