Study of luminescence of Mn-doped CaB4O7 prepared by wet chemical method

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dc.contributor.authorOguz K.F.
dc.contributor.authorEkdal E.
dc.contributor.authorAslani M.A.A.
dc.contributor.authorCanimoglu A.
dc.contributor.authorGarcia Guinea J.
dc.contributor.authorCan N.
dc.contributor.authorKarali T.
dc.date.accessioned2024-07-22T08:11:38Z
dc.date.available2024-07-22T08:11:38Z
dc.date.issued2016
dc.description.abstractIn this study, manganese (Mn) doped Calcium Tetraborate (CaB4O7) samples were prepared by the wet chemical method. Under beta irradiated, CaB4O7:Mn showed thermally stimulated luminescence (TSL) glow peaks at approximately 85 °C and 220 °C with a heating rate of 5 °C/s. Peak shape (PS) and various heating rates (VHR) methods were applied for determining the trap parameters such as order of kinetic (b), activation energy (E) and frequency factor (s). The results indicate that the main dosimetric peak of CaB4O7:Mn follows the second-order kinetic model. The thermal fading ratio of the material is around 15% at the end of one month period of storage. The results of the TL studies carried out on the CaB4O7:Mn dosimeter revealed that it has high sensitivity, which makes it very valuable in various dosimetric applications like space, medical, personal dosimetry and dating. Radioluminescence (RL) of CaB4O7:Mn was also studied. It is shown that the RL spectrum contains a wide band centered at 530 nm assigned to Mn2+ ion emission. A broad band emission feature peaked at 350 nm assigned to the non-bridging oxygen hole center (NBOHC) is also discussed and a model is proposed to explain this broad band feature. © 2016 Elsevier B.V. All rights reserved.
dc.identifier.DOI-ID10.1016/j.jallcom.2016.05.050
dc.identifier.issn09258388
dc.identifier.urihttp://akademikarsiv.cbu.edu.tr:4000/handle/123456789/15732
dc.language.isoEnglish
dc.publisherElsevier Ltd
dc.subjectActivation energy
dc.subjectCalcium
dc.subjectDosimetry
dc.subjectHeating rate
dc.subjectLuminescence
dc.subjectBroadband emission
dc.subjectDosimetric properties
dc.subjectNonbridging oxygen hole center
dc.subjectSecond order kinetics
dc.subjectTetraborate
dc.subjectThermally stimulated luminescence
dc.subjectTrap parameters
dc.subjectWet-chemical method
dc.subjectManganese
dc.titleStudy of luminescence of Mn-doped CaB4O7 prepared by wet chemical method
dc.typeArticle

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