News tagged with electronic behavior

Looking for critical behavior in graphene

(PhysOrg.com) -- "One of the hopes people have for graphene is in electronic devices. It is seen as a possible replacement for silicon, due to its unique properties," Herb Fertig tells PhysOrg.com. Graphe ...

May 18, 2010 feature
4.7 / 5 (12) 6 | with audio podcast

New physics in a copper-iridium compound

(Phys.org) —An unexpected magnetic behavior within Sr3CuIrO6, a transition-metal compound (TMC) that combines the transition metal copper with the transition metal iridium has been revealed by research ...

Aug 08, 2013
4.7 / 5 (16) 1 | with audio podcast

Blocking infinity in a topological insulator

(Phys.org)—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 | with audio podcast

Metallic Glass Yields Secrets Under Pressure

(PhysOrg.com) -- Metallic glasses are emerging as potentially useful materials at the frontier of materials science research. They combine the advantages and avoid many of the problems of normal metals and ...

Mar 16, 2010
4.9 / 5 (10) 2 | with audio podcast

Ultra-fast photodetector and terahertz generator

Photodetectors made from graphene can process and conduct light signals as well as electric signals extremely fast. Within picoseconds the optical stimulation of graphene generates a photocurrent. Until now, ...

Jan 31, 2012
4.9 / 5 (10) 0 | with audio podcast