影响电容器用固态反应BaTiO3粉末介电性能和可靠性的主要因素

IF 2.2 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

Journal of Asian Ceramic Societies Pub Date : 2022-09-23 DOI:10.1080/21870764.2022.2114671

Seong Hyeok Choi, Yoon-Seok Lee, Hun Kwak, H. Jung, Min-Kee Kim, S. Cho, J. Yoon, JiYeoun. Choi, Min Seong Kim, Ji Hyeon Kim, I. Jo, Yangdo Kim, Moonhee Choi

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引用次数: 2

摘要

本研究以BaCO3和TiO2为原料，在不同条件下进行分解，成功合成了固态BaTiO3。通过对合成粉体的微观结构、四方性、结晶度和粒度分布的分析，确定了影响BaTiO3固态合成粉体性能的因素。此外，根据各粉末的介电特性、耐高温性和温度，研究了烧结试样的介电常数(温度特征系数)的变化，以确定崩解条件、合成粉末和烧结试样之间的直接和间接关系。最后，导出了制备多层陶瓷电容器用BaTiO3粉末的最佳工艺条件。

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Major factors affecting the dielectric properties and reliability of solid stated reacted BaTiO3 powders for capacitor

ABSTRACT In this study, solid-state BaTiO3 was successfully synthesized after the disintegration of the starting materials (BaCO3 and TiO2) under various conditions. By analyzing the microstructure, tetragonality, crystallinity, and particle size distribution of the synthesized powder, the factors that affected the properties of the BaTiO3 solid-state synthetic powder were successfully identified. Furthermore, the changes in the dielectric constants (temperature characteristic coefficients) of the sintered specimens were investigated using each powder, according to the dielectric characteristics, high-temperature resistance, and temperature, to identify the direct and indirect relationships between the disintegration conditions, synthetic powders, and sintered specimens. Finally, optimal conditions for the uniform solid-state synthesis of BaTiO3 powder for multilayer ceramic capacitor production were derived.

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来源期刊

Journal of Asian Ceramic Societies Materials Science-Ceramics and Composites

CiteScore

5.00

自引率

4.30%

发文量

审稿时长

10 weeks

期刊介绍： The Journal of Asian Ceramic Societies is an open access journal publishing papers documenting original research and reviews covering all aspects of science and technology of Ceramics, Glasses, Composites, and related materials. These papers include experimental and theoretical aspects emphasizing basic science, processing, microstructure, characteristics, and functionality of ceramic materials. The journal publishes high quality full papers, letters for rapid publication, and in-depth review articles. All papers are subjected to a fair peer-review process.