journal article·2023-03-29

Enhancing Electromechanical Properties of PZT-Based Piezoelectric Ceramics by High-Temperature Poling for High-Power Applications

Wugang Wang, Zhengran Chen, Zhiyong Zhou, Yaoguo Li, Ruihong Liang

ACS Applied Materials & Interfaces· Volume 15· Issue 12
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Abstract

Defect engineering is a proven method to tune the properties of perovskite oxides. In demanding high-power piezoelectric ceramic applications, acceptor doping is the most effective method to harden ceramics, but it inevitably degrades the ceramics’ electromechanical properties. Herein, a poling method based on acceptor doping, namely, high-temperature poling, is implemented by applying an electric field above the Curie temperature for poling to achieve a balance of the properties of piezoelectric coefficient d 33 and mechanical quality factor Q m . After high-temperature poling, the piezoelectric property of 0.6 mol % Mn-doped Pb 0.92 Sr 0.08 (Zr 0.533 Ti 0.443 Nb 0.024 )O 3 is d 33 = 483 pC/N and Q m = 448. Compared with the traditional poling, the piezoelectric coefficient d 33 of the high-temperature poling ceramics increased by approximately 40%, and Q m also increased by nearly 18%. Therefore, high d 33 and Q m were exhibited by our PZT piezoelectric ceramics. Rayleigh’s law analysis, XRD, and transmission electron microscopy analysis show that, after high-temperature poling, the considerably increased d 33 is related to the large increase in the reversible domain wall motion in the intrinsic effect, while the slightly increased Q m is related to the inhibited irreversible domain wall motion in the extrinsic effect. This study reports a method for high-temperature poling and provides insights into the design of high-power piezoelectric ceramics with high d 33 and Q m .
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Research context

OpenAlex topics: Ferroelectric and Piezoelectric Materials · Multiferroics and related materials · Dielectric materials and actuators

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, People’s Republic of China

Laboratory of Science and Technology on Marine Navigation and Control, China State Shipbuilding Corporation, 268 Dingzigu First Road, Hongqiao District, Tianjin 300131, People’s Republic of China

Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Science, Beijing 100049, People’s Republic of China

School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, People’s Republic of China

State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People’s Republic of China

Beijing Keeven Aviation Instrument Co. Ltd., Courtyard 5, Shijun Street, Renhe Town, Shunyi District, Beijing 101399, People’s Republic of China

Funding

Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · Chinese Academy of Sciences · Laboratory of Science and Technology on Marine Navigation and Control, China State Shipbuilding Corporation

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