Preparation and Cathodoluminescence of CaS : Eu and Ca_<1-x>Sr_xS : Eu Phosphors
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概要
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Red emitting phosphors, CaS : Eu and Ca_<1-x>Sr_xS : Eu, have been prepared by the sulfurizing flux method. The products consist of well-crystallized and non-aggregated particles with smooth surfaces. CaS : Eu had the highest luminescence efficiency at 0.04 mole % of europium. The energy efficiency was about 50%, and the visual efficiency about 20% when compared with the standard red phosphor, Y_2O_2S : Eu. The relation between cathodoluminescence properties and activator concentration is discussed.
- 社団法人応用物理学会の論文
- 1983-01-20
著者
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Okamoto Fumio
Rca Research Laboratories Inc.:(present Address) Corning Research Inc.
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Okamoto Fumio
Rca Research Laboratories Inc.:(present Address)corning Research Inc.
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Okamoto Fumio
Rca Research Laboratories Inc.
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KATO Katsuhiro
RCA Research Laboratories, Inc.
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Kato Katsuhiro
Rca Research Laboratories Inc.
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