采用喷射-沉淀法制备了纳米晶Ni-Zn铁氧体粉料.在10～ 110 MHz通过Agilent阻抗仪测量纳米晶Ni-Zn铁氧体/环氧树脂复合材料磁导率.结果表明:600℃下煅烧1.5h,喷射-共沉淀法制备Ni-Zn铁氧体晶粒尺寸约为30 nm;随着环氧树脂含量减少和成型压力增大,纳米晶Ni-Zn铁氧体/环氧树脂复合材料磁导率实部μ′逐渐增大、虚部μ″逐渐减小;相同工艺条件下,Ni-Zn铁氧体晶粒尺寸增大,磁导率实部μ′逐渐增大而虚部μ″减小,纳米Ni0.4Zn0.6Fe2 O4具有最佳磁导率.
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