SrBi2Nb2O9 ferroelectric thin films

被引：1
|
作者：
Yi, JH [1 ]
Thomas, P [1 ]
Manier, M [1 ]
Mercurio, JP [1 ]
Jauberteau, I [1 ]
Frit, B [1 ]
机构：
[1] Univ Limoges, Fac Sci, Lab Mat Ceram & Traitements Surface, ESA 6015, F-87060 Limoges, France
来源：
JOURNAL DE PHYSIQUE IV | 1998年 / 8卷 / P9期
关键词：
D O I：
10.1051/jp4:1998943
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Stable sols or gels with SrBi2Nb2O9 composition were obtained from mixtures of niobium ethoxide, bismuth and strontium 2-ethylhexanoates, SrBi2Nb2O9 thin films were prepared by spin-coating a stable precursor solution on Si/SiO2/TiO2/Pt substrates. Randomly oriented 0.3 mu m-thick crack-free films were obtained after 10 successive depositions and an heat-treatment of 2 hours at 700 degrees C. Crystallisation occurs at about 550 degrees C and a pure SrBi2Nb2O9 phase is obtained at 600 degrees C. P-E hysteresis loops have confirmed the ferroelectric behaviour of the films: they show a remanent polarisation of 2.5 mu C/cm(2). No fatigue was observed up to 10(9) full switching.
引用
收藏
页码：225 / 228
页数：4
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