In nature, the collective motion of some birds and fish, such as flocks of starlings and shoals of sardines, respectively, can generate impressive dynamic phenomena. Their study constitutes active matter science, which has ...
Nanophysics
Feb 13, 2024
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31
Researchers at the University of Augsburg and the University of Vienna have discovered co-existing magnetic skyrmions and antiskyrmions of arbitrary topological charge at room temperature in magnetic Co/Ni multilayer thin ...
Nanophysics
Jan 26, 2024
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141
In an experiment that could help the development of new spintronics devices with low energy consumption, researchers from RIKEN and collaborators have used heat and magnetic fields to create transformations between spin textures—magnetic ...
Condensed Matter
Jan 12, 2024
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48
Hopfions, magnetic spin structures predicted decades ago, have become a hot and challenging research topic in recent years. In a study published in Nature, the first experimental evidence is presented by a Swedish-German-Chinese ...
Condensed Matter
Nov 22, 2023
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406
RIKEN researchers have brought low-energy devices based on spintronics one step closer, by measuring the dynamics of tiny magnetic vortices.
Condensed Matter
Nov 11, 2023
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126
Scientists at the National Institute of Standards and Technology (NIST) with colleagues elsewhere have employed neutron imaging and a reconstruction algorithm to reveal for the first time the 3D shapes and dynamics of very ...
Condensed Matter
Sep 26, 2023
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39
Magnetic skyrmions have received much attention as promising, topologically protected quasiparticles with applications in spintronics. Skyrmions are small, swirling topological magnetic excitations with particle-like properties. ...
Researchers of Johannes Gutenberg University Mainz and the University of Konstanz in Germany as well as of Tohoku University in Japan have been able to increase the diffusion of magnetic whirls, so called skyrmions, by a ...
Condensed Matter
Sep 11, 2023
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31
The word "fractals" might inspire images of psychedelic colors spiraling into infinity in a computer animation. An invisible, but powerful and useful, version of this phenomenon exists in the realm of dynamic magnetic fractal ...
Condensed Matter
Aug 28, 2023
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261
A new study at BESSY II analyzes the formation of skyrmions in ferrimagnetic thin films of dysprosium and cobalt in real time and with high spatial resolution. This is an important step towards characterizing suitable materials ...
Condensed Matter
Aug 28, 2023
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19
