Coexistence of positive and negative magnetic entropy changes in CeMn2(Si1 − xGe x)2 compounds

Coexistence of positive and negative magnetic entropy changes in CeMn₂(Si_{1 − x}Ge_x)₂ compounds

Zuo Wen-Liang†, Hu Feng-Xia, Sun Ji-Rong, Shen Bao-Gen‡

The temperature dependences of ZFC and FC magnetizations for CeMn₂(Si_{1− x}Ge_x)₂ compounds with a magnetic field of 0.01 T: (a) x = 0.2, (b) x = 0.4, (c) x = 0.6, (d) x = 0.8.