Some novel features of post-500°C heating blue stimulated OSL emission of fired natural quartz

Koul, D. K.; Soni, A.; Datta, D.

doi:10.1515/geochr-2015-0078

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Tytuł artykułu

Some novel features of post-500°C heating blue stimulated OSL emission of fired natural quartz

Autorzy

Koul D. K. , Soni A. , Datta D.

Wybrane pełne teksty z tego czasopisma

Identyfikatory

DOI

10.1515/geochr-2015-0078

Warianty tytułu

Języki publikacji

Abstrakty

In this study, some novel features of the post 500°C blue stimulated optically stimulated luminescence (OSL) of fired geological quartz are reported. Different observations (i) pulse annealing and (ii) impact of bleaching on high temperature TL glow peak suggested 510°C (heating rate of 2°C/s) TL peak trap to be responsible for the observed emission. The dosimetric properties of this emission were seen to make its applicability for dose assessment till kGy range. The signal was seen to be easily bleachable, reaching background value within 100 s with blue light at 125°C. The signal qualified all the tests (i) reproducibility, (ii) negligible recuperation and (iii) accuracy of dose recovery needed for reliable assessment of the radiation dose with modified Single aliquot regenerative (SAR) protocol. Considering the bleachability and high dynamic dose range of this signal, it has the potential to stretch the upper dose limit of dating by one order of magnitude than possible with conventional OSL, corresponding to 325°C TL trap. So, combining all the results, the signal reported here could be very useful for dosimetric applications involving measurement of high radiation dose, like dating.

Słowa kluczowe

deep traps quartz OSL

Wydawca

De Gruyter

Czasopismo

Geochronometria

Rocznik

2017

Tom

Vol. 44, no. 1

Strony

287--298

Opis fizyczny

Bibliogr. 32 poz., rys.

Twórcy

autor

Koul D. K.

dkkoul@barc.gov.in

Radiological Physics and Advisory Division, Bhabha Atomic Research Centre, Mumbai -85, India

autor

Soni A.

Radiological Physics and Advisory Division, Bhabha Atomic Research Centre, Mumbai -85, India

autor

Datta D.

Radiological Physics and Advisory Division, Bhabha Atomic Research Centre, Mumbai -85, India

Bibliografia

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3. Aitken MJ, 1998. An Introduction to Optical Dating. Oxford University Press, New York.
4. Bailey RM, 2000. The slow component of quartz optically stimulated luminescence. Radiation Measurements32: 233–246.
5. Benny PG, Gundu Rao TK and Bhatt BC, 2002. The E1/- center and its role in TL sensitization in quartz. Radiation Measurements35: 369–373.
6. Bray HE, Bailey RM and Stokes S, 2002. Quantification of cross-irradiation and cross-illumination using a Risø TL/OSL DA-15 reader. Radiation Measurements35: 275–280.
7. Bøtter-Jensen L, Duller GAT, Murray AS and Banerjee D, 1999. Blue light emitting diodes for optical stimulation of quartz in retrospective dosimetry and dating. Radiation Protection Dosimetry84: 335–340.
8. Galloway RB, 1994. Comparison of the green- and Infrared-stimulated luminescence of feldspar. Radiation Measurements23: 617–620.
9. Godfrey-Smith DI, Huntley DJ and Chen WH, 1988. Optical dating studies of quartz and feldspar sediment extracts.Quaternary Science Reviews7: 373–380.
10. Hernandez M and Mercier N, 2015. Characteristics of the post-blue VSL signal from sedimentary quartz. Radiation Measurements78: 1–8.
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12. Jani MG, Bossoli RB and Halliburton LE, 1983a. Further characterization of the E1/- center in crystalline SiO2. Physical Review B27: 2285–2293.
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14. Kitis G, Kiyak NG, Polymeris S and Pagonis V, 2010. Investigation of OSL signals from very deep traps in unfired and fired quartz samples. Nuclear Instruments & Methods in Physics Research Section B268: 592–598.
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16. Koul DK and Chougaonkar MP, 2011. An attempt to estimate firing temperature using OSL pre-dose sensitization of quartz.Geochronometeria38: 1–6.
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18. Koul DK, Soni A, Polymeris GS and Kulkarni M, 2016. Impact of firing on the OSL luminescence properties of natural quartz: A case study. Nuclear Instruments & Methods in Physics Research Section B270: 86–93.
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21. Polymeris G, Kitis G and Pagonis V, 2006. The effects of annealing and irradiation on the sensitivity and superlinearity properties of the 110°C thermoluminescence peak of quartz. Radiation Measurements41: 554–564.
22. Polymeris GS, Afouxenidis D, Tsirliganis NC and Kitis G, 2009. The TL and room temperature OSL properties of the glow peak at 110°C in natural milky quartz: a case study. Radiation Measurements44: 23–31.
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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).

Typ dokumentu

Bibliografia

Identyfikator YADDA

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