期刊
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
卷 28, 期 13, 页码 9344-9350出版社
SPRINGER
DOI: 10.1007/s10854-017-6673-4
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资金
- Start-up Funding for Scientific Research Projects in Jiangxi University of Technology
The sintering, fatigue and electrical properties for BFO and Bi(0.85 - x)La(0.15)PbxFeO(3) (BLPF, x = 0-0.10) multiferroic ceramics were investigated. The microstructure of - BLPFx measured by SEM showed that, the grain size gradually decreased from 2.8 mu m to 900 nm with the increase of Pb. The dielectric response of these samples revealed that Pb-doping drastically improved the dielectric properties. For x = 0.05 ceramics, the polarization fatigue proceeded much more slowly; after - 108 switching cycles, the polarization was 97.3% of its virgin value. The influence of porosity and oxygen vacancies on the polarization fatigue was investigated.
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