Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session A54: Skyrmions and Chiral Spin Textures in Thin Films and Multilayers
8:00 AM–10:36 AM,
Monday, March 6, 2023
Room: Room 306
Sponsoring
Unit:
GMAG
Chair: Mi-Young Im, Lawrence Berkeley National Laboratory
Abstract: A54.00005 : 3D topological spin textures in magnetic multilayers*
8:48 AM–9:00 AM
Presenter:
David Raftrey
(University of California, Santa Cruz)
Authors:
David Raftrey
(University of California, Santa Cruz)
Peter J Fischer
(Lawrence Berkeley National Laboratory)
Simone Finizio
(Paul Scherrer Institute)
Jörg Raabe
(Paul Scherrer Institute)
Tiffany S Santos
(Western Digital Research Center, Western Digital Corporation, San Jose, CA)
Scott Dhuey
(Lawrence Berkeley National Laboratory)
Here, we present results of magnetic X-ray laminography [5] recorded at the Pollux end station at the Swiss Light Source. Full 3D renderings of chiral spin textures in magnetic Pt/Co/Ir multilayers provide detailed insight into underlying interactions in those spin textures.
In addition to their static character, the fast dynamics, which can be triggered e.g., by current [6] or field [7] pulses are also of great interest. Micromagnetic simulations indicate a field driven transition from a Hopfion to a toron state.
*This work was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division under Contract No. DE-AC02-05-CH11231 within the Non-equilibrium Magnetic Materials Program.
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