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Recovering laboratory doses using fine-grained quartz from Chinese loess
Wang, XL (Wang, X. L.)[1]; Wintle, AG (Wintle, A. G.)[2,3]; Du, JH (Du, J. H.)[1]; Kang, SG (Kang, S. G.)[1]; Lu, YC (Lu, Y. C.)[1]
2011-10-30
发表期刊Radiation Measurements
卷号46期号:10页码:1073-1081
文章类型期刊论文
摘要

Here we report the results of dose recovery experiments carried out on fine-grained quartz from a Holocene sample in Chinese loess. Optical bleaching prior to giving a 9.35 Gy dose in the laboratory was carried out using artificial light sources, namely blue light emitting diodes (LEDs) and a solar simulator, followed by more than 24 h storage at room temperature. Stimulating the quartz with blue LEDs at room temperature resulted in overestimation of the recovered dose, whereas using the same stimulation time at temperatures above 150 degrees C resulted in the correct value for the recovered dose. Exposure to the solar simulator for times less than 200 min resulted in overestimation of the dose, whereas progressive underestimation was found for longer bleaching times. When doses of up 5333 Gy were given ahead of a 200 min exposure to the solar simulator, the dose recovered depended upon the magnitude of the previous dose, thus questioning the general application of a simple dose recovery experiment.

关键词Quartz OSL SAR Optical bleaching
DOI10.1016/j.radmeas.2011.07.022
收录类别SCI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/10271
专题现代环境研究室
通讯作者Wang, XL (Wang, X. L.)[1]
作者单位1.SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences, 10 Fenghui S. Road. Hi-Tech Zone, Xi’An 710075, PR China;
2.Institute of Geography and Earth Sciences, Aberystwyth University, Aberystwyth SY23 3DB, UK;
3.McDonald Institute for Archaeological Research, University of Cambridge, Downing Street, Cambridge CB2 3ER, UK
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GB/T 7714
Wang, XL ,Wintle, AG ,Du, JH ,et al. Recovering laboratory doses using fine-grained quartz from Chinese loess[J]. Radiation Measurements,2011,46(10):1073-1081.
APA Wang, XL ,Wintle, AG ,Du, JH ,Kang, SG ,&Lu, YC .(2011).Recovering laboratory doses using fine-grained quartz from Chinese loess.Radiation Measurements,46(10),1073-1081.
MLA Wang, XL ,et al."Recovering laboratory doses using fine-grained quartz from Chinese loess".Radiation Measurements 46.10(2011):1073-1081.
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