Enhancement of energy storage performance in PLZT/PLZ heterostructured thin films via an amorphous Al2O3 interfacial layer

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成果类型：

期刊论文

作者：

Jianing Zhu;Jia He;Piyu Gong;Fuling Wu;Shibing Xiao;...

通讯作者：

Quanyao Zhu

作者机构：

State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China

[Quanyao Zhu] School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070 Hubei, China

Advanced Ceramics Institute of Zibo New & High-Tech Industrial Development Zone, Zibo 255000 Shandong, China

College of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421002, China

[Jianing Zhu; Jia He; Piyu Gong; Fuling Wu; Wenqi Sun; Zijin Meng; Qingqing Zhang; Dongchun Qiu; Huajun Sun] State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China<&wdkj&>School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070 Hubei, China<&wdkj&>Advanced Ceramics Institute of Zibo New & High-Tech Industrial Development Zone, Zibo 255000 Shandong, China

通讯机构：

[Quanyao Zhu] S

School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070 Hubei, China

语种：

英文

期刊：

Materials Letters

ISSN：

0167-577X

年：

2026

卷：

403

页码：

139392

DOI：

10.1016/j.matlet.2025.139392

基金类别：

Acknowledgements This work was supported by the National Natural Science Foundation of China (Grant No. U1806221 ), and Instruction & Development Project for National Innovation Demonstration Zone of Shandong Province (Nos. 2018ZCQZB01 , 2019ZCQZB03 ).

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本校为其他机构

院系归属：

化学与材料科学学院

摘要：

This paper demonstrates a heterostructured capacitor combining low-hysteresis Pb 0.94 La 0.06 ZrO 3 (PLZ) with high-polarization Pb 0.94 La 0.06 (Zr 0.52 Ti 0.48 )O 3 (PLZT) on LaNiO3/Si substrates. Strategic insertion of Al 2 O 3 (AO) interlayer at PLZT/PLZ interface effectively suppressed leakage currents while optimizing electric field distribution, substantially enhancing breakdown field strength from 2057 kV/cm to 3620 kV/cm. Optimized PLZT/AO/PLZ heterostructure exhibited outstanding energy storage performance, achieving record-high recoverable energy density of 101.4 J/cm 3 with 74.7 % ...

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Enhancement of energy storage performance in PLZT/PLZ heterostructured thin films via an amorphous Al2O3 interfacial layer

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