Manipulating topological states by imprinting non-collinear spin textures
Abstract
Topological magnetic states, such as chiral skyrmions, are of great scientific interest and show huge potential for novel spintronics applications, provided their topological charges can be fully controlled. So far skyrmionic textures have been observed in noncentrosymmetric crystalline materials with low symmetry and at low temperatures. We propose theoretically and demonstrate experimentally the design of spin textures with topological charge densities that can be tailored at ambient temperatures. Tuning the interlayer coupling in vertically stacked nanopatterned magnetic heterostructures, such as a model system of a Co/Pd multilayer coupled to Permalloy, the in-plane non-collinear spin texture of one layer can be imprinted into the out-of-plane magnetised material. We observe distinct spin textures, e.g. vortices, magnetic swirls with tunable opening angle, donut states and skyrmion core configurations. We show that applying a small magnetic field, a reliable switching between topologically distinct textures can be achieved at remanence
- Authors:
-
- Institute for Integrative Nanosciences, Dresden (Germany)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Daegu Gyeongbuk Institute of Science and Technology, Daegu (Korea)
- Helmholtz-Zentrum Berlin fur Materialien und Energie GmbH, Berlin (Germany)
- Institute for Theoretical Solid State Physics, Dresden (Germany)
- Helmholtz-Zentrum Berlin fur Materialien und Energie GmbH, Berlin (Germany); Institut fur Experimentalphysik/Festkorperphysik, Bochum (Germany)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ of California Santa Cruz, Santa Cruz, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1191299
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scientific Reports
- Additional Journal Information:
- Journal Volume: 5; Journal Issue: 1; Journal ID: ISSN 2045-2322
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Streubel, Robert, Han, Luyang, Im, Mi -Young, Kronast, Florian, Rößler, Ulrich K., Radu, Florin, Abrudan, Radu, Lin, Gungun, Schmidt, Oliver G., Fischer, Peter, and Makarov, Denys. Manipulating topological states by imprinting non-collinear spin textures. United States: N. p., 2015.
Web. doi:10.1038/srep08787.
Streubel, Robert, Han, Luyang, Im, Mi -Young, Kronast, Florian, Rößler, Ulrich K., Radu, Florin, Abrudan, Radu, Lin, Gungun, Schmidt, Oliver G., Fischer, Peter, & Makarov, Denys. Manipulating topological states by imprinting non-collinear spin textures. United States. https://doi.org/10.1038/srep08787
Streubel, Robert, Han, Luyang, Im, Mi -Young, Kronast, Florian, Rößler, Ulrich K., Radu, Florin, Abrudan, Radu, Lin, Gungun, Schmidt, Oliver G., Fischer, Peter, and Makarov, Denys. Thu .
"Manipulating topological states by imprinting non-collinear spin textures". United States. https://doi.org/10.1038/srep08787. https://www.osti.gov/servlets/purl/1191299.
@article{osti_1191299,
title = {Manipulating topological states by imprinting non-collinear spin textures},
author = {Streubel, Robert and Han, Luyang and Im, Mi -Young and Kronast, Florian and Rößler, Ulrich K. and Radu, Florin and Abrudan, Radu and Lin, Gungun and Schmidt, Oliver G. and Fischer, Peter and Makarov, Denys},
abstractNote = {Topological magnetic states, such as chiral skyrmions, are of great scientific interest and show huge potential for novel spintronics applications, provided their topological charges can be fully controlled. So far skyrmionic textures have been observed in noncentrosymmetric crystalline materials with low symmetry and at low temperatures. We propose theoretically and demonstrate experimentally the design of spin textures with topological charge densities that can be tailored at ambient temperatures. Tuning the interlayer coupling in vertically stacked nanopatterned magnetic heterostructures, such as a model system of a Co/Pd multilayer coupled to Permalloy, the in-plane non-collinear spin texture of one layer can be imprinted into the out-of-plane magnetised material. We observe distinct spin textures, e.g. vortices, magnetic swirls with tunable opening angle, donut states and skyrmion core configurations. We show that applying a small magnetic field, a reliable switching between topologically distinct textures can be achieved at remanence},
doi = {10.1038/srep08787},
journal = {Scientific Reports},
number = 1,
volume = 5,
place = {United States},
year = {Thu Mar 05 00:00:00 EST 2015},
month = {Thu Mar 05 00:00:00 EST 2015}
}
Web of Science
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