Table 1 Crystalline structures of identified phases obtained by laser ablation and percentage of oxide layer in the irradiated titanium surfaces
Phase | Oxide layer (%) | ||
|---|---|---|---|
132 J/cm2 | 210 J/cm2 | 235 J/cm2 | |
α titanium (hexagonal) | 47.1 | 42.2 | 43.5 |
β titanium (cubic) | 11.2 | 9.4 | 5.9 |
TiO (rhombohedral) | 5.3 | 6.4 | 11.4 |
Ti2O (rhombohedral) | 27.7 | 38.5 | 7.3 |
Ti3O (rhombohedral) | – | 1.3 | 30.8 |
Ti6O (rhombohedral) | 8.6 | 2.2 | 1.0 |