News tagged with magnetic vortex

New phenomenon in nanodisk magnetic vortices

(Phys.org) -- The phenomenon in ferromagnetic nanodisks of magnetic vortices – hurricanes of magnetism only a few atoms across – has generated intense interest in the high-tech community because ...

Aug 08, 2012
5 / 5 (2) 0 | with audio podcast

Electron microscopes with a twist

Vortex beams, rotating like a tornado, offer completely new possibilities for electron microscopy. A method of producing extremely intense vortex beams has been discovered at the Vienna University of Technology ...

Nov 05, 2012
4.7 / 5 (3) 2 | with audio podcast

Scientists generate rotating electron beams

A team of EU-funded scientists has come up with a way of generating rotating electron beams. The technique, described in the journal Nature, could be used to probe the magnetic properties of materials and co ...

Sep 17, 2010
4.9 / 5 (18) 3 | with audio podcast

Magnetic Vortex Switch Leads to Electric Pulse

(PhysOrg.com) -- Researchers at the University of Arkansas have shown that changing the chirality, or direction of spin, of a nanoscale magnetic vortex creates an electric pulse, suggesting that such a pulse might be of use ...

Apr 08, 2009
4.8 / 5 (9) 1

Emerging from the vortex

Whether a car or a ball, the forces acting on a body moving in a straight line are very different to those acting on one moving in tight curves. This maxim also holds true at microscopic scales. As such, a ...

Feb 17, 2012
3 / 5 (2) 0

Manipulating the texture of magnetism

Knowing how to control the combined magnetic properties of interacting electrons will provide the basis to develop an important tool for advancing spintronics: a technology that aims to harness these properties ...

Feb 03, 2012
5 / 5 (5) 1
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