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On the dose rate dependence of radiofluorescence signals of natural quartz

Title data

Friedrich, Johannes ; Fasoli, Mauro ; Kreutzer, Sebastian ; Schmidt, Christoph:
On the dose rate dependence of radiofluorescence signals of natural quartz.
In: Radiation Measurements. Vol. 111 (April 2018) . - pp. 19-26.
ISSN 1350-4487
DOI: https://doi.org/10.1016/j.radmeas.2018.02.006

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

The general behaviour of the main UV emission during radiofluorescence (RF) in natural quartz with dose rates ranging from 10 to 500 mGy s−1 is analysed. RF emission spectra were recorded and deconvolved to extract information on the C band, which is often the main emission of quartz annealed at a temperature close to 500 °C. Our results confirmed theoretical findings, e.g., the direct proportionality of the initial RF signal of the C band with dose rate and the direct proportionality of the initial slope with the squared dose rate. Furthermore, numerical simulations employing a three-energy-level model and experimental data are in agreement. A first concept of using quartz UV-RF for dosimetric application is given based on the findings that different absorbed doses resulting from different dose rates match well into a single UV-RF decay curve.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Luminescence; Radiofluorescence; Quartz; Dose rate; Simulation
Institutions of the University: Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Geomorphology
Profile Fields
Result of work at the UBT: No
DDC Subjects: 500 Science > 530 Physics
500 Science > 550 Earth sciences, geology
Date Deposited: 26 Mar 2018 09:51
Last Modified: 26 Mar 2018 09:51
URI: https://eref.uni-bayreuth.de/id/eprint/43145