Microwave ceramic material PrVO4 and preparation method thereof

The invention belongs to the field of electronic ceramics and manufacturing thereof, and provides a microwave ceramic material PrVO4 and a preparation method thereof. The chemical formula of the microwave ceramic material is PrVO4, the crystal phase is PrVO4, and the microwave ceramic material has a tetragonal crystal structure. The microwave ceramic material has good microwave performance after being sintered at 1200-1300 DEG C, the dielectric constant is 11-12, the Q * f value is 8000-45000 GHz, and the temperature coefficient of resonance frequency is-30 ppm/DEG C to-40 ppm/DEG C. The microwave ceramic material is simple in preparation process, low in production cost and beneficial to industrial production. 本发明属于电子陶瓷及其制造领域，提供一种微波陶瓷材料PrVO4及其制备方法。所述微波陶瓷材料的化学式为PrVO4，晶相为PrVO4，具有四方晶体结构。所述微波陶瓷材料在1200～1300℃烧结拥有良好的微波性能：介电常数为11～12，Q×f值为8000～45000GHz，谐振频率温度系数为-30～-40ppm/℃。该微波陶瓷材料制备工艺简单、生产成本低，有利于实现工业化生产。