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(a) HAADF image of decahedral core-shell nanoparticles in a [011] zone axis, (b – f) Amplified images of the square area of Figure 6(a), shows the edge dislocations and Cu atoms are interpenetrated in to the twin boundaries, (g) Intensity profile along the twin boundary in Figure 6(f), where the disparity of the intensity in the Au-rich and Cu-rich atomic columns can be observed.
