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  Double-Q ground state with topological charge stripes in the centrosymmetric skyrmion candidate GdRu2Si2

Wood, G. D. A., Khalyavin, D. D., Mayoh, D. A., Bouaziz, J., Hall, A. E., Holt, S., et al. (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.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-000D-1766-7 Versions-Permalink: https://hdl.handle.net/21.11116/0000-000D-1BC8-4
Genre: Zeitschriftenartikel

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PhysRevB.107.L180402.pdf (Verlagsversion), 977KB
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2023
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© the Author(s). Published by the American Physical Society
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Supplemental Material: 2 figures, both of which are complimentary, but not essential to the purpose of the main text. 1. Schematic, to explain the diffraction of two domains. A full description of this is given in the main manuscript. 2. An additional measurement of a diffraction plane is shown, to demonstrate a minor point, which is complementary to the main manuscript.
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https://arxiv.org/abs/2304.14896 (Preprint)
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https://doi.org/10.1103/PhysRevB.107.L180402 (Verlagsversion)
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 Urheber:
Wood, G. D. A.1, Autor
Khalyavin, D. D.2, Autor
Mayoh, D. A.1, Autor
Bouaziz, J.3, Autor
Hall, A. E.1, Autor
Holt, S.4, 5, Autor           
Orlando, F.2, Autor
Manuel, P.2, Autor
Blügel, S.3, Autor
Staunton, J. B.1, Autor
Petrenko, O. A.1, Autor
Lees, M. R.1, Autor
Balakrishnan, G.1, Autor
Affiliations:
1Department of Physics, University of Warwick, ou_persistent22              
2SIS Facility, STFC Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, ou_persistent22              
3Peter Grünberg Institut and Institute for Advanced Simulation, Forschungszentrum Jülich & JARA, ou_persistent22              
4Faculty of Engineering and Physical Sciences, University of Southampton, ou_persistent22              
5Computational Science, Scientific Service Units, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_3267028              

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 Zusammenfassung: 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.

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Sprache(n): eng - English
 Datum: 2023-04-132023-01-252023-04-142023-05-112023-05-01
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: arXiv: 2304.14896
DOI: 10.1103/PhysRevB.107.L180402
 Art des Abschluß: -

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Projektname : We would like to acknowledge Tom Orton and Patrick Ruddy for their technical support. This Letter was financially supported by two Engineering and Physical Sciences Research Council grants: Grant No. EP/T005963/1 and the U.K. Skyrmion Project Grant No. EP/N032128/1. This Letter was supported by U.K. Research and Innovation and Science and Technology Facilities Council through the provision of beam time at the ISIS Neutron and Muon Source [30], as well as partial funding for the 160Gd isotope used in the neutron experiment.
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Quelle 1

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Titel: Physical Review B
  Kurztitel : Phys. Rev. B
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Woodbury, NY : American Physical Society
Seiten: - Band / Heft: 107 (18) Artikelnummer: L180402 Start- / Endseite: - Identifikator: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008