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Title: 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:
 [1];  [1];  [2];  [3];  [4];  [3];  [5];  [1];  [1];  [6];  [1]
  1. Institute for Integrative Nanosciences, Dresden (Germany)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Daegu Gyeongbuk Institute of Science and Technology, Daegu (Korea)
  3. Helmholtz-Zentrum Berlin fur Materialien und Energie GmbH, Berlin (Germany)
  4. Institute for Theoretical Solid State Physics, Dresden (Germany)
  5. Helmholtz-Zentrum Berlin fur Materialien und Energie GmbH, Berlin (Germany); Institut fur Experimentalphysik/Festkorperphysik, Bochum (Germany)
  6. 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 Lab. (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:
Journal Article: 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},
url = {https://www.osti.gov/biblio/1191299}, journal = {Scientific Reports},
issn = {2045-2322},
number = 1,
volume = 5,
place = {United States},
year = {2015},
month = {3}
}

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Cited by: 12 works
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    Works referencing / citing this record:

    Spin, Orbital, Weyl and Other Glasses in Topological Superfluids
    journal, December 2018


    Realization of ground-state artificial skyrmion lattices at room temperature
    journal, October 2015


    Thermal stability and topological protection of skyrmions in nanotracks
    journal, June 2017


    Skyrmionium – high velocity without the skyrmion Hall effect
    journal, November 2018


    Dzyaloshinskii–Moriya interaction in Pt/Co/Ir and Pt/Co/Ru multilayer films
    journal, March 2018


    Generation and stability of structurally imprinted target skyrmions in magnetic multilayers
    journal, September 2019


    Magnetism in curved geometries
    journal, August 2016


    Out-of-plane magnetized cone-shaped magnetic nanoshells
    journal, February 2017


    Techniques in micromagnetic simulation and analysis
    journal, July 2017


    Ultrafast magnetodynamics with free-electron lasers
    journal, January 2018


    Topological defects in weak perpendicular magnetic anisotropy NdCo honeycomb lattices
    journal, November 2018


    Realization of Ground-State Artificial Skyrmion Lattices at Room Temperature
    conference, August 2016