Role of Si in the luminescence of AlN:Eu,Si phosphors

Benjamin Dierre; Xiao L. Yuan; Kazuo Inoue; Naoto Hirosaki; Rong Jun Xie; Takashi Sekiguchi

doi:10.1111/j.1551-2916.2009.03048.x

Role of Si in the luminescence of AlN:Eu,Si phosphors

Benjamin Dierre, Xiao L. Yuan, Kazuo Inoue, Naoto Hirosaki, Rong Jun Xie, Takashi Sekiguchi

Department of Materials Science and Engineering

Research output: Contribution to journal › Article

38 Citations (Scopus)

Abstract

The luminescence properties of Si,Eu-codoped AlN phosphors were investigated by means of cathodoluminescence. The concentration of Eu was kept constant, while that of Si was varied from 0 to 9.0 at.% using two different Si-source starting powders, Si₃N₄ and SiC. The luminescence of Eu²⁺ in AlN is only observed for samples doped with Si. On the other hand, a concentration quenching is observed for samples doped with high amount of Si from Si₃N₄ while not for those doped from SiC. These results show the importance of Si in the luminescence properties of Eu²⁺-doped AlN.

Original language	English
Pages (from-to)	1272-1275
Number of pages	4
Journal	Journal of the American Ceramic Society
Volume	92
Issue number	6
DOIs	https://doi.org/10.1111/j.1551-2916.2009.03048.x
Publication status	Published - 2009 Jun 1

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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Dierre, B., Yuan, X. L., Inoue, K., Hirosaki, N., Xie, R. J., & Sekiguchi, T. (2009). Role of Si in the luminescence of AlN:Eu,Si phosphors. Journal of the American Ceramic Society, 92(6), 1272-1275. https://doi.org/10.1111/j.1551-2916.2009.03048.x

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abstract = "The luminescence properties of Si,Eu-codoped AlN phosphors were investigated by means of cathodoluminescence. The concentration of Eu was kept constant, while that of Si was varied from 0 to 9.0 at.% using two different Si-source starting powders, Si3N4 and SiC. The luminescence of Eu2+ in AlN is only observed for samples doped with Si. On the other hand, a concentration quenching is observed for samples doped with high amount of Si from Si3N4 while not for those doped from SiC. These results show the importance of Si in the luminescence properties of Eu2+-doped AlN.",

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AU - Dierre, Benjamin

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AU - Xie, Rong Jun

AU - Sekiguchi, Takashi

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