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Presentation 2020-01-24 10:05
[Poster Presentation] Effect of transition metal addition on luminescent properties of YAG:Cephosphor
Michio Arimura, Tomohiro Kwashima, Hiroko Kominami, Kazuhiko Hara (Shizuoka Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) YAG: Ce phosphor widely accepted as a phosphor for white LEDs was prepared by co-doped a transition metal, and the emission characteristics and afterglow characteristics were investigated. With Mn co-doped, the emission intensity was higher than that of the sample without co-doped due to increased crystallinity. In addition, improvement in afterglow characteristics was also observed. Because the level formed by Mn is deeper than the sample co-doped with other transition metals and the sample not co-doped with transition metals, it functions as an electron trap and makes energy transition to Ce more effectively. Co-doped of a transition metal to the YAG: Ce phosphor can be expected in terms of light emission characteristics and afterglow characteristics, and it was suggested that application in a wide range of fields is possible if the characteristics are improved.
Keyword (in Japanese) (See Japanese page) 
(in English) YAG:Ce / White LED / Transition metal / Co-doping / / / /  
Reference Info. ITE Tech. Rep., vol. 44, no. 1, IDY2020-15, pp. 77-80, Jan. 2020.
Paper # IDY2020-15 
Date of Issue 2020-01-16 (IDY) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Committee IDY IEICE-EID IEIJ-SSL SID-JC IEE-EDD  
Conference Date 2020-01-23 - 2020-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Tottori Univ 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IDY 
Conference Code 2020-01-IDY-EID-SSL-JC-EDD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effect of transition metal addition on luminescent properties of YAG:Cephosphor 
Sub Title (in English)  
Keyword(1) YAG:Ce  
Keyword(2) White LED  
Keyword(3) Transition metal  
Keyword(4) Co-doping  
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1st Author's Name Michio Arimura  
1st Author's Affiliation Shizuoka University (Shizuoka Univ.)
2nd Author's Name Tomohiro Kwashima  
2nd Author's Affiliation Shizuoka University (Shizuoka Univ.)
3rd Author's Name Hiroko Kominami  
3rd Author's Affiliation Shizuoka University (Shizuoka Univ.)
4th Author's Name Kazuhiko Hara  
4th Author's Affiliation Shizuoka University (Shizuoka Univ.)
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Speaker Author-1 
Date Time 2020-01-24 10:05:00 
Presentation Time 5 minutes 
Registration for IDY 
Paper # IDY2020-15 
Volume (vol) vol.44 
Number (no) no.1 
Page pp.77-80 
#Pages
Date of Issue 2020-01-16 (IDY) 


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