中文摘要：

从核壳结构的壳层材料、纳米粒子的磁性机理两个方面对磁性核壳纳米材料进行论述。对壳层材料分别为金属、氧化物和有机物的核壳纳米磁性粒子的常用制备方法进行了分析探讨。根据不同结构铁／铁氧化物的磁性随时间变化的研究，总结磁性纳米粒子性能随时间变化的原因。对其应用前景和当前合成核壳纳米磁性粒子存在的主要问题进行了展望。

英文摘要：

The shell material and the relevant magnetic mechanisms of the magnetic coreshell nanocomposites are reviewed in detail. The common preparation methods of the shell material made of metals, oxides and organic are analyzed and discussed, The changes of magnetic performance with the times are discussed and summarized. Finally, both the application prospects and the main issues on the current coreshell magnetic nanoparticles preparation are prospected.