Nanoscale phase separation into a perfect two-dimensional chessboard structure is observed in a class of perovskite-based lithium-ion conductors. The periodicity can be controlled by varying the composition, which is an intriguing advance in materials design.
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Woodward, P. A chessboard at the nanoscale. Nature Mater 6, 549–551 (2007). https://doi.org/10.1038/nmat1970
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DOI: https://doi.org/10.1038/nmat1970
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