Abstract
We have studied the system La 2Fe 14 − x Co x B by means of X-ray diffraction, magnetic measurements and singular point detection (SPD) measurements. We present experimental data on the concentration dependence of the lattice constants, Curie temperatures, saturation magnetization and anisotropy fields. Attention is mainly given to the determination of anisotropy fields, which were also studied as a function of temperature in the range from 4.2 K to the corresponding Curie temperatures. The experimental information obtained for the system La 2Fe 14 − x Co x B was used to distinguish the relative anisotropy contributions of the neodymium sublattice and 3d sublattice in Nd 2Fe 14 − x Co x B.
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