The Magnetic/Electrical Phase Diagram of Cr-Doped Antiperovskite Compounds GaCFe_3−𝑥Cr_𝑥 (0≤𝑥≤0.9)

Figure 3

(Color online) (a) Isotherm magnetization 𝑀(𝐻) curves for GaCFe_2.6Cr_0.4 between 180 and 390 K with external magnetic fields up to 45 kOe. (b) The Arrott plots deduced from 𝑀(𝐻) curves in (a). (c) Isotherm magnetization 𝑀(𝐻) curves for GaCFe_2.2Cr_0.8 between 100 and 250 K. (d) The Arrott plots deduced from 𝑀(𝐻) curves in (c).

(a)

(b)

(c)

(d)