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- Title
Improved electrical and ferroelectric properties of multiferroic NaBiTiO/BiNdFeO/NaBiTiO sandwiched structure by a sol-gel process.
- Authors
Shao, F.; Miao, J.; Wu, S.; Li, Z.; Xu, X.; Feng, P.; Jiang, Y.
- Abstract
A ferroelectric/multiferroic/ferroelectric sandwiched structure composed by NaBiTiO (NBT) and BiNdFeO (BNF) with a LaNiO buffer layer were prepared by a sol-gel method. X-ray diffraction indicated the NBT/BNF/NBT films exhibited a pure perovskite structure. The average grain size of BNF and NBT/BNF/NBT were found to be 40 and 80 nm, respectively. Interestingly, the electrical and ferroelectric properties such as leakage current, dielectric constant, and remnant polarization of NBT/BNF/NBT sandwiched layer, were superior to those of BNF single film. However, the saturation magnetization of NBT/BNF/NBT sandwiched layer was reduced. Our work suggested the NBT/BNF/NBT sandwiched layer with improved multiferroic characteristics have a promising application for future information storage devices.
- Subjects
FERROELECTRICITY; ELECTRIC properties; MULTIFERROIC materials; SOL-gel processes; SODIUM compounds; X-ray diffraction; BISMUTH compounds; PEROVSKITE
- Publication
Journal of Materials Science: Materials in Electronics, 2014, Vol 25, Issue 6, p2411
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-014-1860-z