Enhanced electrical and ferroelectric properties in a multiferroic (BiFeO3/Bi0.5Na0.5TiO3)3/LaNiO3 superlattices structure

被引：0
|
作者：
X. Q. Cheng
J. Miao
S. Z. Wu
F. Shao
L. Q. Guo
X. G. Xu
Y. Jiang
机构：
[1] University of Science and Technology Beijing,School of Materials Science and Engineering
[2] University of Science and Technology Beijing,Corrosion and Protection Center, Key Laboratory of Environmental Fracture (Ministry of Education)
来源：
Applied Physics A | 2014年 / 114卷
关键词：
BiFeO3; Bottom Electrode; Leakage Current Density; LaNiO3; Space Charge Limited Current;
D O I：
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中图分类号：
学科分类号：
摘要：
Artificial multiferroic superlattices (SL), consisting of BiFeO3 (16 nm)/Bi0.5Na0.5TiO3 (5 nm) (BFO/BNT SL), were grown on (001) SrTiO3 single crystal by pulsed laser deposition method. The cross-sectional, surface morphology, and crystallographic structure of BFO/BNT SL and BFO single layer were investigated. It was found that the electrical, ferroelectric, and magnetic properties of BFO/BNT SL exhibit a remarkably enhancement compared with BFO single layer. The influence of BNT buffering layer, lattice strain, and interfaces interplay of the SL structure are supposed to benefit their ferroelectric and ferromagnetic properties. Our works suggested the BFO/BNT SL with an improved multiferroic characteristics have a promising application for the future informational storage devices.
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页码：367 / 372
页数：5
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