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Spectrally resolved thermoluminescence of highly irradiated LiF:Mg,Cu,P detectors

机译:高辐照LiF:Mg,Cu,P检测器的光谱解析热发光

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摘要

Well known, widely applied high sensitive thermoluminescence (TL) detector LiF:Mg,Cu,P (MCP-N) was investigated. This paper analyses changes of the TL emission spectrum of MCP-N after irradiation with ultra high doses (up to 500 kGy). Spectral dependence of TL on dose is very complex especially in the region of very high doses (>1 kGy). As a general trend we found that the number of peaks increases with dose in the long-wavelength region indicating new types of recombination centres (RCs). Wavelength peak positions for increasing doses are quite stable. Only some of them show slight red-shift.
机译:研究了众所周知的,应用广泛的高灵敏度热致发光(TL)检测器LiF:Mg,Cu,P(MCP-N)。本文分析了超高剂量(高达500 kGy)照射后MCP-N的TL发射光谱的变化。 TL对剂量的光谱依赖性非常复杂,尤其是在非常高剂量(> 1 kGy)的区域。作为一般趋势,我们发现在长波长区域中,峰数随剂量增加而增加,表明出现了新型的重组中心(RCs)。增加剂量的波长峰值位置非常稳定。只有其中一些显示出轻微的红移。

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