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Dosimetric Characteristics of LiF:Mg,Cu,P TL Phosphor Prepared at ININ, Mexico
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1990
Year
New Lif DosemeterRadiation ExposureChemistryTreatment VerificationRadiation TestingRadiation MedicineCalibrationAnalytical ChemistryToxicologyInstrumentationRadiation ImagingRadiation OncologyChromatographyRadiologyHealth SciencesDosimetric CharacteristicsRadiation DetectionRadiation MonitoringIonizing RadiationRadiation DosimetryRadiation ApplicationPharmacologyDosimetryForensic ToxicologyRadiation DoseEnergy DependenceMedicine
Abstract Among the various TL dosemeters produced in this laboratory, LiF:Mg,Cu,P has turned out to be of special interest. The preparation and dosimetric characteristics of this new LiF dosemeter are reported and a description of the preparation method is presented. Its glow curve structure and TL response dependence with gamma exposure, re-usability, fading, sensitivity and energy dependence are studied along with those of LiF (TLD-100). The new LiF:Mg,Cu,P exhibits a dosimetric peak at 475 K. Its TL response is linear from 100 µGy. It is stable and re-usable without significant loss of sensitivity. Its sensitivity is about 25 times higher than that of commercial LiF (TLD-100) and its energy dependence similar. These and other characteristics render this dosemeter useful in diverse applications of radiation dosimetry.