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Contact: Caroline Perry
Harvard University

Patterned Designs

Caption: The different colors in this photograph are a result of tiny variations in thickness: just 10-15 atoms of germanium separate the pink color from the violet, and another 10-15 atoms change the color from violet to dark blue. A penny is shown for size comparison.

Credit: Photo courtesy of Mikhail Kats and Lulu Liu

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Related news release: Applied physics as art

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