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Chemical compositions (in at %) of the indicated regions in Figure 10.
| Region | Al | Mo | Nb | Ta | Ti | O |
|---|---|---|---|---|---|---|
| 1 | 13.6 ± 0.3 | 0.0 ± 0.0 | 13.1 ± 0.3 | - | 9.7 ± 0.5 | 63.7 ± 0.1 |
| 2 | 7.0 ± 0.3 | 0.4 ± 0.2 | 8.6 ± 0.6 | - | 19.2 ± 0.3 | 64.8 ± 0.7 |
| 3 | 1.3 ± 0.4 | 2.7 ± 0.4 | 24.9 ± 4.2 | - | 5.7 ± 1.1 | 65.4 ± 3.8 |
| 4 | 0.4 ± 0.1 | 4.0 ± 0.2 | 9.2 ± 0.3 | 12.1 ± 0.1 | 4.9 ± 0.1 | 69.3 ± 0.1 |
| 5 | 2.7 ± 0.7 | 1.9 ± 0.5 | 6.8 ± 1.1 | 8.1 ± 0.8 | 12.5 ± 2.3 | 68.0 ± 0.6 |
