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Experimental shielding properties for a novel glassy system.

M H A Mhareb¹, M I Sayyed², Tahani Flemban¹

¹Department of Physics, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, 31441, Saudi Arabia; Basic and Applied Scientific Research Center, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, 31441, Saudi Arabia.

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|August 27, 2022

Summary

This summary is machine-generated.

This study developed novel boro-tellurite glasses for radiation shielding. The TeSB4 glass composition demonstrated superior radiation absorption and stability, making it a promising material for shielding applications.

Keywords:

Borotellurite glass Experimental shielding Gamma-ray Half value layer Mass attenuation coefficient

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Area of Science:

Materials Science
Nuclear Engineering
Solid State Physics

Background:

Glass materials are increasingly investigated for radiation shielding applications.
Boro-tellurite glasses offer a unique combination of properties suitable for such purposes.
Understanding the impact of composition on glass properties is crucial for optimizing performance.

Purpose of the Study:

To synthesize and characterize a series of boro-tellurite glass samples.
To investigate the effect of varying tellurium dioxide (TeO2) content on glass properties.
To evaluate the radiation shielding capabilities of the fabricated glass samples.

Main Methods:

Melt-quench method for glass fabrication.
X-ray diffraction (XRD) for structural analysis.
Experimental determination of mass attenuation coefficients (MAC) using gamma-ray sources (166Ho and 137Cs).
Calculation of radiation shielding parameters: half-value layer (HVL), mean free path (MFP), tenth value layer (TVL), and radiation protection efficiency (RPE).

Main Results:

XRD confirmed the amorphous nature of all synthesized glass samples.
Density and Poisson's ratio showed a linear correlation with increasing TeO2 content.
Glass stability increased, while packing density decreased with higher TeO2 concentrations.
Experimental MAC values exhibited excellent agreement with XCOM theoretical calculations.
The TeSB4 sample displayed the highest radiation absorption and stability.

Conclusions:

The fabricated boro-tellurite glasses are amorphous and exhibit tunable physical properties.
Tellurium dioxide incorporation enhances glass stability and radiation attenuation.
The TeSB4 glass composition demonstrates significant potential as an effective radiation shielding material.