Ultrathin 2-D metals get their own periodic table

Material profiles could help predict key properties of synthetic, atom-thick sheets

illustration of 2-D honeycomb

ULTRATHIN FILMS  Computer simulations reveal the properties of a little-studied group of synthetic materials: 2-D arrays of metal atoms arranged in honeycombs (illustrated), triangles or squares.

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A new version of the periodic table showcases the predicted properties of 2-D metals, an obscure class of synthetic materials.