scholarly journals Comparative Study of Radiation Shielding Parameters for Binary Oxide Glasses

2017 ◽  
Vol 33 (5) ◽  
pp. 2324-2328
Author(s):  
Rajinder Singh Kaundal
Keyword(s):  
Comparative Study ◽  
Binary Oxide ◽  
Radiation Shielding ◽  
Oxide Glasses

A comparative Study Between Fluka and Microshield Modeling Calculations to study the Radiation‐Shielding of Nanoparticles and Plastic Waste composites

2021 ◽  
Author(s):  
Atef El‐Taher ◽  
Hesham M. H. Zakaly ◽  
Mariia Pyshkina ◽  
Elhassan A. Allam ◽  
Rehab M. El‐Sharkawy ◽  
...  
Keyword(s):  
Comparative Study ◽  
Radiation Shielding ◽  
Plastic Waste

Comparative study of silicate glasses containing Bi2O3, PbO and BaO: Radiation shielding and optical properties

2011 ◽  
Vol 38 (6) ◽  
pp. 1438-1441 ◽  
Author(s):  
K. Kirdsiri ◽  
J. Kaewkhao ◽  
N. Chanthima ◽  
P. Limsuwan
Keyword(s):  
Optical Properties ◽  
Comparative Study ◽  
Radiation Shielding ◽  
Silicate Glasses

scholarly journals Novel Empirical Correlation Between the Optical Refractive Index and Energy Bandgap in Semiconductors: Comparative Study

2021 ◽  
Author(s):  
Hosam Mohamed Gomaa ◽  
I.S. Yahia ◽  
H.Y. Zahran
Keyword(s):  
Experimental Data ◽  
Refractive Index ◽  
Comparative Study ◽  
Optical Band Gap ◽  
Energy Gap ◽  
Theoretical Studies ◽  
Oxide Glasses ◽  
High Agreement ◽  
Different Types ◽  
Number Of Publications

Abstract This work is an attempt to review some of the most famous and important studies to correlate the optical-linear refractive index of a substance to its energy band-gap.The refractive index of different types of materials, like semiconductors, insulators, oxides, thin-films, and oxide glasses, has been reported in a large number of publications in attempts to the estimation of how it can be correlated to the optical band-gap. The present work can be considered as a comparative study between the most successful relations in correlating the refractive index to the energy gap. The careful reviewing of the previous studies to correlate the optical refractive index and energy gap led to concluded that Reddy and Ahmmed approximation was selected to develop a new realized form that can give a good fit to the experimental data and, hence, be used directly as an accurate formula in the theoretical studies. The obtained formula correlates the optical refractive index to the energy gap and the oxygen atom's electronegativity. Such relation has been used to calculate the refractive indices for more than 96 materials (elements/compounds) with a high agreement with the experimental data.

XANES Determination of V-Mixed Valence State in (V2O5) x (P2O5)100−x Binary Oxide Glasses

1983 ◽  
pp. 162-164 ◽  
Author(s):  
I. Davoli ◽  
S. Stizza ◽  
M. Benfatto ◽  
O. Gzowski ◽  
L. Murawski ◽  
...  
Keyword(s):  
Valence State ◽  
Mixed Valence ◽  
Binary Oxide ◽  
Oxide Glasses ◽  
Mixed Valence State

Radiation shielding study of WO3–ZnO–PbO–B2O3 glasses using Geant4 and Phys-X: A comparative study

2021 ◽  
Vol 47 (3) ◽  
pp. 3988-3993 ◽  
Author(s):  
Y. Al-Hadeethi ◽  
M.I. Sayyed ◽  
Manasa Nune
Keyword(s):  
Comparative Study ◽  
Radiation Shielding

scholarly journals A Closer Look on Nuclear Radiation Shielding Properties of Eu3+ Doped Heavy Metal Oxide Glasses: Impact of Al2O3/PbO Substitution

Materials ◽  
2021 ◽  
Vol 14 (18) ◽  
pp. 5334
Author(s):  
Ghada ALMisned ◽  
Huseyin O. Tekin ◽  
Antoaneta Ene ◽  
Shams A. M. Issa ◽  
Gokhan Kilic ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Metal Oxide ◽  
Maximum Level ◽  
Radiation Shielding ◽  
Nuclear Radiation ◽  
Fast Neutrons ◽  
Nominal Composition ◽  
Oxide Glasses ◽  
Wide Range ◽  
Shielding Properties

In this study, a group of heavy metal oxide glasses with a nominal composition of 55B2O3 + 19.5TeO2 + 10K2O + (15−x) PbO + xAl2O3 + 0.5Eu2O3 (where x = 0, 2.5, 5, 7.5, 10, 12.5, and 15 in wt.%) were investigated in terms of their nuclear radiation shielding properties. These glasses containing lanthanide-doped heavy metal oxide were envisioned to yield valuable results in respect to radiation shielding, and thus a detailed investigation was carried out; the obtained results were compared with traditional and new generation shields. Advanced simulation and theoretical methods have been utilized in a wide range of energy regions. Our results showed that the AL0.0 sample with the highest PbO contribution had superior shielding properties in the entire energy range. The effective removal of cross-sections for fast neutrons (ΣR) was also examined. The results indicated that AL5.0 had the greatest value. While increasing the concentration of Al2O3 in samples had a negative effect on the radiation shielding characteristics, it can be concluded that using PbO in the Eu3+ doped heavy metal oxide glasses could be a useful tool to keep gamma-ray shielding properties at a maximum level.

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