Afterglow, TL and OSL properties of Mn2+-doped ZnGa2O4 phosphor

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dc.contributor.authorLuchechko, Andriy
dc.contributor.authorZhydachevskyy, Yaroslav
dc.contributor.authorUbizskii, Sergii
dc.contributor.authorKravets, Oleh
dc.contributor.authorPopov, Anatoli I.
dc.contributor.authorRogulis, Uldis
dc.contributor.authorElsts, Edgars
dc.contributor.authorSuchocki, Andrzej
dc.contributor.authorBulur, Enver
dc.date.accessioned2020-08-19T17:16:09Z
dc.date.available2020-08-19T17:16:09Z
dc.date.issued2019
dc.descriptionThe work was supported by Latvian Research Council via LZP-2018/1–0214 research project as well as the Latvian-Ukrainian Joint Research Project (LV-UA/2016/1 in Latvia and M/8-2018 (No. 0118U001672) in Ukraine), and by the NATO SfP Project G4649. The work was also partially supported by the Polish National Science Center (project 2018/31/B/ST8/00774). A. Luchechko gratefully acknowledges a grant from Institute of Physics PAS for a research visit to the Institute.en_US
dc.description.abstractZinc gallate (ZnGa2O4) spinel ceramics doped with Mn2+ ions was prepared by a solid-state reaction at 1200 °C in air. Manganese concentration was equal to 0.05 mol.% of MnO with respect to ZnO. Ceramics produced in this way show an efficient green emission at about 505 nm under UV or X-ray excitations, which is caused by Mn2+ ions. This green emission is observed also as a relatively long afterglow (visible to the naked eye in the dark for about one hour) after switching-off the X-ray excitation. Time profiles of the beginning of glow and afterglow have been studied together with thermally stimulated (TSL) and optically stimulated (OSL) luminescence. Experimental results demonstrate a presence of few types of shallow and deep traps responsible for the observed afterglow and TSL/OSL emission of the material. The possibility of pulsed optical stimulation and time-resolved OSL characteristics of ZnGa2 O4: Mn2+ has been reported for the first time. The presented results suggest the ZnGa2O4: Mn2+ spinel as a promising material for further fundamental research and possibility of application as a green long-lasting phosphor or storage phosphor for TSL/OSL radiation dosimetry.en_US
dc.description.sponsorshipNorth Atlantic Treaty Organization G4649; Polish National Science Center project 2018/31/B/ST8/00774; 0118U001672,LV-UA/2016/1,LZP-2018/1–0214; Institute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the European Union’s Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART²en_US
dc.identifier.doi10.1038/s41598-019-45869-7
dc.identifier.issn2045-2322
dc.identifier.urihttps://dspace.lu.lv/dspace/handle/7/52407
dc.language.isoengen_US
dc.publisherNature Publishing Groupen_US
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/739508/EU/Centre of Advanced Material Research and Technology Transfer/CAMART²en_US
dc.relation.ispartofseriesScientific Reports;9 (1), 9544
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectResearch Subject Categories::NATURAL SCIENCES:Physicsen_US
dc.titleAfterglow, TL and OSL properties of Mn2+-doped ZnGa2O4 phosphoren_US
dc.typeinfo:eu-repo/semantics/articleen_US
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