采用柠檬酸sol-gel工艺合成了Ba2-zPbxZn1 2Co0.8Fe12O22(z=0.0、0.5、1.0、1.5)Y型铁氧体.采用XRD、SEM对其相成分、显微结构进行研究.并对其复介电常数和复磁导率在1MHz~6GHz下的变化规律进行了研究.结果表明,铁氧体的复介电常数基本不随测试频率的变化而变化,其μ"谱上显示出非常明显的由自然共振引起的共振峰,该共振峰随铁氧体粉末热处理温度的升高移向低频.
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