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  Spin-orbit coupling induced Van Hove singularity in proximity to a Lifshitz transition in Sr4Ru3O10

Marques, C. A., Murgatroyd, P. A. E., Fittipaldi, R., Osmolska, W., Edwards, B., Benedičič, I., et al. (2024). Spin-orbit coupling induced Van Hove singularity in proximity to a Lifshitz transition in Sr4Ru3O10. npj Quantum Materials, 9: 35, pp. 1-9. doi:10.1038/s41535-024-00645-3.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-000F-4758-F Versions-Permalink: https://hdl.handle.net/21.11116/0000-000F-74F5-A
Genre: Zeitschriftenartikel

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 Urheber:
Marques, Carolina A.1, Autor
Murgatroyd, Philip A. E.1, Autor
Fittipaldi, Rosalba1, Autor
Osmolska, Weronika1, Autor
Edwards, Brendan1, Autor
Benedičič, Izidor1, Autor
Siemann, Gesa-R.1, Autor
Rhodes, Luke C.1, Autor
Buchberger, Sebastian2, Autor           
Naritsuka, Masahiro1, Autor
Abarca-Morales, Edgar2, Autor           
Halliday, Daniel1, Autor
Polley, Craig1, Autor
Leandersson, Mats1, Autor
Horio, Masafumi1, Autor
Chang, Johan1, Autor
Arumugam, Raja1, Autor
Lettieri, Mariateresa1, Autor
Granata, Veronica1, Autor
Vecchione, Antonio1, Autor
King, Phil D. C.1, AutorWahl, Peter1, Autor mehr..
Affiliations:
1External Organizations, ou_persistent22              
2Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              

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 Zusammenfassung: Van Hove singularities (VHss) in the vicinity of the Fermi energy often play a dramatic role in the physics of strongly correlated electron materials. The divergence of the density of states generated by VHss can trigger the emergence of phases such as superconductivity, ferromagnetism, metamagnetism, and density wave orders. A detailed understanding of the electronic structure of these VHss is therefore essential for an accurate description of such instabilities. Here, we study the low-energy electronic structure of the trilayer strontium ruthenate Sr4Ru3O10, identifying a rich hierarchy of VHss using angle-resolved photoemission spectroscopy and millikelvin scanning tunneling microscopy. Comparison of k-resolved electron spectroscopy and quasiparticle interference allows us to determine the structure of the VHss and demonstrate the crucial role of spin-orbit coupling in shaping them. We use this to develop a minimal model from which we identify a mechanism for driving a field-induced Lifshitz transition in ferromagnetic metals. © The Author(s) 2024.

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Sprache(n): eng - English
 Datum: 2024-04-082024-04-08
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1038/s41535-024-00645-3
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Titel: npj Quantum Materials
  Alternativer Titel : npj Quantum Mater.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Nature Research
Seiten: - Band / Heft: 9 Artikelnummer: 35 Start- / Endseite: 1 - 9 Identifikator: ISBN: 23974648 (ISSN)