News tagged with electrical field

Optics get magnetic powers

For decades, scientists have studied a class of materials called ‘multiferroics’ in which static electric and magnetic structures are coupled to each other. This allows capabilities such as controlling ...

Feb 03, 2012
5 / 5 (4) 0

Physicists develop nano-level sound detector

(PhysOrg.com) -- For a couple of decades now, physicists have known that if a very small laser beam is pointed at a microscopic particle, it could be held in place due to the very small electrical field that ...

Jan 12, 2012 report
5 / 5 (2) 2 | with audio podcast

The onset of electrical resistance

Researchers at the Max-Born-Institute, Berlin, Germany, observed the extremely fast onset of electrical resistance in a semiconductor by following electron motions in real-time.

Dec 21, 2011
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A new kind of metal in the deep Earth

(PhysOrg.com) -- The crushing pressures and intense temperatures in Earth's deep interior squeeze atoms and electrons so closely together that they interact very differently. With depth materials change. New ...

Dec 19, 2011
4.7 / 5 (25) 16 | with audio podcast

Making liquid crystals stand tall

Most liquid-crystalline displays contain rod-like molecules that quickly switch from one orientation to another when subjected to electric fields. This movement creates a shutter effect that turns light on ...

Nov 21, 2011
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All that glitters is not gold

(PhysOrg.com) -- Researchers developing key new technology electronics like quantum computing or advanced detectors, as well as those studying basic material science and metal surface properties, often find ...

Sep 29, 2011
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Physicists discover 'magnetotoroidic effect'

(PhysOrg.com) -- For many years, scientists have known about the magnetoelectric effect, in which an electric field can induce and control a magnetic field, and vice versa. In this effect, the electric field has always been ...

Sep 26, 2011 feature
4.5 / 5 (16) 6 | with audio podcast