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Contact: Justin Eure
DOE/Brookhaven National Laboratory

Core-Shell Structure

Caption: This image shows a computational model optimized with Density Functional Theory superimposed over a high-resolution scanning transmission electron microscopy (STEM) image (white dots). Ruthenium retains its structure with ABAB stacking sequence (blue dots) in the core, and the platinum shell switches to the distinct ABCABC stacking sequence (red dots).

Credit: Brookhaven National Laboratory

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