2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/162670We report a large entropy change (DeltaS) below 300 K, peaking near TC= 220 K, due to isothermal change of magnetic field, for Gd4Co3, with a refrigeration capacity higher than that of Gd. Notably, the isothermal magnetization is nonhysteretic - an important criterion for magnetic refrigeration without loss. DeltaS behavior is also compared with that of magnetoresistance.Eur. Phys.J. B, in pressStrongly Correlated ElectronsMaterials Sciencetext