We performed large-scale micromagnetic simulations on core–shell particle systems for and nanocomposites, where both magnetically hard and soft materials were considered as the core or shell materials of these particles. A detailed analysis of the influence of structural properties and exchange core–shell coupling within the same particle on the magnetization reversal of a nanocomposite was carried out, revealing different remagnetization scenarios in terms of the evolution of magnetization distributions in soft magnetic cores. The optimal nanocomposite compounds with respect to the energy product of material were predicted.

中文翻译：

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由核-壳粒子组成的纳米复合材料的磁化反转模型

我们对核-壳粒子系统中执行的大型微磁模拟和纳米复合材料，其中两个硬磁和软的材料被认为是这些颗粒的核或壳材料。对同一粒子内的结构性质和交换核-壳耦合对纳米复合材料的磁化反转的影响进行了详细分析，揭示了软磁核中磁化分布演变方面的不同磁化情况。预测了相对于材料能量乘积的最佳纳米复合材料。