Estimation of the Trapping Parameters of Li2B4O7:Ag, Gd Phosphor using FGC, ID and CGCD Methods

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dc.contributor.authorÖzdemir, A.
dc.contributor.authorŞahiner, E.
dc.contributor.authorPolymeris, G.S.
dc.contributor.authorAşlar, E.
dc.contributor.authorGüçkan, V.
dc.contributor.authorAltunal, V.
dc.contributor.authorMeriç, N.
dc.contributor.authorYeğingil, Z.
dc.contributor.departmentOthertr_TR
dc.contributor.facultyOthertr_TR
dc.date.accessioned2022-01-24T15:42:52Z
dc.date.available2022-01-24T15:42:52Z
dc.date.issued2018
dc.description.abstractLithium tetraborate (Li2B4O7) phosphor is a well-known candidate for thermoluminescence dosimetry (TLD), mostly because of its near tissue equivalence. In this study, Li2B4O7:Ag,Gd phosphor was synthesized using Solution Combustion Synthesis (SCS) method; its kinetic parameters such as trap depth (Ea), frequency factor (s) and order of kinetics (b) were evaluated. The TL glow curve of the phosphor consists of three glow peaks at ~80, 160 and 260 ˚C with a heating rate of 1 ˚C/s after 10 Gy beta dose exposure. The activation energies for 160oC TL peak obtained using Fractional Glow Curve (FGC), Isothermal Decay (ID) and Computerized Glow Curve Deconvolution (CGCD) methods were calculated to be 0.86, 0.85 and 0.94 eV, respectively. The frequency factor for the same TL peak was determined as 3.20 x 1014 s-1 and 3.62x109 s-1 using FGC and CGCD methods, respectively. It can be concluded that the activation energies obtained by differentmethods are in agreements with each other.tr_TR
dc.description.indexYoktr_TR
dc.identifier.issue01tr_TR
dc.identifier.startpage15tr_TR
dc.identifier.urihttp://hdl.handle.net/20.500.12575/77225
dc.identifier.volume05tr_TR
dc.language.isoentr_TR
dc.publisherAnkara Üniversitesi Nükleer Bilimler Enstitüsütr_TR
dc.relation.journalJournal of Nuclear Sciencestr_TR
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Başka Kurum Yazarıtr_TR
dc.subjectLi2B4O7tr_TR
dc.subjectFraction Glow Curve Methodtr_TR
dc.subjectIsothermal Decay Methodtr_TR
dc.subjectComputerized Glow Curve Deconvolution Methodtr_TR
dc.titleEstimation of the Trapping Parameters of Li2B4O7:Ag, Gd Phosphor using FGC, ID and CGCD Methodstr_TR
dc.typeArticletr_TR

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Cilt:05 Sayı:01 (2018)