Crystal structure dependence of luminescence properties of Ce-doped lutetium oxyorthosilicate powder

被引：18
作者：
Fan, Lingcong [1 ,2 ]
Shi, Ying [1 ]
Wu, Yiquan [2 ]
Xie, Jianjun [1 ]
Zhang, Jieyu [1 ]
Lei, Fang [1 ]
Zhang, Lei [1 ]
机构：
[1] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200444, Peoples R China
[2] Alfred Univ, New York State Coll Ceram, Kazuo Inamori Sch Engn, Alfred, NY 14802 USA
来源：
JOURNAL OF LUMINESCENCE | 2017年 / 190卷
基金：
中国国家自然科学基金;
关键词：
Lutetium oxyorthosilicate; Structure dependence; Luminescence; SCINTILLATION PROPERTIES; OPTICAL-PROPERTIES; YTTRIUM CONTENT; LU2SIO5; LSO; TB3+; ION;
D O I：
10.1016/j.jlumin.2017.06.011
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Lutetium oxyorthosilicate (LSO) exists in two different crystallographic phases, both with the monoclinic structure. The low-temperature polymorph, referred to as A-type LSO (A-LSO), crystallizes in space group P2(1)/c, whereas the high-temperature polymorph, referred to as B-type LSO (B-LSO), crystallizes in space group C2/c. In this study, two different LSO powders with 0.5 at% Ce dopant were synthesized by a modified sol-gel method. The luminescence properties of the synthesized powders were investigated as a function of temperature by VUV-UV excitation measurements. The relationships between the crystal structure and luminescence properties of the two types of LSO were investigated, and are discussed here in detail.
引用
收藏
页码：504 / 510
页数：7
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