Table 1 |
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| Laser ablation parameters and resultant phase assemblages of nonstoichiometric titanium oxides via PLAL | ||||
| Sample number | 1 | 2 | 3 | 4 |
| 1064 nm excitation | FR | FR | QS | QS |
| Pulsed energy (mJ/pulse) | 900 | 1100 | 550 | 650 |
| Pulse duration | 0.24 ms | 0.24 ms | 16 ns | 16 ns |
| Beam size (mm2) | 0.03 | 0.03 | 0.03 | 0.03 |
| Fluence (kJ/cm2) | 3.0 | 3.7 | 1.8 | 2.2 |
| Frequency (Hz) | 10 | 10 | 10 | 10 |
| Power density (107W/cm2) | 13 | 15 | 1.1 × 104 | 1.4 × 104 |
| Phases | A < T1T2T3 | A < T1T2T3 | A > T1T2T3 | A > T3 |
| Assembly | NCA | NCA | MWT | MWT |
| Internal stress (GPa)* | 5.2 | 5.5 | 4.2 | 4.5 |
FR free run mode, QSQ-switch mode, A amorphous phase, T1TiO, T2Ti2O3, T3TiO2, NCA nano chain aggregate, MWT multiple wall tube
* Based on SAED lattice parameter of the TiO2 nanocondensates and the Birch-Murnaghan equation of state of the rutile with relevant bulk modulus and its pressure derivative [45] (cf. text)
Huang et al. Nanoscale Research Letters 2010 5:972 doi:10.1186/1556-276X-5-972
