Spectral Analysis of the Effects of γ-Irradiation on Gadolinium-Containing Barium Phosphate Glass

被引：1
|
作者：
Yu Tao [1 ,2 ,3 ]
Wang Jun-xia [3 ]
Liu Hai-feng [2 ]
Liang Xiao-feng [1 ,2 ,3 ]
Yang Shi-yuan [3 ]
Luo Qing [3 ]
机构：
[1] Sichuan Coll Tradit Chinese Med, Med Inst Dept, Mianyang 621000, Peoples R China
[2] Southwest Univ Sci & Technol, Analyt & Testing Ctr, Mianyang 621000, Peoples R China
[3] Southwest Univ Sci & Technol, Sch Mat Sci & Engn, Mianyang 621000, Peoples R China
来源：
SPECTROSCOPY AND SPECTRAL ANALYSIS | 2018年 / 38卷 / 11期
关键词：
Radiation shielding materials; gamma-ray; Phosphate glass; Spectral analysis; STRUCTURAL-PROPERTIES; FTIR SPECTRA; RAMAN;
D O I：
10.3964/j.issn.1000-0593(2018)11-3607-04
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The xGd(2)O(3)-(50-x)BaO-50P(2)O(5)(0 <= x <= 7 mol%) series of glass samples were prepared with melt quenching method to develop new gamma-ray shielding materials and irradiated with Co-60 irradiation source. The light transmission characteristics and microstructure of the glass were studied by UV-Vis-nir and Raman. gamma-ray irradiation makes the glass produce phosphorus oxygen hole center (class I color), presenting brown. The resistance of phosphate glass to gamma irradiation was enhanced by Gd2O3. The higher the content of Gd2O3 in glass, the lower the number of color centers caused by y-ray irradiation. The transmittance on visible and near infrared light regions were reduced with the addition of Gd2O3. gamma-ray irradiation causes the glass to exhibit optical absorption band loss, and the transmittance of the glass in the ultraviolet to visible region is reduced. The glass samples are mainly based on Q(2) partial phosphate structure, accompanied by Q(1) pyrophosphate and Q(0) orthophosphate glass structure, and gamma-ray irradiation has little effect on the microstructure of glass.
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页码：3607 / 3610
页数：4
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