Table 1 Comparison of critical exponents of Fe3GeTe2, CrSiTe3 and CrGeTe3 with different theoretical models.
From: Critical behavior of the van der Waals bonded high T C ferromagnet Fe3GeTe2
Composition | Ref | Technique | β | γ | δ |
|---|---|---|---|---|---|
Fe3GeTe2 | This work | MAP | 0.327 ± 0.003 | 1.079 ± 0.005 | 4.300 ± 0.045cal |
KFP | 0.322 ± 0.004 | 1.063 ± 0.008 | 4.301 ± 0.065cal | ||
Cricital isotherm | 4.261 ± 0.009 | ||||
Mean field | Ref. 13 | Theory | 0.5 | 1.0 | 3.0 |
3D Heisenberg | Ref. 15 | Theory | 0.365 | 1.386 | 4.8 |
3D XY | Ref. 15 | Theory | 0.345 | 1.316 | 4.81 |
3D Ising | Ref. 15 | Theory | 0.325 | 1.24 | 4.82 |
Tricritical mean-field | Ref. 18 | Theory | 0.25 | 1.0 | 5 |
CrSiTe3 | Ref. 20 | MAP | 0.170 ± 0.008 | 1.532 ± 0.001 | 9.917 ± 0.008 |
CrGeTe3 | Ref. 21 | MAP | 0.242 ± 0.006 | 0.985 ± 0.003 | 5.032 ± 0.005 |
