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 ...

May 16, 2013
4.4 / 5 (16) 0

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 ...

Feb 08, 2013
4.8 / 5 (4) 7