Use of Terbium Doped Phosphate Glasses for High Dose Radiation Dosimetry—Thermoluminescence Characteristics, Dose Response and Optimization of Readout Method
The phosphate glass samples doped with Tb<sub>2</sub>O<sub>3</sub> oxide (general formula: P<sub>2</sub>O<sub>5</sub>-Al<sub>2</sub>O<sub>3</sub>-Na<sub>2</sub>O-Tb<sub>2</sub>O<sub>3</sub>) w...
Main Authors: | , , |
---|---|
Format: | Article |
Language: | English |
Published: |
MDPI AG
2021-08-01
|
Series: | Applied Sciences |
Subjects: | |
Online Access: | https://www.mdpi.com/2076-3417/11/16/7221 |
id |
doaj-234fad15fe8842d6a913428714f0d179 |
---|---|
record_format |
Article |
spelling |
doaj-234fad15fe8842d6a913428714f0d1792021-08-26T13:29:13ZengMDPI AGApplied Sciences2076-34172021-08-01117221722110.3390/app11167221Use of Terbium Doped Phosphate Glasses for High Dose Radiation Dosimetry—Thermoluminescence Characteristics, Dose Response and Optimization of Readout MethodAndrzej Gasiorowski0Piotr Szajerski1Jose Francisco Benavente Cuevas2Institute of Applied Radiation Chemistry, Lodz University of Technology, Wroblewskiego 15, 93-590 Lodz, PolandInstitute of Applied Radiation Chemistry, Lodz University of Technology, Wroblewskiego 15, 93-590 Lodz, PolandThe Center for Energy, Environmental and Technological Research (CIEMAT), Av. Complutense 40, 28040 Madrid, SpainThe phosphate glass samples doped with Tb<sub>2</sub>O<sub>3</sub> oxide (general formula: P<sub>2</sub>O<sub>5</sub>-Al<sub>2</sub>O<sub>3</sub>-Na<sub>2</sub>O-Tb<sub>2</sub>O<sub>3</sub>) were synthesized and studied for usage in high-dose radiation dosimetry (for example, in high-activity nuclear waste disposals). The influence of terbium concentration on thermoluminescent (TL) signals was analyzed. TL properties of glasses were investigated using various experimental techniques such as direct measurements of TL response vs. radiation dose, T<sub>max</sub>–T<sub>stop</sub> and VHR (various heating rate) methods, and glow curve deconvolution analysis. The thermoluminescence dosimetry (TLD) technique was used as the main investigation tool to study detectors’ dose responses. It has been proved that increasing the concentration of terbium oxide in glass matrices significantly increases the thermoluminescence yield of examined material. For the highest dose range (up to 35 kGy), the dependence of the integrated thermoluminescent signals vs. dose can be considered as a saturation-type curve. Additional preheating of samples improves linearity of signal vs. dose dependencies and leads to a decrease of the signal loss over time. All obtained data suggest that investigated material can be used in high-dose radiation dosimetry. Additional advantages of the investigated dosimetric system are its potential ability to re-use the same dosimeters multiple times and the fact that reading dosimeters only requires usage of a basic TL reader without any modifications.https://www.mdpi.com/2076-3417/11/16/7221dosimetryionizing radiationthermoluminescencedosimeterglassphosphate |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Andrzej Gasiorowski Piotr Szajerski Jose Francisco Benavente Cuevas |
spellingShingle |
Andrzej Gasiorowski Piotr Szajerski Jose Francisco Benavente Cuevas Use of Terbium Doped Phosphate Glasses for High Dose Radiation Dosimetry—Thermoluminescence Characteristics, Dose Response and Optimization of Readout Method Applied Sciences dosimetry ionizing radiation thermoluminescence dosimeter glass phosphate |
author_facet |
Andrzej Gasiorowski Piotr Szajerski Jose Francisco Benavente Cuevas |
author_sort |
Andrzej Gasiorowski |
title |
Use of Terbium Doped Phosphate Glasses for High Dose Radiation Dosimetry—Thermoluminescence Characteristics, Dose Response and Optimization of Readout Method |
title_short |
Use of Terbium Doped Phosphate Glasses for High Dose Radiation Dosimetry—Thermoluminescence Characteristics, Dose Response and Optimization of Readout Method |
title_full |
Use of Terbium Doped Phosphate Glasses for High Dose Radiation Dosimetry—Thermoluminescence Characteristics, Dose Response and Optimization of Readout Method |
title_fullStr |
Use of Terbium Doped Phosphate Glasses for High Dose Radiation Dosimetry—Thermoluminescence Characteristics, Dose Response and Optimization of Readout Method |
title_full_unstemmed |
Use of Terbium Doped Phosphate Glasses for High Dose Radiation Dosimetry—Thermoluminescence Characteristics, Dose Response and Optimization of Readout Method |
title_sort |
use of terbium doped phosphate glasses for high dose radiation dosimetry—thermoluminescence characteristics, dose response and optimization of readout method |
publisher |
MDPI AG |
series |
Applied Sciences |
issn |
2076-3417 |
publishDate |
2021-08-01 |
description |
The phosphate glass samples doped with Tb<sub>2</sub>O<sub>3</sub> oxide (general formula: P<sub>2</sub>O<sub>5</sub>-Al<sub>2</sub>O<sub>3</sub>-Na<sub>2</sub>O-Tb<sub>2</sub>O<sub>3</sub>) were synthesized and studied for usage in high-dose radiation dosimetry (for example, in high-activity nuclear waste disposals). The influence of terbium concentration on thermoluminescent (TL) signals was analyzed. TL properties of glasses were investigated using various experimental techniques such as direct measurements of TL response vs. radiation dose, T<sub>max</sub>–T<sub>stop</sub> and VHR (various heating rate) methods, and glow curve deconvolution analysis. The thermoluminescence dosimetry (TLD) technique was used as the main investigation tool to study detectors’ dose responses. It has been proved that increasing the concentration of terbium oxide in glass matrices significantly increases the thermoluminescence yield of examined material. For the highest dose range (up to 35 kGy), the dependence of the integrated thermoluminescent signals vs. dose can be considered as a saturation-type curve. Additional preheating of samples improves linearity of signal vs. dose dependencies and leads to a decrease of the signal loss over time. All obtained data suggest that investigated material can be used in high-dose radiation dosimetry. Additional advantages of the investigated dosimetric system are its potential ability to re-use the same dosimeters multiple times and the fact that reading dosimeters only requires usage of a basic TL reader without any modifications. |
topic |
dosimetry ionizing radiation thermoluminescence dosimeter glass phosphate |
url |
https://www.mdpi.com/2076-3417/11/16/7221 |
work_keys_str_mv |
AT andrzejgasiorowski useofterbiumdopedphosphateglassesforhighdoseradiationdosimetrythermoluminescencecharacteristicsdoseresponseandoptimizationofreadoutmethod AT piotrszajerski useofterbiumdopedphosphateglassesforhighdoseradiationdosimetrythermoluminescencecharacteristicsdoseresponseandoptimizationofreadoutmethod AT josefranciscobenaventecuevas useofterbiumdopedphosphateglassesforhighdoseradiationdosimetrythermoluminescencecharacteristicsdoseresponseandoptimizationofreadoutmethod |
_version_ |
1721195105786789888 |