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Condensed Matter > Materials Science

arXiv:2211.15896 (cond-mat)
[Submitted on 29 Nov 2022]

Title:Tripling energy storage density through order-disorder transition induced polar nanoregions in PbZrO3 thin films by ion implantation

Authors:Yongjian Luo, Changan Wang, Chao Chen, Yuan Gao, Fei Sun, Caiwen Li, Xiaozhe Yin, Chunlai Luo, Ulrich Kentsch, Xiangbin Cai, Mei Bai, Zhen Fan, Minghui Qin, Min Zeng, Jiyan Dai, Guofu Zhou, Xubing Lu, Xiaojie Lou, Shengqiang Zhou, Xingsen Gao, Deyang Chen, Jun-Ming Liu
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Abstract:Dielectric capacitors are widely used in pulsed power electronic devices due to their ultrahigh power densities and extremely fast charge/discharge speed. To achieve enhanced energy storage density, both maximum polarization (Pmax) and breakdown strength (Eb) need to be improved simultaneously. However, these two key parameters are inversely correlated. In this study, order-disorder transition induced polar nanoregions (PNRs) have been achieved in PbZrO3 thin films by making use of the low-energy ion implantation, enabling us overcome the trade-off between high polarizability and breakdown strength, which leads to the tripling of the energy storage density from 20.5 J/cm3 to 62.3 J/cm3 as well as the great enhancement of breakdown strength. This approach could be extended to other dielectric oxides to improve the energy storage performance, providing a new pathway for tailoring the oxide functionalities.
Subjects: Materials Science (cond-mat.mtrl-sci)
Cite as: arXiv:2211.15896 [cond-mat.mtrl-sci]
  (or arXiv:2211.15896v1 [cond-mat.mtrl-sci] for this version)
  https://doi.org/10.48550/arXiv.2211.15896
Journal reference: Applied Physics Reviews 2023
Related DOI: https://doi.org/10.1063/5.0102882

Submission history

From: Deyang Chen [view email]
[v1] Tue, 29 Nov 2022 03:26:51 UTC (1,054 KB)
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