Photoluminescence and radiation response properties of Ce3+-doped CsCaCl3 crystalline scintillator

被引：13

作者：

Fujimoto, Yutaka ^{[1
]}

Saeki, Keiichiro ^{[1
]}

Tanaka, Hironori ^{[1
]}

Yahaba, Takuma ^{[1
]}

Yanagida, Takayuki ^{[2
]}

Koshimizu, Masanori ^{[1
]}

Asai, Keisuke ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Dept Appl Chem, Aoba Ku, 6-6-07 Aoba, Sendai, Miyagi 9808579, Japan

[2] Nara Inst Sci & Technol NAIST, Grad Sch Mat Sci, 8916-5 Takayama Cho, Ikoma, Nara 6300192, Japan

来源：

PHYSICA SCRIPTA | 2016年 / 91卷 / 09期

关键词：

photoluminescence; scintillator; CsCaCl3; Ce3+; 5d-4f transition; LUMINESCENCE; PURE;

D O I：

10.1088/0031-8949/91/9/094002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper, we report on the photoluminescence and scintillation properties of a newly developed CsCaCl3:Ce (0.5 mol%) crystalline scintillator grown by the vertical Bridgman method. The fluorescence quantum efficiency for the Ce3+ characteristic emission bands centered at around 350-400 nm was 76% under excitation at 330 nm light. The photoluminescence decay time of the Ce3+ was approximately 32 ns. When x-ray excited the crystal, intense emission bands were observed at 350-400 nm, and could be attributed to the Ce3+ emission. The scintillation light yield of the developed crystal was similar to 7600 ph MeV-1 compared to a NaI:Tl commercial scintillator, and the principal scintillation decay time was approximately 340 ns plus two fast components of around 1.6 ns and 45 ns.

引用

页数：5

共 17 条

[1]

Bourret-Courchesne E D, 2010, NUCL INSTRUM METHO A, V613, P95

[2] Scintillators With Potential to Supersede Lanthanum Bromide [J].