Optical characterization of neutron detection crystal Li6Gd(BO3)3:Ce

被引：3

作者：

Yang Fan ^{[1
]}

Pan Shang-Ke ^{[1
]}

Ding Dong-Zhou ^{[1
]}

Wu Yun-Tao ^{[1
]}

Ren Guo-Hao ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 201800, Peoples R China

来源：

ACTA PHYSICA SINICA | 2011年 / 60卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Li6Gd(BO3)(3):Ce crystal; ultraviolet-vaccum ultraviolet transmittance spectrum; excitation and emission spectrum; energy transfer; LUMINESCENCE; EUROPIUM; GROWTH; CERIUM;

D O I：

10.7498/aps.60.113301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Colorless and transparent Li6Gd(BO3)(3):Ce crystals are grown with the Czoralski method. Their optical characteristics and luminescence processes are also investigated. The ultraviolet-vaccum ultraviolet (UV-VUV) transmittance spectra are measured and the result shows that absorption peaks due to Ce3+ ions and Gd3+ ions, and the absorption band related to charge transfer band of Ce4+ ions are present. According to the UV-VUV excitation and emission spectra, it is found that there appear luminescences of 5d -> 4f radiative transitions of Ce3+ ions and of 4f -> 4f radiative transitions of Gd3+ ions, and also Gd3+-> Ce3+ energy transfer. The X-ray and gamma-ray stimulated luminescence spectra show that the scintillation light of the crystal is mainly front Ce3+-ions.

引用

页数：7

共 16 条

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