Show simple item record G. en_US Geoff en_US Helen en_US Ann G. en_US 2011-05-16T11:16:21Z 2011-05-16T11:16:21Z 2010-08 en_US
dc.identifier en_US
dc.identifier.citation Adamiec , G , Duller , G , Roberts , H & Wintle , A G 2010 , ' Improving the TT-OSL SAR protocol through source trap characterisation ' Radiation Measurements , vol 45 , no. 7 , pp. 768-777 . , 10.1016/j.radmeas.2010.03.009 en_US
dc.identifier.other PURE: 159920 en_US
dc.identifier.other dspace: 2160/6737 en_US
dc.description.abstract Thermally-transferred optically stimulated luminescence (TT-OSL) extends the age range of OSL dating using quartz. A set of experiments have been undertaken to determine the kinetic parameters of the TT-OSL source traps, and this information has been used to propose an improved TT-OSL single aliquot regenerative (SAR) dose protocol. By combining together OSL and thermoluminescence (TL) measurements on fine-grained quartz, a correspondence between TL peaks and the TT-OSL signal is found. The thermal stability of the main TT-OSL trap was estimated by applying Hoogenstraaten’s method and allowing for thermal quenching; this predicts a lifetime of 4.5 Ma at 10 °C. A set of experiments were undertaken to refine the treatment needed at the end of each SAR cycle to erase the previously acquired TT-OSL signal. An improved TT-OSL SAR protocol using this treatment is proposed, and it is tested on quartz from a young Holocene sample. These tests yielded excellent recycling ratios and excellent dose recovery. en_US
dc.format.extent 10 en_US
dc.relation.ispartof Radiation Measurements en_US
dc.subject OSL en_US
dc.subject quartz en_US
dc.subject TT_OSL en_US
dc.subject recuperation en_US
dc.subject kinetic parameters en_US
dc.title Improving the TT-OSL SAR protocol through source trap characterisation en_US
dc.contributor.pbl Institute of Geography & Earth Sciences en_US

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