| T(K) | ZT | T(K) | ZT |
| P-PbTe | N-PbTe | ||
| 321 | 0.17 | 320 | 0.18 |
| 422 | 0.48 | 420 | 0.39 |
| 522 | 1.13 | 524 | 0.71 |
| 622 | 1.76 | 620 | 1.09 |
| 722 | 1.86 | 726 | 1.44 |
| 822 | 2.12 | 824 | 1.51 |
| 922 | 2.05 | 924 | 1.41 |
| P-BiTe | N-BiTe | ||
| 327 | 0.88 | 326 | 0.83 |
| 379 | 0.95 | 337 | 0.94 |
| 431 | 0.91 | 423 | 1.11 |
| 482 | 0.72 | 524 | 0.92 |