The investigations of dielectric and structural properties of polycrystalline BaTiO3 thin films on Pt substrates by RF magnetron sputtering

被引：1
|
作者：
Jang, JW [1 ]
Cho, WJ
Hahn, TS
Choi, SS
Chung, SJ
机构：
[1] Seoul Natl Univ, Dept Inorgan Mat Engn, Seoul 157742, South Korea
[2] Korea Inst Sci & Technol, Div Elect & Informat Technol, Appl Phys Lab, Seoul, South Korea
来源：
FERROELECTRICS | 1998年 / 205卷 / 1-4期
关键词：
D O I：
10.1080/00150199808228386
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Thickness dependence of ferroelectric and structural properties of BaTiO3 thin films was investigated. BaTiO3 thin films were prepared by rf magnetron sputtering on polycrystalline Pt substrates at 700 degrees C. Film thickness range was 2,100-20,000 Angstrom. Room temperature permittivity, and D-E hysteresis loops were measured as a function of the him thickness. It has been found that these properties had the strong dependence on film thickness, which has mainly due to grain sizes of BaTiO3 thin films. The variation in permittivity according to grain size was discussed in terms of crystallinity, film stress, and recrystallization process.
引用
收藏
页码：37 / 48
页数：12
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