Table 1 XPS core level fitting results and VBM positions
Sample | State | Binding energy(eV) |
---|---|---|
InN | In 3d 5/2 | 443.50 ± 0.03 |
444.52 ± 0.03 | ||
VBM | 0.45 ± 0.1 | |
SrTiO3 | Ti 2p | 458.19 ± 0.03 |
VBM | 1.91 ± 0.03 | |
InN/SrTiO3 | In 3d 5/2 | 443.68 ± 0.03 |
444.87 ± 0.03 | ||
Ti 2p | 458.17 ± 0.03 |