通过传统固相法制备了不同锶含量的钛酸锶钡陶瓷,研究不同烧结温度和保温时间条件下钛酸锶钡陶瓷的物相、微观形貌、介电和铁电特性.结果表明,随烧结温度的升高和保温时间的延长,陶瓷的结晶度先增加后减少,其中1280℃烧结4h的陶瓷结晶度最好,而且随着Sr含量的增加其晶粒粒度减小,Pr下降,P-E回线变窄且倾斜,同时介电常数下降,且表现出一定的频率、温度弥散特征.
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