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在分析稀土磁性常用的哈密顿中，引入了自旋－自旋偶极作用，用参数拟合的方法对Ｈｏ_２Ｃｏ_（１４）Ｆｅ_３的磁化曲线进行了分析，计算结果与实验数据符合得很好，并且揭示了Ｈｏ_２Ｃｏ_（１４）Ｆｅ_３磁矩的突变现象。
The spin-spin dipole function was introduced into Hamiltonian, which is commonly used for the analysis of rare earth magnetism. The magnetization curve of Ho_2Co_ (14) Fe_3 was analyzed by parameter fitting method. The calculated results are in good agreement with the experimental data. The phenomenon of the magnetic moment of Ho_2Co_ (14) Fe_3 was also revealed.