News tagged with ferromagnet

Golden ratio discovered in a quantum world

Researchers from the Helmholtz-Zentrum Berlin für Materialien und Energie (HZB, Germany), in cooperation with colleagues from Oxford and Bristol Universities, as well as the Rutherford Appleton Laboratory, ...

Jan 07, 2010
4.8 / 5 (56) 12 | with audio podcast

Magnetic switch gets closer to application

Scientists from Paris, Newcastle and Helmholtz-Zentrum Berlin have been able to switch on and off robust ferromagnetism close to room temperature by using low electric fields. Their results are inspiring ...

Jan 27, 2014
2 / 5 (2) 0 | with audio podcast

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

Graphite mimics iron's magnetism

Researchers of Eindhoven University of Technology and the Radboud University Nijmegen in The Netherlands show for the first time why ordinary graphite is a permanent magnet at room temperature. The results ...

Oct 04, 2009
4.6 / 5 (17) 1

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