Optical investigation of the emission lines for Eu3+ and Tb3+ ions in the GaN powder host

被引：27
作者：
Podhorodecki, A.
Nyk, M.
Misiewicz, J.
Strek, W.
机构：
[1] Wroclaw Univ Technol, Inst Phys, PL-50370 Wroclaw, Poland
[2] Polish Acad Sci, Inst Low Temp & Struct Res, PL-50950 Wroclaw 2, Poland
来源：
JOURNAL OF LUMINESCENCE | 2007年 / 126卷 / 01期
关键词：
photoluminescence; rare-earth ions; nanocrystals; powders; GaN : Eu; GaN : Tb;
D O I：
10.1016/j.jlumin.2006.07.002
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Gallium nitride (GaN) doped by Eu3+ and Tb3+ ions have been synthesized using powder technology. The emission and absorption spectra have been obtained by using photoluminesence technique and correlated with the local structural environments. The room temperature yellow emission from GaN grains as well as from Eu3+ and Tb3+ ions has been observed for nano- as well as for microGaN grains. Additionally, for GaN:1%Eu-3 micrograins the blue emission from GaN nanocrystals has been observed. (C) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：219 / 224
页数：6
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