Д. Т. Валиев, О. Л. Хасанов, Э. С. Двилис, В. Д. Пайгин, Ч. Линь, Сергей Анатольевич Степанов
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Оптические и люминесцентные свойства керамик MgAl-=SUB=-2-=/SUB=-O-=SUB=-4-=/SUB=-, активированных ионами Eu в высокой концентрации
The series of MgAl2O4 ceramics doped with high level of europium oxide (Eu2O3) up to 15 wt.% was fabricated by the Spark Plasma Sintering technique. The prepared ceramics have been tested using the various experimental techniques: X-ray diffraction, scanning electron microscopy, as well as optical and cathodoluminescence spectroscopy. The influence of europium oxide on the complex of optical and luminescent characteristics of MgAl2O4:Eu ceramics is discussed. The nature of the luminescence centers and the luminescence decay parameters are considered in detail.
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