Abstract
In this study, Gd3+-doped NCPBZ glass-ceramics were prepared using melt-quenching technique, and their radiation dose performance was investigated. By varying the concentration of Gd3+ ions, we found that the sample with 0.5 mol% concentration exhibited the strongest luminescence and the best optically stimulated luminescence (OSL) intensity. Therefore, further OSL related tests were conducted on samples with this concentration under different doses. The results showed that the continuous wave OSL dose response fitting value of the sample in the range of 0.1–1000 Gy was m = 0.928, which is close to 1, while R2 was 0.9992 in the range of 50–1000 Gy, indicating better linearity. Meanwhile, the relative standard deviation of the OSL intensity for the sample's ten-cycle tests was 1.5%. The Gd3+-doped NaCaPO4 microcrystalline glass studied here is expected to have broad application prospects in wide-range linear radiation dose monitoring.
Published Version
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