Novel Piezo-active 2–1–2 Composites with Sets of Large Hydrostatic Parameters

IF 1.3 4区物理与天体物理 Q4 PHYSICS, CONDENSED MATTER

Ferroelectrics Letters Section Pub Date : 2023-10-05 DOI:10.1080/07315171.2023.2238175

V. Yu. Topolov

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引用次数: 0

Abstract

AbstractA 2–1–2 composite with two single-crystal components is studied for the first time to highlight large hydrostatic piezoelectric coefficients dh* and gh*, figure of merit dh*gh*, and electromechanical coupling factor kh*. Each 2–1–2 composite contains layers of domain-engineered [011]-poled relaxor-ferroelectric (1–x)Pb(Zn1/3Nb2/3)O3 – xPbTiO3 single crystal (x = 0.0475–0.09) and heterogeneous layers being systems of aligned piezoelectric Li2B4O7 single crystal rods in polyethylene, and these rods have an elliptic cylindrical shape. New diagrams show the volume-fraction ranges wherein large values of dh*> 10−9 C/N, dh*gh*> 2.10−10 Pa−1 and kh*≈ 0.5–0.6 are observed.Keywords: 2–1–2 composite[011]-poled domain-engineered single crystal1–3 composite layerHydrostatic piezoelectric coefficientsElastic anisotropyPACS: 77.84.-s: Dielectricpiezoelectricferroelectricand antiferroelectric materials AcknowledgmentsThe author would like to thank Prof. Dr C. R. Bowen (University of Bath, UK) and Prof. Dr P. Bisegna (University of Rome Tor Vergata, Italy) for their interest in the field of advanced piezoelectric materials and applications.Disclosure StatementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis research was supported by the Southern Federal University (research topic “Development and Materials-Science Substantiation of the Creation of Materials and Products Based on Piezoelectric Ceramics Using Additive Technologies”, contract No. 176/22-D, July 11th, 2022).

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新型大静力参数压电主动2-1-2复合材料

摘要首次研究了具有两个单晶组分的2-1-2复合材料，突出了较大的静水压电系数dh*和gh*、优点系数dh*gh*和机电耦合系数kh*。每一种2-1-2复合材料都包含领域工程[011]-极化弛磁-铁电(1-x)Pb(Zn1/3Nb2/3)O3 - xPbTiO3单晶(x = 0.0475-0.09)层和非均质层，这些非均质层是在聚乙烯中排列的Li2B4O7压电单晶棒，这些棒具有椭圆圆柱形。新的图显示，在体积分数范围内，dh*> 10−9 C/N、dh*gh*> 2.10−10 Pa−1和kh*≈0.5—0.6的值较大。关键词:2-1-2复合材料[011]-极化畴工程单晶- 1 - 3复合层静压压电系数弹性各向异性作者感谢C. R. Bowen教授博士(英国巴斯大学)和P. Bisegna教授博士(意大利罗马大学)对先进压电材料及其应用领域的关注。披露声明作者未报告潜在的利益冲突。本研究由南方联邦大学资助(研究课题“利用增材技术制造基于压电陶瓷的材料和产品的开发和材料科学实证”，合同号176/22-D, 2022年7月11日)。

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来源期刊

Ferroelectrics Letters Section 物理-物理：凝聚态物理

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

4.8 months

期刊介绍： Ferroelectrics Letters is a separately published section of the international journal Ferroelectrics. Both sections publish theoretical, experimental and applied papers on ferroelectrics and related materials, including ferroelastics, ferroelectric ferromagnetics, electrooptics, piezoelectrics, pyroelectrics, nonlinear dielectrics, polymers and liquid crystals. Ferroelectrics Letters permits the rapid publication of important, quality, short original papers on the theory, synthesis, properties and applications of ferroelectrics and related materials.