Cathodoluminescence Change of YNbO4:Bi Phosphor after Acid Treatment
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概要
- 論文の詳細を見る
The reason for the cathodoluminescence (CL) change of YNbO4:Bi after acid treatment is determined. It is observed that after acid treatment, the CL intensity of YNbO4:Bi decreased to a value below that of the untreated one at excitation energies lower than 1 keV@. However, YNbO4:Bi was brighter than the untreated one at an excitation energy of 1 keV or higher. Meanwhile, ZnGa2O4 was compared with YNbO4:Bi in terms of luminescence properties. After acid treatment, ZnGa2O4 showed the same trend as YNbO4:Bi at excitation energies lower than 1 keV@. However, the luminescence intensity of ZnGa2O4 did not increase at an excitation energy of 1 keV or higher. It was found that surface modification using an acid increases the luminescence efficiency of YNbO4:Bi by realizing stoichiometric composition at the phosphor surface.
- Publication Office, Japanese Journal of Applied Physics, Faculty of Science, University of Tokyoの論文
- 2001-06-15
著者
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Suh Kyung
Micro-electronics Technology Laboratory Electronics And Telecommunications Research Institute
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Kim Jong
Materials And Devices Research Center Samsung Advanced Institute Of Technology
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Shin Sang
Department Of Agronomy And Plant Genetics University Of Minnesota
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Jeon Duk
Department Of Materials Science And Engineering Korea Advanced Institute Of Science & Technology
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Jeon Duk
Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 373-1 Kusong-dong, Yusong-gu, Taejon 305-701, Korea
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Kim Jong
Materials and Devices Research Center, Samsung Advanced Institute of Technology, P.O. Box 111, Suwon 440-600, Korea
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Suh Kyung
Micro-Electronics Technology Laboratory, Electronics and Telecommunications Research Institute, 161 Kajong-dong, Yusong-gu, Taejon 305-350, Korea
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