Presentation 2003/1/20
Suppression of Formation of Sr Vacancies in SrS:Ce Thin Film EL Devices by Alkali Metal Doping
Haruki FUKADA, Asuka SASAKURA, Takahiro KIMURA, Koutoku OHMI, Shosaku TANAKA, Hiroshi KOBAYASHI, Yoichirou NAKANISHI,
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Abstract(in English) Alkali metal doped SrS:Ce,M(M = Na, K, or Rb) thin film EL devices have been prepared by electron-beam evaporation. Alkali metal doping causes suppression of formation of Sr vacancies, and results in decrease of Ce^<3+>-V_Sr complex center formation. Among those dopants, Rb is the most effective. The SrS : Ce,Rb phosphor powder prepared with Ce concentration of 1.0 mol% shows the strongest photoluminescence with the bluish-green luminescence due to isolated Ce^<3+> centers.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) SrS:Ce Thin Film EL Device / Alkali Metal Doping / Rb / SrVacancy / Ce^<3+>-V_ Complex Center / Ce Concentration
Paper # EID20002-95
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Committee EID
Conference Date 2003/1/20(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Suppression of Formation of Sr Vacancies in SrS:Ce Thin Film EL Devices by Alkali Metal Doping
Sub Title (in English)
Keyword(1) SrS:Ce Thin Film EL Device
Keyword(2) Alkali Metal Doping
Keyword(3) Rb
Keyword(4) SrVacancy
Keyword(5) Ce^<3+>-V_ Complex Center
Keyword(6) Ce Concentration
1st Author's Name Haruki FUKADA
1st Author's Affiliation Department of Electrical and Electronic Engineering,Tottori University:(Present address) Satellite Venture Business Laboratory,Shizuoka University()
2nd Author's Name Asuka SASAKURA
2nd Author's Affiliation Department of Electrical and Electronic Engineering,Tottori University
3rd Author's Name Takahiro KIMURA
3rd Author's Affiliation Department of Electrical and Electronic Engineering,Tottori University
4th Author's Name Koutoku OHMI
4th Author's Affiliation Department of Electrical and Electronic Engineering,Tottori University
5th Author's Name Shosaku TANAKA
5th Author's Affiliation Department of Electrical and Electronic Engineering,Tottori University
6th Author's Name Hiroshi KOBAYASHI
6th Author's Affiliation Department of Electrical and Electronic Engineering,Tottori University
7th Author's Name Yoichirou NAKANISHI
7th Author's Affiliation Research Institute of Electronics,Shizuoka University
Date 2003/1/20
Paper # EID20002-95
Volume (vol) vol.102
Number (no) 600
Page pp.pp.-
#Pages 4
Date of Issue