Pb(Zn1/3Nb2/3)O3基复相陶瓷的显微结构发展与介电性能的关系

1.西安交通大学电子材料与器件研究所,西安,710049

2.西安交通大学电子材料与器件研究所,西安,710049

3.西安交通大学电子材料与器件研究所,西安,710049

4.西安交通大学电子材料与器件研究所,西安,710049

The Relationship between Microstructural Development and Dielectic Properties of Pb(Zn1/3Nb2/3)O3-based Composite Ceramics

采用混合烧结法在PZN-BT-PT系统中制备了温度稳定PZN基复相陶瓷,借助SEM、TEM和介电温谱研究了复相陶瓷的显微结构发展与介电性能的关系,结果表明,复相陶瓷以溶解-沉淀机制进行晶粒生长,伴随该过程发生两相间固溶反应,使介电常数的温度稳定性降低.

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