期刊
APPLIED SCIENCES-BASEL
卷 11, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/app11073035
关键词
MCNPX; neodymium (III) oxide; ionizing radiation; Phy-X PSD
This study characterized a glass system with varying neodymium oxide content for radiation shielding properties, and found that the sample VTBNd1.5 with 1.5 mol% neodymium oxide showed the best shielding performance for gamma radiation within the investigated energy range.
This study aimed to perform an extensive characterization of a 74.75TeO(2)-0.25V(2)O(5)-(25 - x)B2O3-xNd(2)O(3) glass system with (x = 0, 0.5, 1.0, and 1.5 mol%) for radiation shielding properties. Linear and mass attenuation coefficients were determined using Phy-X PSD software and compared with the simulation using Monte Carlo software MCNPX (version 2.7.0). Half value layer, mean free path, tenth value layer, effective atomic number, exposure buildup factor, and energy absorption buildup factors of VTBNd0.0, VTBNd0.5, VTBNd1.0, and VTBNd1.5 glasses were determined, respectively. The results showed that boron (III) oxide and neodymium (III) oxide substitution has an obvious impact on the gamma ray attenuation properties of the studied glasses. It can be concluded that the VTBNd1.5 sample with the highest content of neodymium (III) oxide (1.5 mol%) is the superior sample for shielding of gamma radiation in the investigated energy range.
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