Table 2. Critical Exponents of MnNi_0.7Fe_0.3Ge.

method	TC (K)	β	γ	δ	α	ref
modified Arrott Plot	212.51 ± 0.14	0.315 ± 0.076	1.327 ± 0.045	5.212 ± 1.162		this work
Kouvel-Fisher	212.45 ± 0.23	0.406 ± 0.002	1.293 ± 0.019	4.161 ± 0.062a		this work
critical isotherm	212.5			4.176 ± 0.011a		this work
magnetoresistance	∼213	0.392 ± 0.130	1.779 ± 0.672	5.545 ± 1.239	0.55 ± 0.05b	this work
magnetocaloric	∼213	0.331 ± 0.086	1.186 ± 0.322	4.852 ± 0.465		this work
mean-field theory		0.5	1.0	3.0	0.0	(27)
3D Heisenberg model		0.365	1.386	4.80	–0.0115	(27)
3D-Ising model		0.325	1.241	4.82	0.110	(27)
3D-XY model		0.346	1.316	4.81		(27)
tricritical model		0.25	1.0	5.0		(27)

^aδ is obtained using Widom’s relation δ = 1 + γ/β.

^bα is extracted from the resistivity and specific heat using eq 9.