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Numerical simulation of CQ(Δ). (A) Calculated cross-correlation pattern for a close-packed random ensemble of 8,000 icosahedra made of 12 spheres with radius 100 nm on a simple cubic lattice. For this specific Q value, CQ(Δ) shows 5-fold symmetry. (B) Intensity distribution of a single icosahedron. (C) Icosahedral cluster with its 5-fold symmetry axis.
