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Iowa State University

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Researchers combined perovskite nanocubes – tiny crystals with useful electrical or optical properties – with spherical nanoparticles to form a regular, repeating structure called a superlattice. Some of these structures displayed superfluorescence, "a burst of photons."

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Image courtesy of Maksym Kovalenko and Ihor Cherniukh/ETH Zürich, the Swiss Federal Institute of Technology

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