LiF:Mg,Ti Versus LiF:Mg,Cu,P: The Competition Heats Up

Y. S. Horowitz

doi:10.1093/oxfordjournals.rpd.a081718

LiF:Mg,Ti Versus LiF:Mg,Cu,P: The Competition Heats Up

Y. S. Horowitz

Department of Physics

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

73 Scopus citations

Abstract

Current knowledge concerning the dosimetric characteristics of LiF:Mg,Cu,P and LiF:Mg,Ti is reviewed, including glow curve structure, response to annealing procedures, trap conversion processes, dose response, tissue-equivalence, residual signal and others. The relative merits of these two materials in various dosimetric applications; occupational exposure, clinical and environmental, as well as in mixed field beta/gamma and neutron/gamma dosimetry are evaluated and compared. LiF:Mg,Cu,P emerges as a very useful material with significant advantages over LiF:Mg,Ti in most dosimetric applications. However, it does share some of the faults of LiF:Mg,Ti mainly, complicated glow curve structure and thermal instability. Commercially available LiF:Mg,Cu,P (GR-200) is interior to LiF:Mg,Ti (TLD-100) in one important aspect - its relatively high residual signal. Future elimination/minimisation of the residual signal via materials research and/or readout/annealing procedures should lead to LiF;Mg,Cu,P totally replacing LiF:Mg,Ti.

Original language	English
Pages (from-to)	135-141
Number of pages	7
Journal	Radiation Protection Dosimetry
Volume	47
Issue number	1-4
DOIs	https://doi.org/10.1093/oxfordjournals.rpd.a081718
State	Published - 1 May 1993

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/oxfordjournals.rpd.a081718

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title = "LiF:Mg,Ti Versus LiF:Mg,Cu,P: The Competition Heats Up",

abstract = "Current knowledge concerning the dosimetric characteristics of LiF:Mg,Cu,P and LiF:Mg,Ti is reviewed, including glow curve structure, response to annealing procedures, trap conversion processes, dose response, tissue-equivalence, residual signal and others. The relative merits of these two materials in various dosimetric applications; occupational exposure, clinical and environmental, as well as in mixed field beta/gamma and neutron/gamma dosimetry are evaluated and compared. LiF:Mg,Cu,P emerges as a very useful material with significant advantages over LiF:Mg,Ti in most dosimetric applications. However, it does share some of the faults of LiF:Mg,Ti mainly, complicated glow curve structure and thermal instability. Commercially available LiF:Mg,Cu,P (GR-200) is interior to LiF:Mg,Ti (TLD-100) in one important aspect - its relatively high residual signal. Future elimination/minimisation of the residual signal via materials research and/or readout/annealing procedures should lead to LiF;Mg,Cu,P totally replacing LiF:Mg,Ti.",

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N2 - Current knowledge concerning the dosimetric characteristics of LiF:Mg,Cu,P and LiF:Mg,Ti is reviewed, including glow curve structure, response to annealing procedures, trap conversion processes, dose response, tissue-equivalence, residual signal and others. The relative merits of these two materials in various dosimetric applications; occupational exposure, clinical and environmental, as well as in mixed field beta/gamma and neutron/gamma dosimetry are evaluated and compared. LiF:Mg,Cu,P emerges as a very useful material with significant advantages over LiF:Mg,Ti in most dosimetric applications. However, it does share some of the faults of LiF:Mg,Ti mainly, complicated glow curve structure and thermal instability. Commercially available LiF:Mg,Cu,P (GR-200) is interior to LiF:Mg,Ti (TLD-100) in one important aspect - its relatively high residual signal. Future elimination/minimisation of the residual signal via materials research and/or readout/annealing procedures should lead to LiF;Mg,Cu,P totally replacing LiF:Mg,Ti.

AB - Current knowledge concerning the dosimetric characteristics of LiF:Mg,Cu,P and LiF:Mg,Ti is reviewed, including glow curve structure, response to annealing procedures, trap conversion processes, dose response, tissue-equivalence, residual signal and others. The relative merits of these two materials in various dosimetric applications; occupational exposure, clinical and environmental, as well as in mixed field beta/gamma and neutron/gamma dosimetry are evaluated and compared. LiF:Mg,Cu,P emerges as a very useful material with significant advantages over LiF:Mg,Ti in most dosimetric applications. However, it does share some of the faults of LiF:Mg,Ti mainly, complicated glow curve structure and thermal instability. Commercially available LiF:Mg,Cu,P (GR-200) is interior to LiF:Mg,Ti (TLD-100) in one important aspect - its relatively high residual signal. Future elimination/minimisation of the residual signal via materials research and/or readout/annealing procedures should lead to LiF;Mg,Cu,P totally replacing LiF:Mg,Ti.

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LiF:Mg,Ti Versus LiF:Mg,Cu,P: The Competition Heats Up

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