Optimisation of LiF:Cu,Mg,P for radiation protection dosimetry

A. Horowitz; Y. S. Horowitz

doi:10.1093/oxfordjournals.rpd.a080807

Optimisation of LiF:Cu,Mg,P for radiation protection dosimetry

A. Horowitz, Y. S. Horowitz

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34 Scopus citations

Abstract

The results of our investigations of various parameters of the preparation procedure of thermoluminescent LiF:Cu,Mg,P are reported. The parameters under investigation are: (i) the relative concentration of the incorporated Mg, Cu and (PO₄)^-3 dopants, (ii) the influence of incorporation of oxygen; (iii) particle size distribution of the prepared powder samples; (iv) emission (v) high temperature '300°C, 10 min' pre-irradiation annealing. Incorporation of oxygen in the molten stage plays an essential role in the creation of thermoluminescence 0.5 mol.% oxygen leads to a TL material with approximately twenty times the intensity of TLF-100. We also find that the relative intensity of the undesirable high-temperature TL (270°C) shows no apparent correlation with oxygen or other dopant concentrations. The loss in TL sensitivity following 300°C, 10 min annealing shows similar behaviour.

Original language	English
Pages (from-to)	267-270
Number of pages	4
Journal	Radiation Protection Dosimetry
Volume	33
Issue number	1-4
DOIs	https://doi.org/10.1093/oxfordjournals.rpd.a080807
State	Published - 1 Jan 1990
Externally published	Yes

ASJC Scopus subject areas

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

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10.1093/oxfordjournals.rpd.a080807

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title = "Optimisation of LiF:Cu,Mg,P for radiation protection dosimetry",

abstract = "The results of our investigations of various parameters of the preparation procedure of thermoluminescent LiF:Cu,Mg,P are reported. The parameters under investigation are: (i) the relative concentration of the incorporated Mg, Cu and (PO4)-3 dopants, (ii) the influence of incorporation of oxygen; (iii) particle size distribution of the prepared powder samples; (iv) emission (v) high temperature '300°C, 10 min' pre-irradiation annealing. Incorporation of oxygen in the molten stage plays an essential role in the creation of thermoluminescence 0.5 mol.% oxygen leads to a TL material with approximately twenty times the intensity of TLF-100. We also find that the relative intensity of the undesirable high-temperature TL (270°C) shows no apparent correlation with oxygen or other dopant concentrations. The loss in TL sensitivity following 300°C, 10 min annealing shows similar behaviour.",

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AU - Horowitz, Y. S.

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N2 - The results of our investigations of various parameters of the preparation procedure of thermoluminescent LiF:Cu,Mg,P are reported. The parameters under investigation are: (i) the relative concentration of the incorporated Mg, Cu and (PO4)-3 dopants, (ii) the influence of incorporation of oxygen; (iii) particle size distribution of the prepared powder samples; (iv) emission (v) high temperature '300°C, 10 min' pre-irradiation annealing. Incorporation of oxygen in the molten stage plays an essential role in the creation of thermoluminescence 0.5 mol.% oxygen leads to a TL material with approximately twenty times the intensity of TLF-100. We also find that the relative intensity of the undesirable high-temperature TL (270°C) shows no apparent correlation with oxygen or other dopant concentrations. The loss in TL sensitivity following 300°C, 10 min annealing shows similar behaviour.

AB - The results of our investigations of various parameters of the preparation procedure of thermoluminescent LiF:Cu,Mg,P are reported. The parameters under investigation are: (i) the relative concentration of the incorporated Mg, Cu and (PO4)-3 dopants, (ii) the influence of incorporation of oxygen; (iii) particle size distribution of the prepared powder samples; (iv) emission (v) high temperature '300°C, 10 min' pre-irradiation annealing. Incorporation of oxygen in the molten stage plays an essential role in the creation of thermoluminescence 0.5 mol.% oxygen leads to a TL material with approximately twenty times the intensity of TLF-100. We also find that the relative intensity of the undesirable high-temperature TL (270°C) shows no apparent correlation with oxygen or other dopant concentrations. The loss in TL sensitivity following 300°C, 10 min annealing shows similar behaviour.

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Optimisation of LiF:Cu,Mg,P for radiation protection dosimetry

Abstract

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