News tagged with ferromagnet

Domain walls as new information storage medium

While searching for ever smaller devices that can be used as data storage systems and novel sensors, physicists at Johannes Gutenberg University Mainz (JGU) have directly observed magnetization dynamics processes ...

Sep 23, 2013
4.8 / 5 (6) 0 | with audio podcast

Demagnetization by rapid spin transport

The fact that an ultrashort laser pulse is capable of demagnetizing a ferromagnetic layer in a jiffy has been well-known since approximately 1996. What we don't yet understand, however, is how exactly this demagnetization ...

Jan 27, 2013
4.5 / 5 (4) 1 | with audio podcast

Higgs excitations near absolute zero

(Phys.org) -- A collaboration of physicists from Max Planck Institute of Quantum Optics, LMU, Harvard and Caltech detect Higgs-type excitations in a low-dimensional system of ultracold atoms at the transition ...

Jul 25, 2012
4.7 / 5 (19) 14 | 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

Mediating magnetism

(PhysOrg.com) -- Titanium oxide doped with cobalt produces magnetic properties at room temperature via a newly discovered mechanism.

May 04, 2011
5 / 5 (2) 0 | with audio podcast