Korean scientists have found a way to make large near-perfect areas 2d single crystal hexagonal boron nitride (hBN), by using liquid gold as a substrate. This, in turn, could form a substrate for growing other 2d materials – possibly graphene or tungsten disulphide. Synthesising perfect crystalline structures is very challenging, with most methods yielding polycrystals ...
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from Electronics Weekly https://www.electronicsweekly.com/news/research-news/single-crystal-2d-material-self-assembles-liquid-gold-2019-01/
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