MPB 范围内 (Ba1-xCax)(Ti0.93Zr0.01Sn0.06)O3 陶瓷的多相结构和最佳性能

IF 1.7 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

Journal of Electroceramics Pub Date : 2024-03-25 DOI:10.1007/s10832-024-00345-1

Gambheer Singh Kathait, Vishal Rohilla, Surita Maini

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引用次数: 0

摘要

(0.93 - x)BT - 0.01BZ - 0.06BS - xCT 或 (Ba1-xCax)(Ti0.93Zr0.01Sn0.06)O3 （简称 BCZTS）陶瓷。研究发现，这些样品的正方体（Amm2）、斜方体（R3m）和四方体（P4mm）结构共存于两相和三相中，且具有不同的相分数。在掺入 0.055 摩尔%和 0.065 摩尔%的钙后，结晶晶粒的尺寸最大。x = 0.07 时获得了最佳特性（Pmax = 12.05 μC/cm2，Pr = 5.61 μC/cm2，Ec = 230 V/mm，d*33 = 404 pm/V，Qc = 6.44 µC/cm2，Tc = 102 °C），发现正方体相、斜方体相和四方体相同时出现。对于 MPB 范围内的成分，储能特性表明在低掺杂钙值的情况下具有较高的储能效率。鉴于所有这些发展，掺杂钙、锆和锡的 BCZTS 陶瓷显然是无铅电子产品的良好选择。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Multi-phase structure and optimal properties of (Ba1-xCax)(Ti0.93Zr0.01Sn0.06)O3 ceramics in the MPB range

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Multi-phase structure and optimal properties of (Ba1-xCax)(Ti0.93Zr0.01Sn0.06)O3 ceramics in the MPB range

(0.93 − x)BT − 0.01BZ − 0.06BS − xCT or (Ba_1-xCa_x)(Ti_0.93Zr_0.01Sn_0.06)O₃ (abbreviated as BCZTS) ceramics were produced using the standard solid-state reaction for 0.045 ≤ x ≤ 0.07. For the samples, it was found that orthorhombic (Amm2), rhombohedral (R3m) and tetragonal (P4mm) structures coexisted in two phases as well as three phases with distinct phase fractions. The largest size of crystalline grains was achieved after doping with 0.055 mol% and 0.065 mol% Ca. The optimal properties (P_max = 12.05 μC/cm², P_r = 5.61 μC/cm², E_c = 230 V/mm, d^*₃₃ = 404 pm/V, Q_c = 6.44 µC/cm², T_c = 102 °C) were obtained for x = 0.07 where it has been found that orthorhombic, rhombohedral, and tetragonal phases all occurred at the same time. For compositions in the MPB range, the energy storage characteristics indicate high energy storage efficiency for low value of Ca doping. Given all the developments, it is obvious that Ca, Zr and Sn-doped BCZTS ceramics would be a good choice for lead-free electronics.

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来源期刊

Journal of Electroceramics 工程技术-材料科学：硅酸盐

CiteScore

2.80

自引率

5.90%

发文量

审稿时长

5.7 months

期刊介绍： While ceramics have traditionally been admired for their mechanical, chemical and thermal stability, their unique electrical, optical and magnetic properties have become of increasing importance in many key technologies including communications, energy conversion and storage, electronics and automation. Electroceramics benefit greatly from their versatility in properties including: -insulating to metallic and fast ion conductivity -piezo-, ferro-, and pyro-electricity -electro- and nonlinear optical properties -feromagnetism. When combined with thermal, mechanical, and chemical stability, these properties often render them the materials of choice. The Journal of Electroceramics is dedicated to providing a forum of discussion cutting across issues in electrical, optical, and magnetic ceramics. Driven by the need for miniaturization, cost, and enhanced functionality, the field of electroceramics is growing rapidly in many new directions. The Journal encourages discussions of resultant trends concerning silicon-electroceramic integration, nanotechnology, ceramic-polymer composites, grain boundary and defect engineering, etc.