Effect of Gd2O3 on radiation shielding, physical and optical properties of sodium borosilicate glass system

被引：22

作者：

Intachai, N. ^{[1
]}

Wantana, N. ^{[2
,3
]}

Kaewjaeng, S. ^{[1
]}

Chaiphaksa, W. ^{[2
,3
]}

Cheewasukhanont, W. ^{[2
,3
]}

Htun, K. T. ^{[1
]}

Kothan, S. ^{[1
]}

Kim, H. J. ^{[4
]}

Kaewkhao, J. ^{[2
,3
]}

机构：

[1] Chiang Mai Univ, Fac Associated Med Sci, Ctr Radiat Res & Med Imaging, Dept Radiol Technol, Chiang Mai 50200, Thailand

[2] Nakhon Pathom Rajabhat Univ, Fac Sci & Technol, Phys Program, Nakhon Pathom 73000, Thailand

[3] Nakhon Pathom Rajabhat Univ, Ctr Excellence Glass Technol & Mat Sci CEGM, Nakhon Pathom 73000, Thailand

[4] Kyungpook Natl Univ, Dept Phys, Daegu 41566, South Korea

来源：

RADIATION PHYSICS AND CHEMISTRY | 2022年 / 199卷

关键词：

Borosilicate glass; Shielding material; Compton scattering; BORATE; ATTENUATION;

D O I：

10.1016/j.radphyschem.2022.110361

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The radiation shielding, physical and optical properties were studied with the glass formula in the composition of xGd2O3: 40Na2O: 5SiO2: (55-x)B2O3, where x = 0, 2.5, 5, 7.5, 10, 12.5, 15 mol%, respectively. The gadolinium sodium borosilicate glasses were melted entirely by melt quenching technique at 1200oc. Gamma-ray shielding property was studied with Compton scattering technique from 0.224 MeV to 0.662 MeV gamma-ray energy range. The density and molar volume of the glass samples were increased with higher Gd2O3 concentration. The glass samples show high transparency which can be observed from transmission spectra. The radiation shielding properties are better with increased Gd2O3 concentrations. The results of total mass attenuation coefficient, the effective atomic number and the effective electron density showed the theoretical and experimental values are in good agreement and showed similar trends. The best shielding radiation properties were obtained at 15% of Gd2O3 concentration. At 15% of Gd2O3 concentration shows the same attenuation behavior with 0.64 mm of lead. The half value layer (0.662 MeV) at 15% of Gd2O3 concentration is better than the commercial window, serpentine and ordinary concrete.

引用

页数：8

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