Effects of different processing parameters on structure of Ba1-xSrxTiO3 powders synthesized via nonhydrolytic sol-gel method

被引：0

作者：

Jiang, Feng ^{[1
]}

Zheng, Entao ^{[1
]}

Feng, Guo ^{[1
]}

Yang, Qing ^{[1
]}

Jin, Wenwei ^{[1
]}

Shao, Chuan ^{[2
]}

Liu, Jianmin ^{[1
]}

Wang, Dahai ^{[3
]}

Liang, Jian ^{[1
]}

机构：

[1] Jingdezhen Ceram Univ, Dept Mat Sci & Engn, Jingdezhen 333000, Peoples R China

[2] Jingdezhen Comprehens Inspect & Testing Ctr, Jingdezhen 333000, Peoples R China

[3] Jingdezhen Oceano Ceram Co, Jingdezhen 333000, Peoples R China

来源：

PROCESSING AND APPLICATION OF CERAMICS | 2024年 / 18卷 / 02期

基金：

中国国家自然科学基金;

关键词：

nonhydrolytic sol-gel method; Ba(1-x)Sr(x)TiO(3 </span>)powders; synthesis optimization; STRONTIUM-TITANATE POWDER; DIELECTRIC-PROPERTIES; HYDROTHERMAL SYNTHESIS; GRAIN-SIZE; CERAMICS;

D O I：

10.2298/PAC2402224J

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The rapid development of miniaturization and refinement of modern electronic components has led to higher requirements for nanosized powders. The barium strontium titanate (Ba1-xSrxTiO3, BST) nanopowders with fine grains, uniform particle size and high purity have broad application prospects. Herein, BST nanopowders were synthesized via nonhydrolytic sol-gel method and the effects of different processing parameters on structure were investigated systematically by using X-ray diffraction, transmission electron microscopy, laser particle size analyser and thermogravimetric mass spectrometry. In the first step, different dispersants, dispersant concentration and calcination temperature were selected for synthesis of Ba0.6Sr0.4TiO3 powder to find optimal conditions. In the second step, these optimal conditions were used to synthesize BST powders, but different (Ba+Sr)/Ti and Ba/Sr molar ratios were used to find those that can enable preparation of single phase cubic perovskite powder. Therefore, this study showed how the processing parameters can be systematically tuned with the idea to obtain ultra-fine single phase BST nanoparticles.

引用

页码：224 / 233

页数：10

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