News tagged with band gap

Stacking 2-D materials produces surprising results

( —Graphene has dazzled scientists, ever since its discovery more than a decade ago, with its unequalled electronic properties, its strength and its light weight. But one long-sought goal has proved elusive: how ...

dateMay 16, 2013 in Nanophysics
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Blocking infinity in a topological insulator

(—In bulk, topological insulators (TIs) are good insulators, but on their surface they act as metals, with a twist: the spin and direction of electrons moving across the surface of a TI are locked together. TIs ...

dateFeb 08, 2013 in Nanomaterials
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