Critical temperatures of YBCO thin films prepared in each growth and post-growth annealing condition.
Growth conditions | |||||
---|---|---|---|---|---|
Temperature (°C) | Laser fluence (J/cm2) | Oxygen pressure (mTorr) | Post-growth annealing | Variable | |
730 | 1.3 | 500 | 730 °C/20 min | Laser fluence (at 500 mTorr) | 47 |
730 | 1.6 | 500 | 730 °C/20 min | 55 | |
730 | 1.8 | 500 | 730 °C/20 min | 46 | |
730 | 1.1 | 200 | 730 °C/20 min | Laser fluence (at 200 mTorr) | 45 |
730 | 1.3 | 200 | 730 °C/20 min | 55 | |
730 | 1.4 | 200 | 730 °C/20 min | 46 | |
730 | 1.8 | 200 | 730 °C/20 min | 46 | |
730 | 2.0 | 200 | 730 °C/20 min | 39 | |
730 | 1.6 | 500 | 730 °C/20 min | Post-growth Annealing condition (at 500 mTorr) | 55 |
730 | 1.6 | 500 | 500 °C/60 min | 58 | |
730 | 1.6 | 500 | 0 min | 60 | |
730 | 1.6 | 200 | 730 °C/20 min | Post-growth Annealing condition (at 200 mTorr) | 55 |
730 | 1.6 | 200 | 500 °C/60 min | 53 | |
700 | 1.6 | 500 | 0 min | Temperature | 56 |
730 | 1.6 | 500 | 0 min | 61 | |
760 | 1.6 | 500 | 0 min | 45 | |
730 | 1.6 | 500 | 470 °C/30 min 700 Torr | Growth and Post-growth annealing condition (Fig. 1) | 93 |
730 | 1.1 | 500 | 730 °C/30 min 500 Torr | 26 | |
730 | 1.6 | 500 | 500 °C/30 min 760 Torr | Post-growth annealing condition (Fig. 2) | 90 |
730 | 1.6 | 500 | 0 min | 58 | |
730 | 1.6 | 500 | 730 °C/30 min 500 Torr | 55 |