News tagged with electrical devices

Cutting the graphene cake

(Phys.org) -- Researchers at the University of Manchester have demonstrated that graphene can be used as a building block to create new 3D crystal structures which are not confined by what nature can produce.

Jul 29, 2012
4.8 / 5 (10) 7 | with audio podcast

New nanodevice builds electricity from tiny pieces

(Phys.org) -- A team of scientists at the National Physical Laboratory (NPL) and University of Cambridge has made a significant advance in using nano-devices to create accurate electrical currents. Electrical ...

Jul 06, 2012
4.8 / 5 (9) 0 | with audio podcast

Electrified graphene a shutter for light

(Phys.org) -- An applied electric voltage can prompt a centimeter-square slice of graphene to change and control the transmission of electromagnetic radiation with wavelengths from the terahertz to the midinfrared.

Jun 15, 2012
5 / 5 (4) 1 | with audio podcast

Ferroelectric oxides do the twist

(Phys.org) -- Some materials, by their nature, do what we want them to do -- notably, the ubiquitous, semiconducting silicon found in almost every electronic device. But sometimes, naturally occurring materials ...

Apr 12, 2012
4 / 5 (1) 0 | with audio podcast

Scientists make nontoxic, bendable nanosheets

(Phys.org) -- Cornell materials scientists have developed an inexpensive, environmentally friendly way of synthesizing oxide crystal sheets, just nanometers thick, which have useful properties for electronics ...

Apr 11, 2012
4.6 / 5 (8) 0 | with audio podcast