The effects of ionisation density on the glow curve structure of LiF:Mg,Ti (TLD-100): The behaviour of composite glow peak 5 in 'slow-cooled' material

E. Fuks; Y. Horowitz; L. Oster; Y. Belaish; B. Ben Shahar

doi:10.1093/rpd/ncm041

The effects of ionisation density on the glow curve structure of LiF:Mg,Ti (TLD-100): The behaviour of composite glow peak 5 in 'slow-cooled' material

E. Fuks, Y. Horowitz, L. Oster, Y. Belaish, B. Ben Shahar

Department of Physics

Research output: Contribution to journal › Article › peer-review

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Abstract

The effects of ionisation density on the structure of the glow curve of LiF:Mg,Ti (TLD-100) are briefly reviewed and discussed within the framework of the spatially correlated TC/LC model and localised recombination. The effects of 'slow-cooling' on the structure of composite peak 5 following low-ionisation density beta/gamma irradiation are described and analysed in both 'slow-cooled' and 'normally cooled' samples. It is demonstrated that 'low-cooling' using a cooling rate of 30°C h ^-1 increases the relative intensity of glow peak 5a to composite glow peak 5 from ∼0.1 to ∼2, thereby greatly improving the precision of measurement of the ratio 5a/5. The improved precision removes a hurdle impeding the development of the ionisation density discrimination properties of the peak 5a/5 nanodosimeter.

Original language	English
Pages (from-to)	194-197
Number of pages	4
Journal	Radiation Protection Dosimetry
Volume	126
Issue number	1-4
DOIs	https://doi.org/10.1093/rpd/ncm041
State	Published - 1 Dec 2007

ASJC Scopus subject areas

Radiological and Ultrasound Technology
Radiation
Radiology Nuclear Medicine and imaging
Public Health, Environmental and Occupational Health

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10.1093/rpd/ncm041

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title = "The effects of ionisation density on the glow curve structure of LiF:Mg,Ti (TLD-100): The behaviour of composite glow peak 5 in 'slow-cooled' material",

abstract = "The effects of ionisation density on the structure of the glow curve of LiF:Mg,Ti (TLD-100) are briefly reviewed and discussed within the framework of the spatially correlated TC/LC model and localised recombination. The effects of 'slow-cooling' on the structure of composite peak 5 following low-ionisation density beta/gamma irradiation are described and analysed in both 'slow-cooled' and 'normally cooled' samples. It is demonstrated that 'low-cooling' using a cooling rate of 30°C h -1 increases the relative intensity of glow peak 5a to composite glow peak 5 from ∼0.1 to ∼2, thereby greatly improving the precision of measurement of the ratio 5a/5. The improved precision removes a hurdle impeding the development of the ionisation density discrimination properties of the peak 5a/5 nanodosimeter.",

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T2 - The behaviour of composite glow peak 5 in 'slow-cooled' material

AU - Fuks, E.

AU - Horowitz, Y.

AU - Oster, L.

AU - Belaish, Y.

AU - Shahar, B. Ben

PY - 2007/12/1

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AB - The effects of ionisation density on the structure of the glow curve of LiF:Mg,Ti (TLD-100) are briefly reviewed and discussed within the framework of the spatially correlated TC/LC model and localised recombination. The effects of 'slow-cooling' on the structure of composite peak 5 following low-ionisation density beta/gamma irradiation are described and analysed in both 'slow-cooled' and 'normally cooled' samples. It is demonstrated that 'low-cooling' using a cooling rate of 30°C h -1 increases the relative intensity of glow peak 5a to composite glow peak 5 from ∼0.1 to ∼2, thereby greatly improving the precision of measurement of the ratio 5a/5. The improved precision removes a hurdle impeding the development of the ionisation density discrimination properties of the peak 5a/5 nanodosimeter.

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The effects of ionisation density on the glow curve structure of LiF:Mg,Ti (TLD-100): The behaviour of composite glow peak 5 in 'slow-cooled' material

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