2013
DOI: 10.1093/rpd/nct028
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Beta response of LiMgPO4:Tb,B based OSL discs for personnel monitoring applications

Abstract: Properties such as high optically stimulated luminescent (OSL) sensitivity, ease of preparation and dose linearity over nine decades (µGy-kGy) make LiMgPO4:Tb, B (LMP) a unique phosphor for dosimetry applications. This led to the investigation of the beta response of highly sensitive LMP-based Teflon-embedded OSL discs for personnel monitoring applications. A PTB beta secondary standard calibration setup (BSS2), which contains three beta sources viz. (147)Pm, (85)Kr and (90)Sr/(90)Y, was used. The relative res… Show more

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Cited by 25 publications
(10 citation statements)
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“…Since 2010, almost 30 research papers on luminescent properties of differently doped LMP, as a good candidate for application in ionizing radiation dosimetry, have been published [4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29]. Among them, the Tb and B co-doped LMP is most extensively studied [6,7,8,9,11,12,16,17,19,24,26,27,28], however, the other rare-earths dopants, like e.g., Eu [5,13,15,29], Sm [10,15], Tm [23,29], Er [29], and Y [29], were also considered and investigated. In most cases, the samples in form of the powders or cold-pressed and sintered pellets (mixed with polytetrafluoroethylene, PTFE) have been studied, but also the LMP crystals were successfully grown from the melt by micro-pulling-down method [4,18,21,22,29].…”
Section: Introductionmentioning
confidence: 99%
“…Since 2010, almost 30 research papers on luminescent properties of differently doped LMP, as a good candidate for application in ionizing radiation dosimetry, have been published [4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29]. Among them, the Tb and B co-doped LMP is most extensively studied [6,7,8,9,11,12,16,17,19,24,26,27,28], however, the other rare-earths dopants, like e.g., Eu [5,13,15,29], Sm [10,15], Tm [23,29], Er [29], and Y [29], were also considered and investigated. In most cases, the samples in form of the powders or cold-pressed and sintered pellets (mixed with polytetrafluoroethylene, PTFE) have been studied, but also the LMP crystals were successfully grown from the melt by micro-pulling-down method [4,18,21,22,29].…”
Section: Introductionmentioning
confidence: 99%
“…The LMP compound was shown to have a high radiosensitivity and a broad linear dose–response range [ 3 ]. Numerous research articles on luminescent properties of LMP doped with different elements have been published since 2010 [ 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 ]. The LMP crystal codoped with terbium (Tb) and boron (B) has been most extensively studied, but other rare earth dopants such as Sm, Tm, and Eu have also been tested [ 5 , 10 , 13 , 20 ].…”
Section: Introductionmentioning
confidence: 99%
“…A escolha do material do dosímetro é muito importante para esta radiação que tem um poder de penetração baixo (IAEA, 2002;ICRU, 2004;OLIVEIRA e CALDAS, 2007;SOARES et al, 2001;MANCOSU et al, 2010;ANTONIO et al, 2012b, ANTONIO, 2013. Os dosímetros destinados a medir as doses de radiação beta idealmente devem ser tão finos quanto possível, porque a resposta do dosímetro depende do intervalo de energia das partículas beta a ser monitorado (KUMAR et al, 2013).…”
Section: Figura 11 Esquema Simplificado Da Relação Entre Laboratóriounclassified
“…Os detectores OSL, do inglês Optically Stimulated Luminescence (OSL), constituem outros tipos de dosímetros que vêm sendo investigados em campos de radiação beta (McKEEVER et al, 1995;AKSELROD et al, 1999;PINTO et al, 2008;YUKIHARA e McKEEVER, 2008;DING e MALCOLM, 2013;ANTONIO, 2013;KUMAR et al, 2013;NASCIMENTO et al, 2013). O seu mecanismo de interação é semelhante ao do TLD, mas utiliza a luz como estímulo em vez do calor que produz a luminescência induzida pela radiação.…”
Section: Figura 11 Esquema Simplificado Da Relação Entre Laboratóriounclassified
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