Enhanced piezoelectric properties of (Ba1-xCax)(Zr0.11Ti0.89)O3 by alternating current poling

IF 5.8 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Journal of Alloys and Compounds Pub Date : 2025-03-31 DOI:10.1016/j.jallcom.2025.180144

Wenfeng Liu , Dongsheng Ran , Yi Zhao , Yan Liang , Ran Zhuo , Shengtao Li

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引用次数: 0

Abstract

Piezoceramics with both high d₃₃ and large S_max/E_max are needed for various electronic devices. In the present study, Ba_1-xCa_xTi_0.89Zr_0.11O₃ (x = 0.09, 0.12, 0.15, and 0.18) ceramics were designed and prepared by the solid-state reaction method. The piezoelectric properties of Ba_1-xCa_xTi_0.89Zr_0.11O₃ ceramics poled by different poling conditions were investigated from the view of domain structure. The superior piezoelectric properties were achieved in the samples under AC poling at x = 0.12, with d₃₃ of 405 pC/N and S_max/E_max of 620 pm/V, which had increased by 16 % and 18 % respectively over those under DC poling. Such results could be attributed to the higher domain wall density under AC poling, which was considered as an effective method to enhance the piezoelectric properties of lead-free piezoceramics, resulting in more attraction for both actuators and sensors. Moreover, the temperature stability of Ba_1-xCa_xTi_0.89Zr_0.11O₃ ceramics was also studied in this work, which is beneficial for applications within a wide temperature range.

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来源期刊

Journal of Alloys and Compounds 工程技术-材料科学：综合

CiteScore

11.10

自引率

14.50%

发文量

5146

审稿时长

67 days

期刊介绍： The Journal of Alloys and Compounds is intended to serve as an international medium for the publication of work on solid materials comprising compounds as well as alloys. Its great strength lies in the diversity of discipline which it encompasses, drawing together results from materials science, solid-state chemistry and physics.