News tagged with ferromagnetism

An unlikely route to ferroelectricity

(Phys.org) -- Ferroelectricity, which was first observed in the 1940s, is an interesting phenomenon involving the spontaneous (non-induced) formation of charge polarization (separation of charge) in certain ...

May 18, 2012
4.3 / 5 (4) 7 | 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

An electrical switch for magnetic current

(PhysOrg.com) -- A new mechanism will make it possible to switch data storage in the future. Researchers at the Max Planck Institute of Microstructure Physics in Halle use a short electric pulse to change ...

Mar 01, 2012
5 / 5 (2) 0 | with audio podcast

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