Abstract
This article investigates the effects of intratetrahedral and intertetrahedral distances and angles, as well as tetrahedral volume, on the radiation shielding properties of α-quartz under high-pressure conditions. The study aims to understand the structural modifications necessary to enhance α-quartz’s ability to attenuate radiation in high-pressure scenarios. Seven different crystalline forms of silicon dioxide glass blocks with varying densities at different applied pressures are synthesized and analyzed. The linear mass attenuation coefficients (LAC) for different crystal forms are calculated within the energy range of 0.015 to 15.0 MeV. The results demonstrate a clear dependence of LAC values on incident photon energies and external pressure exemplified at E = 500 keV they read as follows: (LAC (cm−1), P (GPa)): (0.001, 0.193), (2.0, 0.203), (5.1, 0.223), (8., 0.235), (9.5, 0.240), (12.5, 0.250), (15.3, 0.235). Higher-density structures exhibit better LAC values, while lower-density structures have lower LAC values. Changes in crystal density and unit cell parameters under pressure affect the LAC values, with a maximum value observed at a pressure of 12.5 GPa. The study also explores the dependence of LAC values on intratetrahedral and intertetrahedral distances (e.g. 1.610 Å < dSi-O < 1.627 Å, 2.613 Å < dO-O < 2.501 Å) and angles (109.1° < θ < 104.4°), revealing how variations in these parameters can tune the radiation absorption properties of α-quartz. The findings align with previous research studies and provide insights into the structural modifications necessary for enhanced radiation shielding.
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Acknowledgements
Z. Kh. and F.A. would like to thanks the support from Hashemite University. The authors extend their appreciation to the Deanship of Scientific Research at Northern Border University, Arar, KSA for funding this research work through the project number “NBU-FFR-2023-0097”.
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Ziad Khattari: Conceptualization, review & editing, writing manuscript first draft.
Feras Afaneh: Assisted in data collection & analysis and drawing the figures.
Ragab Elsad: Review & editing, resources;
Yasser Rammah: supervision and Finalized the last version of the manuscript.
Shaaban M. Shaaban: Wrote the reply to the reviewers and edited the last version of the paper.
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Shaaban, S.M., Afaneh, F., Elsad, R.A. et al. Exploring the Influence of Intra- and Inter-tetrahedral Distances and Angles, as well as Tetrahedral Volume, on the Radiation Shielding Efficiency of High-Pressure α-quartz. Silicon 16, 407–414 (2024). https://doi.org/10.1007/s12633-023-02687-x
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DOI: https://doi.org/10.1007/s12633-023-02687-x