Table 1 The adsorption energy for alkali-metal-adsorbed g-GaN with different sites
From: Alkali-metal-adsorbed g-GaN monolayer: ultralow work functions and optical properties
Adsorption style | EadsTGa (eV) | EadsTB (eV) | EadsTN (eV) | EadsTM (eV) |
|---|---|---|---|---|
Li | − 1.89 | − 1.90 | − 1.26 | − 1.92 |
Na | − 1.07 | − 1.12 | − 0.76 | − 1.18 |
K | − 1.07 | − 1.09 | − 0.81 | − 1.21 |
Rb | − 0.94 | − 0.98 | − 0.77 | − 1.07 |
Cs | − 0.94 | − 1.03 | − 0.71 | − 1.08 |