3.3.6. Reproducibility

Reproducibility is another significant aspect of TL material that should stay stable even after repeated usage. The samples were irradiated to 4 Gy and stored for 24 h at room temperature. The numerous cycles of TL reading were recorded. As a result, Figure 14 shows no considerable difference in the results after eight cycles and no changes in transparency or color. The results demonstrated remarkable stability of using the material as a dosimeter [80].

**Figure 14.** Reproducibility of Ag-doped ZnO thin films irradiated 4 Gy with X-ray.
