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

From: Newtype single-layer magnetic semiconductor in transition-metal dichalcogenides VX2 (X = S, Se and Te)

 

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

  1. and are estimated from the standard mean field expressions. TC is calculated from the Monte Carlo simulations with β the critical exponent.
Back to article page