Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
The values of the trapping parameters of MgO resulting from the CGCD analysis using both general order kinetics and OTOR analytical equation_
| Peak no. | Tm (°C) | E (eV) | R | b | %OSL (RT) | %OSL (170°C) |
|---|---|---|---|---|---|---|
| 1 | 102 ± 2 | 0.90 ± 0.09 | 0.42 ± 0.07 | 1.40 ± 0.02 | 12.50 | - |
| 2 | 132 ± 1 | 0.94 ± 0.11 | 0.76 ± 0.17 | 1.97 ± 0.05 | 1.50 | - |
| 3 | 194 ± 2 | 0.82 ± 0.03 | 0.90 ± 0.06 | 1.55 ± 0.05 | 1.55 | 1.30 |
| 4 | 292 ± 4 | 1.13 ± 0.05 | 0.65 ± 0.16 | 1.60 ± 0.10 | 38.12 | 50.44 |
| 5 | 353 ± 3 | 1.24 ± 0.03 | 0.81 ± 0.04 | 1.90 ± 0.07 | 30.64 | 32.94 |
| 6 | 464 ± 2 | 1.45 ± 0.04 | 0.71 ± 0.07 | 1.79 ± 0.17 | 15.27 | 14.59 |
The fitting parameters of the RTL integrated signals as a function of the bleaching time using both general order and OTOR analytical equations_ The values are the mean between of the values obtained by the two different equations_ The error values provide a strong indication towards the agreement of the two different Equations used_
| Peak Tm (°C) | OSL T | τ1 (s) | % | τ2 (s) | % |
|---|---|---|---|---|---|
| 102 | RT | 6.34 ± 0.71 | 90 | 75 ± 11 | 10 |
| 134+194 | RT | 5.68 ± 1.91 | 85 | 150 ± 40 | 15 |
| 292 | RT | 276 ± 15 | 72 | 2726 ± 380 | 28 |
| 353 | RT | 130 ± 31 | 28 | 2350 ± 280 | 72 |
| 464 | RT | 221 ± 25 | 20 | 2750 ± 360 | 80 |
| 292 | 170°C | 98 ± 7 | 58 | 782 ± 42 | 42 |
| 353 | 170°C | 85 ± 18 | 20 | 828 ± 40 | 80 |
| 464 | 170°C | 55 ± 10 | 07 | 1920 ±210 | 93 |
The fitting parameters from the analysis of the LM-OSL curve using both general order and OTOR analytical equations_ The values are the mean between of the values obtained by the two different equations_ Error values provide a strong indication towards the agreement of the two different Equations used_
| Component | OSL T | tm (s) | τ (s) | R | b | % |
|---|---|---|---|---|---|---|
| C1 | RT | 5.38 ± 0.45 | 0.036 ± 0.003 | 0.6 | 1.7 | 2 ± 0.15 |
| C2 | RT | 15.64 ± 0.22 | 0.306 ± 0.003 | 0.7 | 1.8 | 23.3 ± 1.1 |
| C3 | RT | 55.9 ± 4.1 | 3.9 ± 0.003 | 0.83 | 1.9 | 35.5 ± 4 |
| C4 | RT | 248 ± 38 | 76.9 ± 0.003 | 0.93 | 1.8 | 31.9 ± 2.9 |
| C5 | RT | 1151 ± 450 | 1667 ± 0.003 | 0.01 | 1.1 | 7.29 ± 0.16 |
| C1 | 170°C | 4.33 ± 0.7 | 0.024 ± 0.003 | 0.68 | 1.6 | 0.74 ± 0.18 |
| C2 | 170°C | 20.01 ± 0.40 | 0.506 ± 0.003 | 0.83 | 1.65 | 17.5 ± 1.3 |
| C3 | 170°C | 53 ± 0.5 | 3.51 ± 0.003 | 0.81 | 1.8 | 16.4 ± 0.5 |
| C4 | 170°C | 244.8 ± 9.5 | 74.42 ± 0.003 | 0.94 | 1.9 | 43.9 ± 2.1 |
| C5 | 170°C | 723 ± 92 | 653 ± 0.003 | 0.51 | 1.4 | 21.4 ± 2.5 |