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CuS2‐Passivated Au Core, Au3Cu Shell nanoparticles analyzed by Atomistic Resolution Cs Corrected STEM

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Figure

Figure 3. (a) Atomic-resolution HAADF-STEM image of a decahedral core−shell nanoparticle in a [011] zone axis
Figure 4a shows a HAADF-STEM micrograph of the copper sul fide passivated surface region T 5 shown in Figure 3b
Figure 5. (a) Atomic-resolution HAADF image of core−shell nanoparticle interface region oriented along the [011] direction
Figure 5a shows a magni fied atomic resolution HAADF- HAADF-STEM image of the interface region, where it is possible to distinguish the intensities due to the presence of Au (bright zone) and from the intensities due to CuS 2 (Light zone)

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