中文摘要：

采用放电等离子烧结（Spark Plasma Sintering，SPS）技术制备了致密的钛酸锶钡（BSTO）陶瓷材料，分析了其致密化过程和烧结陶瓷试样的微观结构，测试了烧结体的介电和铁电性能。结果表明，SPS烧结技术不仅是一种有效的低温快烧技术，而且获得的BSTO烧结体具有独特的微观结构特征和优异的介电性能。

英文摘要：

The Ba0.5Sr0.5TiO3 （BSTO） ceramics were synthesized by Spark Plasma Sintering （SPS） technique. The phase compositions, microstructure and dielectric properties of BSTO bulk ceramics were investigated. The results indicated that SPS was an alternative sintering technology to synthesize dense BSTO ferroelectric ceramics at low temperature and in a short period. Also BSTO bulk ceramics prepared by SPS have unique microstructure and excellent dielectric properties.