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Figure 3.
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Energy band structure analysis. (a) Phononic crystals meta-cellular mode and the first irreducible Brillouin zone of PnCs. (b) Band gap variations at different radius and heights of the scatterer. (c) PnCs energy band structure diagram (r=0.5 μm, h=0.7 μm). (d) The displacement field of PnCs vibrational modes.
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