Dosimetric and scintillation properties of Tm-doped BaF2 translucent ceramics

被引：6

作者：

Kawano, Naoki ^{[1
]}

Kato, Takumi ^{[2
]}

Nakauchi, Daisuke ^{[2
]}

Takebuchi, Yuma ^{[2
]}

Fukushima, Hiroyuki ^{[2
]}

Jacobsohn, Luiz G. ^{[3
]}

Yanagida, Takayuki ^{[2
]}

机构：

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

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

[3] Clemson Univ, Dept Mat Sci & Engn, 515 Calhoun Dr, Clemson, SC 29634 USA

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2023年 / 34卷 / 11期

基金：

美国国家科学基金会; 日本科学技术振兴机构;

关键词：

TRANSPARENT CERAMICS; LUMINESCENCE; THERMOLUMINESCENCE; FABRICATION;

D O I：

10.1007/s10854-023-10343-8

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：

BaF2 translucent ceramics with various amounts of TmF3 (0.01%, 0.1% and 1%) were fabricated, and their scintillation and thermally-stimulated luminescence (TSL) characteristics were evaluated. The Tm-doped BaF2 translucent ceramics showed a broad luminescence peak at approximately 300 nm originating from self-trapped excitons (STEs) while several sharp peaks derived from the 4f -> 4f transitions of Tm3+ were also detected from the 0.1% and 1% Tm-doped BaF2 translucent ceramics. Further, a TSL spectrum due to the 4f -> 4f transitions of Tm3+ was obtained at around 190 degrees C from the 1% Tm-doped BaF2 translucent ceramic while a weak broad peak due to STEs was observed at around 80 degrees C from the 0.01% Tm-doped BaF2 translucent ceramic. The 1% Tm-doped BaF2 translucent ceramic exhibited the strongest TSL glow peak intensity, and its linear TSL response was confirmed over a broad range, from 0.1 to 1000 mGy.

引用

页数：10

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