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. 2022 Oct 31;12:18331. doi: 10.1038/s41598-022-21455-2

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The effect of changing the thicknesses of PC constituent materials on the width of the produced PBG at (A) the increase in the thickness of metamaterial layers at constant value of d₂ = 10 mm and (B) the increase in the thickness of NC layers at constant value of d₁ = 20 mm.