Abstract
The energy storage properties of antiferroelectric (AFE) Pb0.96La0.04Zr0.98Ti0.02O3 (PLZT 4/98/2) thin films were investigated as a function of temperature and applied electric field. The results indicated that recoverable energy density (Ure) and charge-discharge efficiency (η) of PLZT (4/98/2) depend weakly on temperature (from room temperature to 225 °C), while Ure increases linearly and η decreases exponentially with increasing electric field at room temperature. These findings are explained qualitatively on the basis of the kinetics of the temperature-induced transition of AFE-to-paraelectric phase and the field-induced transition of AFE-to-ferroelectric phase, respectively. The high Ure (≈61 J/cm3) and low leakage current density (≈3.5 × 10−8 and 3.5 × 10−5 A/cm2 at 25 and 225 °C, respectively) indicate that antiferroelectric PLZT (4/98/2) is a promising material for high-power energy storage.
Authors
4
- Zhongqiang Hu (first)
- Beihai Ma (additional)
- R. E. Koritala (additional)
- Uthamalingam Balachandran (additional)
References
24
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Dates
Type | When |
---|---|
Created | 11 years, 1 month ago (July 2, 2014, 8:30 p.m.) |
Deposited | 2 years ago (Aug. 4, 2023, 1:56 a.m.) |
Indexed | 3 weeks, 4 days ago (July 30, 2025, 7:03 a.m.) |
Issued | 11 years, 1 month ago (June 30, 2014) |
Published | 11 years, 1 month ago (June 30, 2014) |
Published Online | 11 years, 1 month ago (July 2, 2014) |
Published Print | 11 years, 1 month ago (June 30, 2014) |
@article{Hu_2014, title={Temperature-dependent energy storage properties of antiferroelectric Pb0.96La0.04Zr0.98Ti0.02O3 thin films}, volume={104}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.4887066}, DOI={10.1063/1.4887066}, number={26}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Hu, Zhongqiang and Ma, Beihai and Koritala, R. E. and Balachandran, Uthamalingam}, year={2014}, month=jun }