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. 2014 Mar 26;111(14):5094–5099. doi: 10.1073/pnas.1403679111

Fig. 5.

Fig. 5.

Size polydispersity drives the transformation from a square lattice to a hexagonal lattice. (A) The plot of energy vs. Γ. The kink at Inline graphic signifies the transition from the square lattice (Inset; the green horizontal lines are to indicate the regularity of the square lattice) to the hexagonal lattice. The energy is measured in the unit of ϵ defined in the expression for the Hertz potential. (B) The defective hexagonal lattice at Inline graphic, where the featured screening mode is preserved. The number of particles is Inline graphic.