Abstract
In this paper, we present magnetic properties of polycrystalline Gd(Ni 1− x Co x ) 3 intermetallic compounds. The partial replacement of Ni by Co atoms causes the increase in Curie temperature T C. As it was also shown saturation magnetization of the examined samples monotonically decreases with increasing Ni/Co substitution. The magnetocaloric effect (MCE) for several samples with T C values around the room temperature was estimated from magnetic isotherms. The decrease in magnetic entropy connected with the increase in magnetic disorder in 3d magnetic sublattice has been observed.
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