Table 4. Calculated exchange interaction parameters J₁ and J₂ and the Curie temperatures of VS₂, VSe₂, and VTe₂ monolayers.

	VS2	VSe2	VTe2
J1 (meV)	23.8	38.8	44.3
J2 (meV)	−0.05	−0.002	−0.001
(K)	138	223	225
(K)	369	600	686
β	0.423	0.393	0.374
TC (K)	292	472	553

and are estimated from the standard mean field expressions. T_C is calculated from the Monte Carlo simulations with β the critical exponent.