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Luminescence properties of Eu3+-doped Lanthanum gadolinium hafnates transparent ceramics
Wang, Zhengjuan; Zhou, Guohong; Zhang, Jian; Qin, Xianpeng; Wang, Shiwei
2017
发表期刊Optical Materials
ISSN09253467
卷号71页码:5-8
摘要Eu3+-doped Lanthanum gadolinium hafnates (La0.8Gd1.2Hf2O7) transparent ceramics with different Eu3+concentration were fabricated by vacuum sintering. XRD results showed all the ceramics are cubic pyrochlore structure. The effects of annealing process on in-line transmittance and luminescence behavior of the Eu3+-doped La0.8Gd1.2Hf2O7transparent ceramics were investigated. Before annealing, the in-line transmittance of the ceramics was low and the luminescence intensity was weak. As Eu3+doping content increased, the transmittance as well as the luminescence intensity decreased. This was ascribed to oxygen vacancy and other defects in the ceramics resulted from the vacuum sintering. After annealing, the transmittance and luminescence intensity were raised, indicating the elimination of oxygen vacancy. Moreover, with the increase of Eu3+doping content from 1 at% to 10 at%, the luminescence intensity increased without concentration quenching. © 2016 Elsevier B.V.
DOI10.1016/j.optmat.2016.05.046
EI入藏号20162402499025
EI主题词Luminescence
EI分类号537.1 Heat Treatment Processes - 547.2 Rare Earth Metals - 741.1 Light/Optics - 804 Chemical Products Generally - 812.1 Ceramics - 933.1 Crystalline Solids
引用统计
文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25720
专题中国科学院上海硅酸盐研究所
作者单位State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China
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GB/T 7714
Wang, Zhengjuan,Zhou, Guohong,Zhang, Jian,et al. Luminescence properties of Eu3+-doped Lanthanum gadolinium hafnates transparent ceramics[J]. Optical Materials,2017,71:5-8.
APA Wang, Zhengjuan,Zhou, Guohong,Zhang, Jian,Qin, Xianpeng,&Wang, Shiwei.(2017).Luminescence properties of Eu3+-doped Lanthanum gadolinium hafnates transparent ceramics.Optical Materials,71,5-8.
MLA Wang, Zhengjuan,et al."Luminescence properties of Eu3+-doped Lanthanum gadolinium hafnates transparent ceramics".Optical Materials 71(2017):5-8.
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