23. The saturation magnetization corresponds to complete alignment of all atomic dipoles and is given byMsat=µn,wherenis the number of atoms per unit volume andµis the magnetic dipole moment of anatom. The number of nickel atoms per unit volume isn=ρ/mρis the density of nickel. Themass of a single nickel atom is calculated usingm=M/NAMis the atomic mass of nickel and
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