Physics on the Edge
Electrons get moving along the surfaces of a new class of materials
PHYSICS ON THE EDGE Scientists are exploring new types of crystals, called topological insulators, that conduct electricity at their surface but not in their interior. The image above reveals how electrons scatter on the surface of a bismuth-based material.
Yazdani Lab/Princeton Univ.
This article is only available to Science News subscribers.
Subscribers, enter your e-mail address to access our archives.
