Figure 4
From: Critical behavior of the van der Waals bonded high T C ferromagnet Fe3GeTe2

(a) Temperature dependence of M S and χ 0 −1 for Fe3GeTe2 with the fitting solid curves. (b) Kouvel-Fisher plot of M S (dM S /dT)−1 and χ 0 −1(dχ 0 −1 /dT)−1 for Fe3GeTe2 with the fitting solid curves.