储能用Pb (Mg1 / 3Nb2 / 3) O3-Pb (Yb1 / 2Nb1 / 2) O3-PbTiO3三元陶瓷的结构与电学性能

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

Ferroelectrics Letters Section Pub Date : 2022-11-02 DOI:10.1080/07315171.2022.2122415

Venkatraj Athikesavan, S. Bhuvana, G. Thilakavathi

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引用次数: 3

摘要

摘要采用常规固相反应法制备了PMN-PYN-PT (PMN = PbMg1/3Nb2/3O3, PYN = PbYbl/3Nb2/3O3, PT = PbTiO3)多晶三元铁电陶瓷PMN-PYN-PT。研究了陶瓷的结构、电学和储能性能。x射线衍射研究表明，该陶瓷具有四面体相和菱形体相共存的特点。在1 ~ 50 kHz的宽频率范围内，研究了烧结样品的介电特性与室温~ 400℃温度的关系，显示出良好的弛豫特性。陶瓷的P-E磁滞回线证实了良好的铁电性能，PMN-PYN-PT在(Pr ~ 17.5µC cm−2,Ec ~ 36.5和Pm ~ 20.3)处得到。在50 kV/ cm2下实现了0.13 Jcm−3的储能密度(W)。PMN-PYN-PT极化样品的最佳压电系数和压电电压系数分别为d33 ~ 412 pC/N, g33 ~ 1.6。从这些分析来看，所报道的陶瓷是储能电容器应用的有前途的候选者。

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Structural and Electrical Properties of Pb (Mg1 / 3Nb2 / 3) O3-Pb (Yb1 / 2Nb1 / 2) O3-PbTiO3 Ternary Ceramic for Energy Storage Application

Abstract The polycrystalline ternary ferroelectric ceramic of PMN-PYN-PT (PMN = PbMg1/3Nb2/3O3, PYN = PbYbl/3Nb2/3O3, PT = PbTiO3) were synthesized by conventional solid state reaction technique. The structural, electrical and energy-storage properties of the ceramic were investigated. X-ray diffraction studies reveal that the ceramic has a coexistence of both tetragonal and rhombohedral phases. Dielectric studies of the sintered samples were studied as a function of temperature ranging from room temperature to 400 °C and in the wide frequency range of 1–50 kHz which shows good relaxor behavior. P-E hysteresis loops for the ceramic confirm good ferroelectric properties, exhibiting at (Pr ∼ 17.5 µC cm−2, Ec ∼ 36.5 and Pm ∼ 20.3) were obtained for PMN-PYN-PT. Energy storage density (W) of 0.13 Jcm−3 was achieved at 50 kV/cm1. The optimum piezoelectric coefficient and piezoelectric voltage coefficient (d33 ∼ 412 pC/N, g33 ∼1.6) measured on the poled sample for PMN-PYN-PT, respectively. From these analyses, the reported ceramic is a promising candidate for energy-storage capacitor applications.

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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.