Researchers demonstrate Hopfions emerging from skyrmions in magnetic multilayer systems
Recent studies have suggested that 2D skyrmions could be the genesis of a 3D spin pattern called hopfions, but no one had been able to experimentally prove that magnetic hopfions exist on the nanoscale. Now, a team of researchers co-led by Berkeley Lab reported the first demonstration and observation of 3D hopfions emerging from skyrmions at the nanoscale in a magnetic system.
Artist’s drawing of characteristic 3D spin texture of a magnetic hopfion. Berkeley Lab scientists have created and observed 3D hopfions. Credit: Peter Fischer and Frances Hellman/Berkeley Lab (from Phys.org)
The researchers say that their discovery is a major step forward in realizing high-density, high-speed, low-power, yet ultrastable magnetic memory devices that exploit the intrinsic power of electron spin.
Source: https://www.spintronics-info.com/researchers-demonstrate-hopfions-emerging-skyrmions-magnetic-multilayer-systems
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