IRSL and post-IR IRSL residual doses recorded in modern dust samples from the Chinese Loess Plateau

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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Using a set of modern/young (0 to about 200 years old) dust samples collected from the Chinese Loess Plateau the bleachability of IRSL measured at 50°C (IR50) and post-IR50 elevated temperature IRSL (measured at 225°C and at 290°C) is investigated by measuring the apparent (residual) doses recorded by these signals. Doses recorded by quartz OSL are used as a reference. Allowing for differences in dose rates it seems that both IRSL and post-IR IRSL signals yield residual doses that are significantly larger than the doses measured in quartz. These residual doses can be largely explained by thermal transfer caused by preheating. Nevertheless, we advise against the use of a low temperature preheat (
Original languageEnglish
JournalGeochronometria
Volume38
Issue number4
Pages (from-to)432-440
ISSN1733-8387
DOIs
StatePublished - 2011
Peer-reviewedYes
CitationsWeb of Science® Times Cited: 31

Keywords

  • Radiation physics
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