. 2016 Sep 7;6:32625. doi: 10.1038/srep32625

Table 3. Calculated energy gaps from GGA, GGA + SO, GGA + U, GGA + U + SO with U = 2, J = 0.87 eV, GW, and HSE for geometrically optimized VX₂ (X = S, Se, and Te) monolayers.

(eV)	GGA	GGA + SO	GGA + U	GGA + U + SO	GW	HSE
VS₂	0.046	0.044	0.473	0.473	1.334	1.110
VSe₂	0.225	0.251	0.651	0.684	1.200	1.150
VTe₂	0.201	0.149	0.379	0.282	0.705	0.560

Table 3. Calculated energy gaps from GGA, GGA + SO, GGA + U, GGA + U + SO with U = 2, J = 0.87 eV, GW, and HSE for geometrically optimized VX2 (X = S, Se, and Te) monolayers.