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Люминесценция ИАГ:Се-люминофоров при возбуждении лазерным УФ-излучением

Люминесценция ИАГ:Се-люминофоров при возбуждении лазерным УФ-излучением

Abstract

Исследованы спектрально-кинетические характеристики промышленных ИАГ:Се-люминофоров при возбуждении излучениями лазеров в диапазоне области 4-6.415 эВ и потоками электронов с энергией 250 кэВ. Показано, что при лазерном возбуждении на 193.3 нм (6.415 эВ) в матрице создаются электронно-дырочные ( e - p ) пары так же, как при воздействии потоком электронов. Все виды возбуждения приводят к появлению полосы в области 560 нм, обусловленной ионами Ce3+, а также УФ-полос на 320 и 360-380 нм. УФ-люминесценция обусловлена центрами свечения, связанными с собственными дефектами решетки. Обсуждаются возможные процессы передачи энергии центрам свечения при оптическом возбуждении в диапазоне 4-6.415 эВ.

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Keywords

УФ-люминесценция, Ce-люминофоры [ИАГ], лазерное УФ-возбуждение

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green