综述了近年来弛豫铁电单晶和织构陶瓷的制备及其介电、压电性能的研究进展.弛豫铁电单晶的制备方法主要有高温溶液法、布里奇曼法和固态再结晶法,尺寸可达40mm以上,(001)切片压电常数d33最大可达3000pC/N, k3达到0.93, 但是成分不均匀仍是影响晶体压电性能的一个主要因素.织构陶瓷的制备方法主要为固态再结晶法(TGG法和RTGG法), 其耗时短、成本低,压电性能可达到单晶的60%～80%,介电常数甚至可以超过部分单晶,是一个新的发展方向.
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