通过ZrO2与SnO2复合掺杂制备了低损耗的MnZn铁氧体材料.研究了在贫铁配方的基础上添加SnO2-ZrO2对MnZn铁氧体微观结构、电性能以及磁性能的影响.结果表明,适量的SnO2-ZrO2复合掺杂有利于促进晶粒均匀致密,明显提高了材料的电阻率,降低比损耗因子,在ξ(SnO2:ZrO2)为3:1时材料的电阻率达到最大值29.5 Ωm,比损耗因子达到最小值4.8×10-6.复合掺杂还能提高材料的居里温度、饱和磁感应强度和起始磁导率,当ξ(SnO2:ZrO2)为3:1时磁性能都达到最佳.
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