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Double-Q ground state with topological charge stripes in the centrosymmetric skyrmion candidate GdRu2Si2
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Wood, G. D. A., Khalyavin, D. D., Mayoh, Daniel, Bouaziz, J., Hall, A. E., Holt, S. J. R., Orlandi, F., Manuel, P., Blügel, S., Staunton, Julie B., Petrenko, Oleg, Lees, Martin R. and Balakrishnan, G. (2023) Double-Q ground state with topological charge stripes in the centrosymmetric skyrmion candidate GdRu2Si2. Physical Review B, 107 (18). L180402. doi:10.1103/PhysRevB.107.L180402 ISSN 2469-9950.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.107.L180402
Abstract
GdRu2Si2 is a centrosymmetric magnet in which a skyrmion lattice has recently been discovered. Here, we investigate the magnetic structure of the zero-field ground state using neutron diffraction on single crystal and polycrystalline 160GdRu2Si2. In addition to observing the principal propagation vectors q1 and q2, we discover higher-order magnetic satellites, notably q1 + 2q2. The appearance of these satellites is explained within the framework of a double-Q constant-moment solution. Using powder diffraction, we implement a quantitative refinement of this model. This structure, which contains vortexlike motifs, is shown to have a one-dimensional topological charge density.
Item Type: | Journal Article | |||||||||||||||
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Subjects: | Q Science > QC Physics | |||||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | |||||||||||||||
Library of Congress Subject Headings (LCSH): | Skyrme model , Lattice theory, Magnetic materials, Neutrons -- Diffraction | |||||||||||||||
Journal or Publication Title: | Physical Review B | |||||||||||||||
Publisher: | American Physical Society | |||||||||||||||
ISSN: | 2469-9950 | |||||||||||||||
Official Date: | 11 May 2023 | |||||||||||||||
Dates: |
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Volume: | 107 | |||||||||||||||
Number: | 18 | |||||||||||||||
Article Number: | L180402 | |||||||||||||||
DOI: | 10.1103/PhysRevB.107.L180402 | |||||||||||||||
Status: | Peer Reviewed | |||||||||||||||
Publication Status: | Published | |||||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||||||||
Copyright Holders: | American Physical Society | |||||||||||||||
Date of first compliant deposit: | 18 May 2023 | |||||||||||||||
Date of first compliant Open Access: | 19 May 2023 | |||||||||||||||
RIOXX Funder/Project Grant: |
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