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Cited by 219Magnetic properties of thin filmsTopological Materials and PhenomenaAdvanced Condensed Matter Physics

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Tailoring magnetic energies to form dipole skyrmions and skyrmion lattices

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Montoya, S. A., Couture, S., Chess, J. J., Lee, J. C. T., Kent, N., Henze, D., Sinha, S. K., Im, M.-Y., Kevan, S. D., Fischer, P., McMorran, B. J., Lomakin, V., Roy, S., Fullerton, E. E.·2017·Physical Review B
DOI 10.1103/physrevb.95.024415
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Abstract

The interesting physics and potential memory technologies resulting from topologically protected spin textures such as skyrmions have prompted efforts to discover new material systems that can host these kinds of magnetic structures. Here, we use the highly tunable magnetic properties of amorphous Fe/Gd multilayer films to explore the magnetic properties that lead to dipole-stabilized skyrmions and skyrmion lattices that form from the competition of dipolar field and exchange energy. Using both real space imaging and reciprocal space scattering techniques, we determined the range of material properties and magnetic fields where skyrmions form. Micromagnetic modeling closely matches our observation of small skyrmion features (\ensuremath{\sim}50 to 70 nm) and suggests that these classes of skyrmions have a rich domain structure that is Bloch-like in the center of the film and more N\'eel-like towards each surface. Our results provide a pathway to engineer the formation and controllability of dipole skyrmion phases in a thin film geometry at different temperatures and magnetic fields.

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Metadata

Authors
Montoya, S. A., Couture, S., Chess, J. J., Lee, J. C. T., Kent, N., Henze, D., Sinha, S. K., Im, M.-Y., Kevan, S. D., Fischer, P., McMorran, B. J., Lomakin, V., Roy, S., & Fullerton, E. E.
Affiliations
  • University of California San Diego (US)
  • University of Oregon (US)
  • Lawrence Berkeley National Laboratory (US)
  • University of California, Santa Cruz (US)
ORCID
Venue
Physical Review B
Publisher
American Physical Society (APS)
Published
2017-01-13
Volume
95
Issue
2
ISSN
  • 2469-9950 (ISSN-L)
  • 2469-9969
DOI
10.1103/physrevb.95.024415
OpenAlex
W2578206223
Cited by
219
References
0
Citations by year
2026: 7 · 2025: 22 · 2024: 24 · 2023: 15 · 2022: 22 · 2021: 35 · 2020: 30 · 2019: 20 · 2018: 29 · 2017: 14
FWCI
12.47
Type
journal article
Language
en
Open access
Licence
Locations
  • Physical review. B./Physical review. B (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
  • arXiv (Cornell University)
Funders
  • U.S. Department of Energy (DE-SC0003678, DE-SC0010466, DE-AC02- 05CH11231, DE-AC02-05-CH11231)
  • Lawrence Berkeley National Laboratory
  • U.S. Department of Defense
  • National Research Foundation of Korea
  • Ministry of Education, Science and Technology (2012K1A4A3053565, 2014R1A2A2A01003709)
Topics
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Magnetic properties of thin films
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Topological Materials and Phenomena
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Advanced Condensed Matter Physics
Keywords
magnetic skyrmions, skyrmion lattice, Fe/Gd multilayers, amorphous magnetic films, dipolar field, exchange energy, micromagnetic simulation, magnetic domain structure, magnetic memory

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