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Fabrication and optimization of the morphological, structural, and optical features of PMMA/MgO as promising
Aml Almutery1, Faizal Mohamed2, Chia Chin Hua3
1Department of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia; Nuclear Technology Research Centre, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, UKM, Bangi, Selangor, 43600, Malaysia; Physics Department, Faculty of Science and Humanities in Ad-Dawadmi, Shaqra University, Shaqra, 11911, Saudi Arabia.
Abstract:
In this study, Poly(methyl methacrylate) (PMMA)/magnesium oxide (MgO) nanocomposites were fabricated using the solution-casting technique, incorporating 0-30 wt% MgO nanoparticles into the PMMA matrix. The study focused on photon energies between 60 and 1333 keV to assess the materials' shielding effectiveness. The density of the samples increased from 2.729 g/cm3 for pure PMMA to 3.899 g/cm3 for PMMA/30MgO. The highest linear attenuation coefficient (LAC) value (1.353 cm-1 at 60 keV) and lowest half-value layer (HVL) (0.512 cm) were obtained for PMMA/30MgO, confirming enhanced gamma attenuation with increasing MgO content.
