News tagged with silicon dioxide

IBM introduces new graphene transistor

(PhysOrg.com) -- In a report published in Nature, Yu-ming Lin and Phaedon Avoris, IBM researchers, have announced the development of a new graphene transistor which is smaller and faster than the one they i ...

Apr 11, 2011 report
4.9 / 5 (25) 22 | with audio podcast

Taming the wild phonon

(PhysOrg.com) -- Researchers at MIT and elsewhere have succeeded in creating a synthetic crystal that can very effectively control the transmission of heat -- stopping it in its tracks and reflecting it back. ...

Mar 22, 2010
4.9 / 5 (22) 9 | with audio podcast

Towards more efficient solar cells

A layer of silicon nanocrystals and erbium ions may help solar cells to extract more energy from the ultraviolet (UV, high-energy) part of the solar spectrum. Experimental physicists from the FOM Foundation, ...

Aug 13, 2014
4.7 / 5 (21) 6

Researchers produce ultra-light aerogel

A research team headed by Professor Gao Chao have developed ultra-light aerogel – it breaks the record of the world's lightest material with surprising flexibility and oil-absorption. This progress is published ...

Mar 25, 2013
4.9 / 5 (12) 4