Scintillation and dosimetric properties of Tb4O7-doped Ca2BO3Cl

被引：1

作者：

Kawano, Naoki ^{[1
]}

Kato, Takumi ^{[2
]}

Nakauchi, Daisuke ^{[2
]}

Fukushima, Hiroyuki ^{[3
]}

Takebuchi, Yuma ^{[4
]}

Shiratori, Daiki ^{[5
]}

Yanagida, Takayuki ^{[2
]}

机构：

[1] Akita Univ, Grad Sch Engn Sci, 1-1 Tegata Gakuenmachi, Akita, Akita 0108502, Japan

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

[3] Natl Inst Technol, Fukui Coll, Geshi Cho, Sabae, Fukui 9168507, Japan

[4] Utsunomiya Univ, Fac Engn, 7-1-2 Yoto, Utsunomiya, Tochigi 3218585, Japan

[5] Tokyo Univ Sci, Fac Engn, 6-3-1 Niijuku, Katsushika, Tokyo 1258585, Japan

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2024年 / 35卷 / 20期

关键词：

OPTICALLY STIMULATED LUMINESCENCE; TSL PROPERTIES; THERMOLUMINESCENCE; SR; BA; CU; TL;

D O I：

10.1007/s10854-024-13133-y

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We synthesized calcium borate chlorides (Ca2BO3Cl) with different amounts of Tb4O7 (0.1, 0.5, 1.0%), and investigated photoluminescence, scintillation, and dosimetric characteristics. Photoluminescence and scintillation owing to the electronic transition between 4f levels of Tb3+ were observed, and the 0.1% Tb4O7-doped Ca2BO3Cl exhibited the highest intensity. Further, thermal stimulated luminescence (TSL) glow peaks appeared at approximately 90, 140, and 340 degrees C from the fabricated Ca2BO3Cl, and the 0.1% Tb4O7-doped Ca2BO3Cl with the largest glow peak intensity exhibited a dose response in the 10-10000 mGy range. Moreover, the fabricated Ca2BO3Cl showed optical stimulated luminescence (OSL) owing to the electronic transition between 4f levels of Tb3+, and three OSL exponential decay components were detected from the fabricated Ca2BO3Cl, suggesting the presence of at least three detrapping processes for OSL.

引用

页数：7

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