High field magnetization of Pr1–xGdxNi single crystals

Magnetization measurements were carried out on Pr1−xGdxNi single crystals for x=0.1, 0.2, 0.3 and 0.4 using pulsed magnetic fields up to 55T and at 4.2K. For the data observed along the c-axis there are clear indications of transitions, of the combined system of Pr and Gd moments, from a ferrimagnetic to a ferromagnetic state. The observed saturation magnetizations at 55T and intermediate magnetizations at 1T were well modeled assuming ferro- and ferri-magnetic structures, respectively.