Magnetic properties and magnetocaloric effect of the Cr-based spinel sulfides Co1−xCuxCr2S4

Magnetic properties and magnetocaloric effect of the Cr-based spinel sulfides Co_1−xCu_xCr₂S₄

Zheng Xiao-Chao^{1, 2}, Li Xi-Yang², He Lun-Hua^{2, 3}, Zhang Shao-Ying^{2, 3}, Tang Ming-Hua^{4, ‡}, Wang Fang-Wei^{2, 3, †}

(color online) (a)–(c) Magnetization versus magnetic field (M–H) measurements and (d)–(f) the corresponding Arrott plots of Co_1−xCu_xCr₂S₄ (x = 0, 0.6, 0.8) at temperature close to their Curie temperatures, respectively.