Co 的磁性拟合公式xMT = Aexp(-E1/kT) + Bexp(-E2/kT)
A+B equals the Curie constant, and E1 and E2 represent the
“activation energies” corresponding to the spin–orbit coupling
and the magnetic exchange interaction.
这里面A+B的值与钴的核数有关,还是一定范围的值?单核钴与三核钴的居里常数不一样?拟合出来A+B的值应该不一样吧?