TL properties of BaF2:Ce phosphor for high gamma ray dosimetry

被引：19
作者：
Gavhane, Kishor H. [1 ]
Bhadane, Mahesh S. [1 ]
Jadhav, Akash P. [1 ]
Patil, Bhushankumar J. [2 ]
Bhoraskar, Vasant N. [1 ]
Dahiwale, Shailendra S. [1 ]
Dhole, Sanjay D. [1 ]
机构：
[1] Savitribai Phule Pune Univ, Dept Phys, Microtron Accelerator Lab, Pune 411007, Maharashtra, India
[2] Abasaheb Garware Coll, Dept Phys, Pune 411007, Maharashtra, India
来源：
JOURNAL OF LUMINESCENCE | 2019年 / 209卷
关键词：
Thermoluminescence; BaF2; Co-60 gamma source; Co-precipitation method; LUMINESCENCE; THERMOLUMINESCENCE; SCINTILLATION; FLUORIDE;
D O I：
10.1016/j.jlumin.2019.02.011
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Powder sample of Cubic phase BaF2:Ce phosphor was synthesized by chemical co-precipitation method and annealed at 500 degrees C for 2 h. The synthesized powder of BaF2:Ce phosphor was characterized by XRD, which shows FCC structure with 30 nm crystallite size. TEM images show a cubic structure and FTIR contains the existence of F-Ba-F, C-H, C=C, and O-H bonds. Glow curve of the Thermoluminescence contains two major peaks, one at 175 degrees C and another at 275 degrees C. The intensity of the major dosimetric peak (175 degrees C) observed to be increased linearly from 1 Gy to 3 kGy for the doses of( 60)Co gamma rays and then saturates. Overall, the new BaF2:Ce phosphor shows good material properties for the high gamma dose measurement applications.
引用
收藏
页码：316 / 320
页数：5
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