Table 1. Review of N 1s Assignments of Adsorbed Nitrogen Species on Nickel Surfaces.
| species | surface | BE (eV) | references |
|---|---|---|---|
| Nad | Ni(110) | 397.0 | (39) |
| Ni(100), Ni(110) | 397.0 | (63) | |
| Ni(111) | 397.8 | (59) | |
| Ni(110) | 398.0 | (62) | |
| Ni(poly) | 397.8 | (60, 61) | |
| Ni(poly) | 397.3 | (70) | |
| N2phys | Ni(111) | 405.5a | (64) |
| Ni(110) | 405.3a | (39) | |
| Ni(poly) | 405.7a | (60) | |
| N2chem | Ni(111) | 401.0a | (64, 71) |
| Ni(110) | 399.4a | (39) | |
| Ni(poly) | 400.6a | (60, 61) | |
| N2O | Ni(poly) | 402.0a, 406.0a | (60, 61) |
| NO | Ni(111) | 399.8 | (65) |
| Ni(poly) | 399.5 | (60, 61) | |
| Ni(poly) | 399.4 | (70) | |
| NO2 | Ni(poly) | 403.0 | (60) |
| NHx(x = 1,2) | Ni(100), Ni(110) | 398.5 | (63) |
| Ni(111) | 399.7 | (59) | |
| Ni(110) | 398.4 | (62) | |
| NH3 | Ni(100), Ni(110) | 400.5 | (63) |
| Ni(110) | 400.9 | (62) |
a
At temperature ≤80 K.