Tetrahedral triple-Q magnetic ordering and large spontaneous hall conductivity in the metallic triangular antiferromagnet Co1/3TaS2

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dc.contributor.authorPark, Pen_AU
dc.contributor.authorCho, Wen_AU
dc.contributor.authorKim, Cen_AU
dc.contributor.authorAn, Yen_AU
dc.contributor.authorKang, YGen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorSibille, Ren_AU
dc.contributor.authorIida, Ken_AU
dc.contributor.authorKajimoto, Ren_AU
dc.contributor.authorLee, KHen_AU
dc.contributor.authorJu, Wen_AU
dc.contributor.authorCho, EJen_AU
dc.contributor.authorNoh, HJen_AU
dc.contributor.authorHan, MJen_AU
dc.contributor.authorZhang, SSen_AU
dc.contributor.authorBatista, CDen_AU
dc.contributor.authorPark, JGen_AU
dc.date.accessioned2024-12-19T02:37:39Zen_AU
dc.date.available2024-12-19T02:37:39Zen_AU
dc.date.issued2023-12-15en_AU
dc.date.statistics2024-07-04en_AU
dc.descriptionWe acknowledge S. H. Lee, S. S. Lee, Y. Noda, and M. Mostovoy for their helpful discussions and M. Kenzelmann for his help with the experiments at SINQ. The Samsung Science & Technology Foundation supported this work (Grant No. SSTF-BA2101-05). The neutron scattering experiment at the Japan Proton Accelerator Research Complex (J-PARC) was performed under the user program (Proposal No. 2021B0049). One of the authors (J.-G.P.) is partly funded by the Leading Researcher Program of the National Research Foundation of Korea (Grant No. 2020R1A3B2079375). This work is based on experiments performed at the Swiss spallation neutron source SINQ, Paul Scherrer Institute, Villigen, Switzerland. C.D.B. acknowledges support from the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Award No. DE-SC0022311.en_AU
dc.description.abstractThe triangular lattice antiferromagnet (TLAF) has been the standard paradigm of frustrated magnetism for several decades. The most common magnetic ordering in insulating TLAFs is the 120° structure. However, a new triple-Q chiral ordering can emerge in metallic TLAFs, representing the short wavelength limit of magnetic skyrmion crystals. We report the metallic TLAF Co1/3TaS2 as the first example of tetrahedral triple-Q magnetic ordering with the associated topological Hall effect (non-zero σxy(H = 0)). We also present a theoretical framework that describes the emergence of this magnetic ground state, which is further supported by the electronic structure measured by angle-resolved photoemission spectroscopy. Additionally, our measurements of the inelastic neutron scattering cross section are consistent with the calculated dynamical structure factor of the tetrahedral triple-Q state. © 2024 Springer Nature Limited.en_AU
dc.format.mediumElectronicen_AU
dc.identifier.articlenumber8346en_AU
dc.identifier.citationPark, P., Cho, W., Kim, C., An, Y., Kang, Y.-G., Avdeev, M., Sibille, R., Iida, K., Kajimoto, R., Lee, K. H., Ju, W., Cho, E.-J., Noh, H.-J., Han, M. J., Zhang, S.-S., Batista, C. D., & Park, J.-G. (2023). Tetrahedral triple-Q magnetic ordering and large spontaneous hall conductivity in the metallic triangular antiferromagnet Co1/3TaS2. Nature Communications, 14(1), 8346. doi:10.1038/s41467-023-43853-4en_AU
dc.identifier.issn2041-1723en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleNature Communicationsen_AU
dc.identifier.pagination8346-en_AU
dc.identifier.urihttps://doi.org/10.1038/s41467-023-43853-4en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/15831en_AU
dc.identifier.volume14en_AU
dc.languageEnglishen_AU
dc.language.isoenen_AU
dc.publisherSpringer Natureen_AU
dc.subjectAntiferromagnetismen_AU
dc.subjectElectric conductivityen_AU
dc.subjectMagnetismen_AU
dc.subjectCrystalsen_AU
dc.subjectSpectroscopyen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectCrystal latticesen_AU
dc.subjectWavelengthsen_AU
dc.titleTetrahedral triple-Q magnetic ordering and large spontaneous hall conductivity in the metallic triangular antiferromagnet Co1/3TaS2en_AU
dc.typeJournal Articleen_AU
dcterms.dateAccepted2023-11-22en_AU
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