期刊
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
卷 93, 期 12, 页码 4015-4017出版社
WILEY
DOI: 10.1111/j.1551-2916.2010.04226.x
关键词
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资金
- Nature Science Associate Foundation (NSAF) of China [10676035]
- Major Program for the Fundamental Research of Shanghai [10DJ1400203]
- Research Funding of Chinese Academic of Science
- Innovation Project Foundation of Chinese Academy of Sciences [KGCXZ-YW-340]
Charge-discharge properties of an La-modified Pb(Zr,Sn,Ti)O-3 (PLZST) antiferroelectric (AFE) ceramics capacitor were investigated by directly measuring its hysteresis loops and pulse discharge current-time curves under different electric fields. Large increments in polarization and discharge current were observed when the electric field increases from 3 to 3.5 kV/mm. Under 4 kV/mm, the first current peak of this AFE ceramics capacitor (static capacitance around 4.4 nF) can surpass 1.1 kA, and more than 80% electric charge stored can be released in < 65 ns. Moreover, this AFE ceramics capacitor can withstand 2000 times of charge-discharge cycling with no significant degradation of properties under 3.5 kV/mm.
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