Thermoluminescence properties of LiMgF3 doped with Ce, Er and Dy

G. Kitis; C. Furetta; C. Sanipoli; Y. S. Horowitz; L. Oster

doi:10.1093/oxfordjournals.rpd.a005858

Thermoluminescence properties of LiMgF₃ doped with Ce, Er and Dy

G. Kitis, C. Furetta, C. Sanipoli, Y. S. Horowitz, L. Oster

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15 Scopus citations

Abstract

The main dosimetric properties are reported of a new perovskite, LiMgF₃, doped with Ce, Er and Dy impurities. An annealing temperature of 400°C for one hour is necessary to erase any previous signal and to stabilise its sensitivity. A readout up to 450°C gives the same result. The glow curve structure consists of two intense and isolated glow peaks at 170°C and 315°C. The sensitivity of both glow peaks to beta irradiation increases as the dopant concentration increases. The sensitivity is higher than that of LiF:Mg,Ti using the glow peaks 4+5 integral. Other properties like TL dose response, fading, sensitivity versus successive readout and ammealing cycles, sensitivity versus the heating rate, sensitivity to light and trapping parameter evaluation were also carried out.

Original language	English
Pages (from-to)	247-250
Number of pages	4
Journal	Radiation Protection Dosimetry
Volume	100
Issue number	1-4
DOIs	https://doi.org/10.1093/oxfordjournals.rpd.a005858
State	Published - 1 Jan 2002
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.a005858

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abstract = "The main dosimetric properties are reported of a new perovskite, LiMgF3, doped with Ce, Er and Dy impurities. An annealing temperature of 400°C for one hour is necessary to erase any previous signal and to stabilise its sensitivity. A readout up to 450°C gives the same result. The glow curve structure consists of two intense and isolated glow peaks at 170°C and 315°C. The sensitivity of both glow peaks to beta irradiation increases as the dopant concentration increases. The sensitivity is higher than that of LiF:Mg,Ti using the glow peaks 4+5 integral. Other properties like TL dose response, fading, sensitivity versus successive readout and ammealing cycles, sensitivity versus the heating rate, sensitivity to light and trapping parameter evaluation were also carried out.",

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AU - Kitis, G.

AU - Furetta, C.

AU - Sanipoli, C.

AU - Horowitz, Y. S.

AU - Oster, L.

PY - 2002/1/1

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N2 - The main dosimetric properties are reported of a new perovskite, LiMgF3, doped with Ce, Er and Dy impurities. An annealing temperature of 400°C for one hour is necessary to erase any previous signal and to stabilise its sensitivity. A readout up to 450°C gives the same result. The glow curve structure consists of two intense and isolated glow peaks at 170°C and 315°C. The sensitivity of both glow peaks to beta irradiation increases as the dopant concentration increases. The sensitivity is higher than that of LiF:Mg,Ti using the glow peaks 4+5 integral. Other properties like TL dose response, fading, sensitivity versus successive readout and ammealing cycles, sensitivity versus the heating rate, sensitivity to light and trapping parameter evaluation were also carried out.

AB - The main dosimetric properties are reported of a new perovskite, LiMgF3, doped with Ce, Er and Dy impurities. An annealing temperature of 400°C for one hour is necessary to erase any previous signal and to stabilise its sensitivity. A readout up to 450°C gives the same result. The glow curve structure consists of two intense and isolated glow peaks at 170°C and 315°C. The sensitivity of both glow peaks to beta irradiation increases as the dopant concentration increases. The sensitivity is higher than that of LiF:Mg,Ti using the glow peaks 4+5 integral. Other properties like TL dose response, fading, sensitivity versus successive readout and ammealing cycles, sensitivity versus the heating rate, sensitivity to light and trapping parameter evaluation were also carried out.

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Thermoluminescence properties of LiMgF₃ doped with Ce, Er and Dy

Abstract

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