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在Hamiltonian中考虑了交换作用、自旋-自旋偶极作用、Zeeman作用,应用参数拟合的方法,对稀土化合物Y_(1-x)Gd_xCo_5的磁性实验数据进行了理论分析。这些实验数据包括温度为4.2K和300K的磁化曲线以及自发磁化曲线等。理论计算结果与磁性实验数据相符合,并进一步揭示了Hamiltonian中各种作用对磁性的贡献。
Considering exchange, spin-spin dipole and Zeeman functions in Hamiltonian, the magnetic experimental data of rare earth compound Y_ (1-x) Gd_xCo_5 have been theoretically analyzed. These experimental data include the temperature of 4.2K and 300K of the magnetization curve and spontaneous magnetization curve. The theoretical calculation results are in good agreement with the magnetic experimental data and further reveal the contribution of various functions in Hamiltonian to magnetism.