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OSL response of α-Al2O3:C, Mg exposed to beta and UVC radiation: a comparative investigation

See — Continuous wave optically stimulated luminescence (CW-OSL) of an Al2O3:C, Mg single crystal was investigated after irradiation with ultraviolet C radiation (UVC; peak emission at 254 nm) as well as with a beta source under different doses (100 mGy to 3 Gy). Analysis of the OSL decay curves provided experimental evidence that: i) UVC- and beta-irradiated Al2O3:C, Mg single crystal showed similar OSL decay curves, and that ii) a same fast (τ∼2.9 s) and a same slow (τ∼29 s) components were identified in the OSL decay curves for both types of radiation. On the other hand, analysis of the…
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