A Radioluminescence Study of Spectral and Dose Characteristics of Common Luminophors

Many synthetic materials are used as thermoluminescence dosemeters for the measurement of the absorbed dose from ionising radiation sources. A part of the absorbed energy leads to a prompt luminescence (radioluminescence, abbreviated RL) which dose behaviour mainly corresponds with the density of ch...

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Bibliographic Details
Published in:Radiation protection dosimetry 2002-01, Vol.100 (1-4), p.403-406
Main Authors: Erfurt, G., R. Krbetschek, M.
Format: Article
Language:English
Subjects:
Aluminum Oxide - chemistry
Aluminum Oxide - radiation effects
Beryllium - chemistry
Beryllium - radiation effects
Biological and medical sciences
Borohydrides - chemistry
Borohydrides - radiation effects
Calcium Fluoride - chemistry
Calcium Fluoride - radiation effects
Calcium Sulfate - chemistry
Calcium Sulfate - radiation effects
Fluorides - chemistry
Fluorides - radiation effects
Lithium Compounds - chemistry
Lithium Compounds - radiation effects
Luminescent Measurements
Medical sciences
Radiochemistry
Spectrophotometry
Thermoluminescent Dosimetry - methods
Zinc Sulfate - chemistry
Zinc Sulfate - radiation effects
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Description
Summary:Many synthetic materials are used as thermoluminescence dosemeters for the measurement of the absorbed dose from ionising radiation sources. A part of the absorbed energy leads to a prompt luminescence (radioluminescence, abbreviated RL) which dose behaviour mainly corresponds with the density of charge carriers in the respective traps or recombinations sites. The RL reported in this study was stimulated using two 137Cs sources with activities of 3.7 MBq (spectral measurements) or 5 MBq (dosimetry studies), respectively, and was recorded steadily during stimulation. This presentation gives a comprehensive survey of the spectral and dose dependent RL properties of a number of luminescent materials like LiF:Mg,Ti, Al2O3:C, CaSO4:Dy, CaF2:Mn, Li2B4O7:Mn, BeO and ZnS:Ag. The spectral and dose dependent results were compared with thermoluminescence as well as other RL studies.
ISSN:0144-8420
1742-3406
DOI:10.1093/oxfordjournals.rpd.a005900