Influence of different annealing conditions on the luminescent properties of Li2B4O7:Mn single crystals |
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| Authors: | V.M. Holovey V.I. Sidey |
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| Affiliation: | a Institute of Electron Physics, Ukr. NAS, 21 Universitetska str., Uzhgorod 88017, Ukraine
b Uzhgorod National University, 46 Pidgirna str., Uzhgorod 88000, Ukraine |
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| Abstract: | The influence of reducing annealing and repeated oxidizing annealing of the Li2B4O7:Mn single crystals on their thermostimulated luminescence (TSL) and X-ray luminescence (XL) has been studied. Because of the oxygen vacancies formation and the dopant ions reduction, the reducing annealing results in a drastic decrease of the luminescence intensity along with the simultaneous shift of a part of the maxima and redistribution of the peak intensities. The repeated annealing in the oxidizing environment leads only to the partial reduction of the luminescent properties of the Li2B4O7:Mn crystals. |
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| Keywords: | A. Oxides D. Defects D. Luminescence |
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