Comparative shielding properties of some tellurite glasses: Part 1

被引：92
作者：
El-Mallawany, R. [1 ]
Sayyed, M., I [2 ]
机构：
[1] Menoufia Univ, Fac Sci, Phys Dept, Shibin Al Kawm, Al Minufiyah, Egypt
[2] Univ Tabuk, Fac Sci, Phys Dept, Tabuk, Saudi Arabia
来源：
PHYSICA B-CONDENSED MATTER | 2018年 / 539卷
关键词：
Tellurite glasses; Shielding properties; WinXCom; Gamma ray; Neutron; DIFFERENT OXIDE COMPOSITIONS; GAMMA-RAY; ATTENUATION COEFFICIENTS; ELECTRICAL-CONDUCTIVITY; STRUCTURAL-PROPERTIES; ELASTIC PROPERTIES; PHOSPHATE-GLASSES; INFRARED-SPECTRA; BORATE GLASSES; PARAMETERS;
D O I：
10.1016/j.physb.2017.05.021
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
This article focuses on the shielding properties among 21 tellurite glass samples in the form of TeO2-A(n)O(m), TeO2-WO3-BnOm and TeO2-WO3-Er2O3-PbO where A(n)O(m) = La2O3, CeO2, Sm2O3, MnO2, CoO3, Nb2O5,BnOm = Er2O3, La2O3, Sm2O3 and CeO2 mol%. The mass attenuation coefficient, mu/pi have been computed within the energy range 0.01 MeV-20 MeV using WinXCom software. The obtained mass attenuation coefficients are then utilized to calculate effective atomic numbers, Z(eff), half value layers, HVL and mean free path, MFP. In addition, the macroscopic effective removal cross-section for fast neutron (Sigma(R)) values was also evaluated. In addition, variation of the shielding parameters is compared with other tellurite, borate and silicate glasses to explore the superior shielding properties of tellurite glasses from gamma rays than other glasses.
引用
收藏
页码：133 / 140
页数：8
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