Influence of Ni/Mn ratio on magnetostructural transformation and magnetocaloric effect in Ni48−xCo2Mn38+xSn12 (x = 0, 1.0, 1.5, 2.0, and 2.5) ferromagnetic shape memory alloys

Influence of Ni/Mn ratio on magnetostructural transformation and magnetocaloric effect in Ni_48−xCo₂Mn_38+xSn₁₂ (x = 0, 1.0, 1.5, 2.0, and 2.5) ferromagnetic shape memory alloys

Shah Ishfaq Ahmad¹, Hassan Najam ul¹, Rauf Abdur², Liu Jun¹, Gong Yuanyuan¹, Xu Guizhou¹, Xu Feng^{1, †}

(color online) (a) Phase diagram for Ni_48−xCo₂Mn_38+xSn₁₂ (x = 0, 1.0, 1.5, 2.0, and 2.5) alloys as a function of x. (b)-(d) M–B curves for Ni_48−xCo₂Mn_38+xSn₁₂ (x = 1.0, 1.5, and 2.0) alloys with a maximum magnetic field of 5 T.