Table 1 Comparison of the band gaps calculated at different levels of stanene and stanane (in units of eV).

From: Quasiparticle and optical properties of strained stanene and stanane

Material

GGA(PBE/LDA)

HSE

GW

stanene

our work

0.07

 

0.10

others

0.0714, 15

0.116

 

stanane

our work

0.51

 

1.63

others

0.579

1.017