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Ta2O5 reinforced Bi2O3–TeO2–ZnO glasses: Fabrication, physical, structural characterization, and radiation shielding efficacy
Optical Materials ( IF 3.9 ) Pub Date : 2020-12-31 , DOI: 10.1016/j.optmat.2020.110757
Gokhan Kilic , F.I.El Agawany , Buse Ozen Ilik , K.A. Mahmoud , Erkan Ilik , Y.S. Rammah

The melt-quenching method was applied to fabricate a new glass series containing 10Bi2O3–70TeO2-(20-x)ZnO-xTa2O5, x = 0, 2, 4, and 6 mol%. The chemical compounds were well mixed and melted in a furnace at 900 °C, and then the molten transferred to another furnace at 320 °C for annealing. X-ray diffraction is used to confirm the amorphous phase of the fabricated glasses. Moreover, the fabricated glasses' structure characterization was established using Raman analyses. Besides, the gamma-ray protection capacity was evaluated for the fabricated glass series. Thus, the MCNP-5 simulation code and XCOM software program were utilized to estimate the investigated glass samples' linear attenuation coefficients. The glass sample's highest attenuation coefficient, with 6 mol % of the Ta2O5 doping ratio is ranged between 418.17 and 0.27 cm−1. In comparison, the fabricated glass without Ta2O5 possesses the lowest attenuation factor and decreased from 359.39 cm-1 to 0.26 cm−1, raising the incoming photon energy from 0.015 MeV to 15 MeV, respectively. The simulated linear attenuation coefficient was then applied to calculate the half-value thickness, and transmission factor for the incoming photons. The obtained results showed that the fabricated glass samples' shielding ability enhanced with the insertion of the Ta2O5.



中文翻译:

Ta 2 O 5增强Bi 2 O 3 -TeO 2 -ZnO玻璃:制备,物理,结构表征和辐射屏蔽功效

采用熔体淬火法制备了含有10Bi 2 O 3 –70TeO 2-(20-x)ZnO-xTa 2 O 5的新型玻璃。,x = 0、2、4和6mol%。将化合物充分混合并在900°C的熔炉中融化,然后将熔体转移到320°C的另一个熔炉中进行退火。X射线衍射用于确认所制造玻璃的非晶相。此外,使用拉曼分析建立了人造玻璃的结构表征。此外,对所制造的玻璃系列的γ射线防护能力进行了评估。因此,利用MCNP-5仿真代码和XCOM软件程序来估计所研究的玻璃样品的线性衰减系数。将玻璃样品的最高衰减系数,与Ta中的6摩尔%2 ö 5的掺杂比418.17和0.27厘米介于-1。相比之下,没有Ta 2 O 5的人造玻璃具有最低的衰减因子,并且从359.39 cm -1减小到0.26 cm -1,从而将入射光子能量分别从0.015 MeV提高到15 MeV。然后将模拟的线性衰减系数应用于计算入射光子的半值厚度和透射系数。所得结果表明,随着Ta 2 O 5的插入,制备的玻璃样品的屏蔽能力增强。

更新日期:2020-12-31
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