本文利用水热法以铁酸镍和钛酸钡为原料,制备了具有尖晶石结构的铁酸镍( NiFe2 O4)和钙钛矿结构的钛酸钡( BaTiO3)复合材料,利用X射线衍射(XRD)和扫描电镜(SEM)对样品的物相和形貌进行了分析.研究了复合样品的介电常数和磁导率随频率和温度的变化.结果表明:复合样品中的钛酸钡在烧结后由四方相转变成六角结构；生成六角结构的钛酸钡颗粒和类球状铁氧体颗粒；介电常数和磁导率随铁氧体含量的增加逐渐增大,复合陶瓷的介电居里温度随铁氧体含量的增加向低温方向移动,磁性居里温度随铁氧体含量的增多向高温方向移动,逐渐接近铁氧体的居里温度.
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