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Title: Substitution of Pb with (Li1/2Bi1/2) in PbZrO3-based antiferroelectric ceramics

Journal Article · · Journal of Advanced Dielectrics

PbZrO3-based antiferroelectric (AFE) ceramics are promising dielectrics for high-energy-density capacitors due to their reversible phase transitions during charge–discharge cycles. In this work, a new composition series, [Pb0.93–xLa0.02(Li1/2Bi1/2)xSr0.04][Zr0.57Sn0.34Ti0.09]O3, with Li+ and Bi3+ substitution of Pb2+ at x=0 , 0.04, 0.08, 0.12, 0.16 is investigated for the microstructure evolution, ferroelectric (FE) and dielectric properties. It is found that Li+ and Bi3+ substitution can significantly reduce the sintering temperature and simultaneously enhance the dielectric breakdown strength. An ultrahigh energy efficiency (94.0%) and a large energy density (3.22J/cm3) are achieved in the composition of x = 0.12 with a low sintering temperature (1075°C).

Research Organization:
Iowa State University, Ames, IA (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Advanced Materials & Manufacturing Technologies Office (AMMTO)
Grant/Contract Number:
EE0009105
OSTI ID:
2319033
Journal Information:
Journal of Advanced Dielectrics, Journal Name: Journal of Advanced Dielectrics Journal Issue: 01 Vol. 14; ISSN 2010-135X
Publisher:
World ScientificCopyright Statement
Country of Publication:
United States
Language:
English

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