Table 2 Intrinsic properties of monolayer stanane, including GW0 band gap at Γ (E g ), first absorption peak (E f.p ), binding energy of tight binding exciton (E tb ), maximum intensity of the absorption peak (E m.p ) and the redshift of E m.p (ΔE m.p ) under 0% and 2% strain with and without SOC.
From: Quasiparticle and optical properties of strained stanene and stanane
Strain | SOC | GW0 E g (eV) | BSE E f.p (eV) | E tb (eV) | RPA E m.p (eV) | BSE E m.p (eV) | ΔE m.p (eV) |
---|---|---|---|---|---|---|---|
0% | without | 2.05 | 1.75 | 0.30 | 4.19 | 3.48 | 0.71 |
with | 1.63 | 1.54 | 0.09 | 4.11 | 3.50 | 0.61 | |
2% | without | 1.64 | 1.36 | 0.28 | 4.02 | 3.28 | 0.74 |
with | 1.22 | 1.12 | 0.10 | 3.96 | 3.26 | 0.70 |