Er2O3 effects on photon and neutron shielding properties of TeO2-Li2O-ZnO-Nb2O5 glass system

被引：102
作者：
Agar, O. [1 ]
Kavaz, E. [2 ]
Altunsoy, E. E. [3 ,4 ]
Kilicoglu, O. [4 ,5 ]
Tekin, H. O. [4 ,6 ]
Sayyed, M. I. [7 ]
Erguzel, T. T. [8 ]
Tarhan, Nevzat [9 ,10 ]
机构：
[1] Karamanoglu Mehmetbey Univ, Dept Phys, TR-70100 Karaman, Turkey
[2] Ataturk Univ, Dept Phys, Fac Sci, TR-25240 Erzurum, Turkey
[3] Uskudar Univ, Vocat Sch Hlth Serv, Dept Med Imaging, TR-34672 Istanbul, Turkey
[4] Uskudar Univ, Med Radiat Res Ctr USMERA, TR-34672 Istanbul, Turkey
[5] Uskudar Univ, Dept Nucl Technol & Radiat Protect, TR-34672 Istanbul, Turkey
[6] Uskudar Univ, Vocat Sch Hlth Serv, Dept Radiotherapy, TR-34672 Istanbul, Turkey
[7] Univ Tabuk, Dept Phys, Tabuk, Saudi Arabia
[8] Uskudar Univ, Fac Engn & Nat Sci, Dept Software Engn, TR-34672 Istanbul, Turkey
[9] NPIstanbul Hosp, Dept Psychiat, Istanbul, Turkey
[10] Uskudar Univ, Dept Psychol, Fac Humanities & Social Sci, Istanbul, Turkey
来源：
RESULTS IN PHYSICS | 2019年 / 13卷
关键词：
Radiation shielding; Er2O3; Tellurite glass; MCNPX code; EFFECTIVE ATOMIC NUMBERS; MASS ATTENUATION COEFFICIENTS; EXPOSURE BUILDUP FACTOR; GAMMA-RAY; STRUCTURAL-PROPERTIES; OPTICAL-PROPERTIES; ENERGY-ABSORPTION; ELECTRON-DENSITY; PARAMETERS; OXIDE;
D O I：
10.1016/j.rinp.2019.102277
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, a series of 75TeO(2)-5Li(2)O-10ZnO-(10-x)Nb2O5-(x)Er2O3 (where x = 0, 0.5, 1.0, 1.5, 2.0 and 2.8 mol %) glasses have been surveyed in terms of photon and neutron shielding characteristics. For this aim, 3x3 inch NaI(Tl) detector has been simulated in order to detect photons. Afterwards, the mass attenuation coefficients (mu/rho) and some shielding quantities such as half-value layer (HVL), tenth value layer (TVL), mean free path (MFP), effective atomic number (Z(eff)), effective electron density (N-el), equivalent atomic number (Zeq) and exposure build-up factor (EBF) have been calculated. The obtained MCNPX results of all the glasses have been compared and approved with those of XCOM program. Also, their gamma ray buildup factors have been determined in a wide energy range of 0.02-20 MeV for penetration depths up to 15 mfp. Moreover, neutron attenuation abilities of glasses have been evaluated by estimating neutron total effective removal cross section. The results showed that Er2O3 partial replacement of Nb2O5 in 75TeO(2)-5Li(2)O-10ZnO-(10-x)Nb2O5-(x)Er2O3 glass system enhances photon and neutron attenuation characteristics. It can be deduced that obtained results from the present investigation can be useful to understanding of influence of Er2O3 on nuclear radiation shielding properties of tellurite glasses.
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页数：9
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