Phase structure evolution and electric properties of PSN-PIN-PT ferroelectric ceramics near MPB

IF 3.2 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS Journal of Sol-Gel Science and Technology Pub Date : 2024-09-21 DOI:10.1007/s10971-024-06545-z

Menghao Wang, Pinyang Fang, Xiaoshuai Zuo, Feifei Guo, Wei Long, Xiaojuan Li, Zengzhe Xi

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Abstract

In order to explore the ceramic composition in the morphotropic phase boundary suitable for the high temperature electronic components, Pb(Sc_1/2Nb_1/2)O₃-Pb(In_1/2Nb_1/2)O₃-PbTiO₃(PSN-PIN-PT) ceramics were designed and prepared by using the solid-state reaction method. Effect of the ceramic composition on the phase structure and electric properties of the PSN-PIN-PT ceramics were investigated. For 0.40PSN-(0.60-x)PIN-xPT(x = 0.360, 0.375, 0.390, 0.405), the increase in the PT could improve gradually Curie temperature T_c (262–292°C), but will reduce the phase transition T_R-T (94–181 °C). Maximum of piezoelectric coefficient d₃₃ (578 pC/N) could be obtained in the 0.40PSN-0.21PIN-0.39PT ceramics, together with large residual polarization P_r (~36.7 µC/cm²) and high coercive field E_c (~9.3 kV/cm). These performances make the PSN-PIN-PT ceramics have great potential applications in the high temperature device.

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PSN-PIN-PT 铁电陶瓷在 MPB 附近的相结构演化和电学特性

为了探索适合高温电子元件的各向异性相界中的陶瓷成分，采用固态反应方法设计并制备了 Pb(Sc1/2Nb1/2)O3-Pb(In1/2Nb1/2)O3-PbTiO3(PSN-PIN-PT) 陶瓷。研究了陶瓷成分对 PSN-PIN-PT 陶瓷相结构和电性能的影响。对于 0.40PSN-(0.60-x)PIN-xPT(x = 0.360、0.375、0.390、0.405)，PT 的增加会逐渐提高居里温度 Tc（262-292°C），但会降低相变温度 TR-T（94-181°C）。0.40PSN-0.21PIN-0.39PT 陶瓷可获得最大压电系数 d33（578 pC/N），同时还具有较大的残余极化 Pr（约 36.7 µC/cm2）和较高的矫顽力场 Ec（约 9.3 kV/cm）。这些性能使得 PSN-PIN-PT 陶瓷在高温器件中具有巨大的应用潜力。图文摘要

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来源期刊

Journal of Sol-Gel Science and Technology 工程技术-材料科学：硅酸盐

CiteScore

4.70

自引率

4.00%

发文量

280

审稿时长

2.1 months

期刊介绍： The primary objective of the Journal of Sol-Gel Science and Technology (JSST), the official journal of the International Sol-Gel Society, is to provide an international forum for the dissemination of scientific, technological, and general knowledge about materials processed by chemical nanotechnologies known as the "sol-gel" process. The materials of interest include gels, gel-derived glasses, ceramics in form of nano- and micro-powders, bulk, fibres, thin films and coatings as well as more recent materials such as hybrid organic-inorganic materials and composites. Such materials exhibit a wide range of optical, electronic, magnetic, chemical, environmental, and biomedical properties and functionalities. Methods for producing sol-gel-derived materials and the industrial uses of these materials are also of great interest.