News tagged with voltage

Negative capacitance detected

Prof. Gustau Catalan has published in Nature Materials a commentary on the measurement of negative capacitance presented by the teams led by Prof Sayeef Salahuddin and Prof. Ramesh in the same magazine. The study detects ...

dateFeb 04, 2015 in Condensed Matter
shares36 comments 0

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.

dateJun 15, 2012 in Nanophysics
shares0 comments 1