Effects of temperature on the time responses of strontium aluminates

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dc.contributor.authorFouzar, Samia
dc.contributor.authorEftimov, Tinko
dc.contributor.authorKostova, Irena
dc.contributor.authorBenmounah, Abdelbaki
dc.contributor.authorLakhssassi, Ahmed
dc.date.accessioned2021-11-28T09:23:50Z
dc.date.available2021-11-28T09:23:50Z
dc.date.issued2021
dc.description.abstractIn this paper we study the effect of temperature on the rise and decay time responses of Eu and Eu, Dy doped strontium aluminates. Normalized switch on and switch off time responses are used to estimate the share of phosphorescence in the observed luminescence. The parameters of the power law time responses related to the relative share of phosphorescence in luminescence and to the rise/decay rates are found to be strongly temperature dependent. The results show that unlike luminescence intensity, the overall efficiency of phosphorescence increases strongly with temperature and reaches a maximum around 65 °C. Thе maximum correlates with the activation energy of the samples and depends on their doping and fabrication technologyen_US
dc.identifier.issn09253467
dc.identifier.urihttps://doi.org/10.1016/j.optmat.2021.111619
dc.identifier.urihttps://www.sciencedirect.com/science/article/abs/pii/S0925346721008193
dc.identifier.urihttps://dspace.univ-boumerdes.dz/handle/123456789/7420
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofseriesOptical Materials/ Vol.122 (2021);
dc.subjectRise and decay time responsesen_US
dc.subjectPhosphorescenceen_US
dc.subjectStrontium aluminatesen_US
dc.subjectTemperature dependenceen_US
dc.titleEffects of temperature on the time responses of strontium aluminatesen_US
dc.typeArticleen_US

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