采用粉末-溶胶工艺制备了铌酸锶钡/钛酸锶钡(SBN/BST)复相陶瓷.X射线衍射研究表明钨青铜相和钙钛矿相共存于体系中.以Clausius(克劳修斯)-Mosotti(莫索缔)方程为基础,采用混合对数法则、铌酸锶钡和钛酸锶钡的理论极化率建立了SBN/BST的介电常数预测模型.结果表明:通过介电常数预测模型得到的数值与实验测试值相吻合.
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