Coexistence of positive and negative magnetic entropy changes in CeMn2(Si1 − xGe x)2 compounds
Zuo Wen-Liang†, Hu Feng-Xia, Sun Ji-Rong, Shen Bao-Gen‡
       
(a), (c) The magnetic isotherms and (b), (d) the corresponding Arrott curves of the CeMn2(Si0.6Ge0.4)2 compound.