Magnetocaloric effect and critical behavior of the Mn-rich itinerant material Mn<sub>3</sub>GaC with enhanced ferromagnetic interaction

Magnetocaloric effect and critical behavior of the Mn-rich itinerant material Mn₃GaC with enhanced ferromagnetic interaction

Liu Pengfei^{1, 2}, Peng Jie¹, Xue Mianqi², Wang Bosen^{3, †}

(a) H/T vs. 1/T with constant M. Inset: the plots of H/MT vs. 1/T. (b) Scaled data in M vs. (H + H_exch) and polynomial fit. Inset: the exchange field H_exch vs. M with the formula H_exch = λ₁ M+ λ₃M³. (c) The experimental and the calculated curves. (d) ΔS_M with ΔH = 20 kOe, 30 kOe, and 45 kOe for comparison.