Abstract The aim of this paper is to characterize the IRSL response of rare earth doped CaF2 and co-doped with Al or Li, produced by the solution combustion synthesis (SCS). The results showed a high intensity of the infrared optically stimulated luminescence (IRSL) response for the samples of CaF2 doped with Tb and co-doped with Li. For the samples of CaF2 doped with Ce and co-doped with Li present better IRSL response than the samples co-doped with Al. It was also observed that the samples of CaF2:Ce,Li present a high fading with 50% reduction of the IRSL signal in a period of 60 min. In case of the CaF2:Tb,Li there is no significant fading during this period. For clinical dosimetry the fast fading of the dosimeter is not adequate. However, this feature can be exploited for other applications such as tamper-proof passive systems that detect and timestamp the movement of undeclared nuclear materials, by the estimation of the OSL response of materials with different fading rates.

中文翻译：

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稀土掺杂的CaF2与燃烧合成的Al或Li共掺杂的红外光激发发光

摘要 本文的目的是表征由溶液燃烧合成 (SCS) 产生的稀土掺杂 CaF2 和共掺杂 Al 或 Li 的 IRSL 响应。结果表明，掺杂 Tb 和共掺杂 Li 的 CaF2 样品具有高强度的红外光受激发光 (IRSL) 响应。对于掺杂 Ce 和共掺杂 Li 的 CaF2 样品，比共掺杂 Al 的样品表现出更好的 IRSL 响应。还观察到 CaF2:Ce,Li 的样品在 60 分钟内呈现高衰减，IRSL 信号降低 50%。在 CaF2:Tb,Li 的情况下，在此期间没有明显的褪色。对于临床剂量测定，剂量计的快速衰减是不够的。然而，