Ferroelectric properties of modified lead titanate thin films obtained by a sol-gel method

被引：0
作者：
Carmona, F
Calzada, ML
Sirera, R
Mendiola, J
机构：
[1] Instituto de Ciencia de Materiales,
来源：
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 1997年 / 8卷 / 1-3期
关键词：
ferroelectricity; lead titanate; sol-gel method; rapid heating;
D O I：
10.1023/A:1018361418870
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Calcium substituted lead titanate thin films have been prepared by a sol-gel method, deposited by spin-coating, and thermally treated so as to obtain a perovskite structure. Two types of thermal treatments were given, differing in the heating rate, which in conventional treatments was of some 10 degrees C/min, and in rapid treatments >500 degrees C/min. With rapid heating, materials are obtained in which greater polarizations are commuted and bias fields are smaller. This, together with the fact that additional (undesired) phases are not observed by X-ray diffractometry when rapid treatments are used, shows that these are to be preferred over conventional treatments.
引用
收藏
页码：725 / 728
页数：4
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