Fabrication and luminescent properties of Eu3+-doped yttrium lanthanum oxide transparent ceramics

被引：1

作者：

Yang Qiuhong ^{[1
]}

Lu Shenzhou ^{[1
]}

Bian Zhijia ^{[1
]}

Li Yunhan ^{[1
]}

Shi Zhifa ^{[1
]}

Li Yingzi ^{[1
]}

机构：

[1] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200072, Peoples R China

来源：

MATERIALS AND MANUFACTURING, PTS 1 AND 2 | 2011年 / 299-300卷

关键词：

Eu:Y1.8La0.2O3; transparent ceramics; luminescence; scintillation; SCINTILLATORS;

D O I：

10.4028/www.scientific.net/AMR.299-300.625

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

High-transparent Eu3+-doped yttrium lanthanum oxide ceramics were fabricated with nanopowders and the highest transmittance in the visible light wavelength region reaches 78%. The Eu3+-doped transparent ceramics exhibited a broad absorption band around 240 nm, a sharp red emission at 611 nm under X-ray excitation and the fluorescent decay time of 0.96 ms. It is expected to be a potential polycrystalline scintillation material for the applications in medical-imaging detectors.

引用

页码：625 / 628

页数：4

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