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Local inversion-symmetry breaking in a bismuthate high-Tc superconductor
Nature Communications, 14 (2023), 1; 845. https://doi.org/10.1038/s41467-023-36348-9
Griffitt, S.; Spaić, Marin; Joe, J.; Anderson, Z. W.; Zhai, D.; Krogstad, M. J.; Osborn, R.; Pelc, Damjan; Greven, M.

Institucijski repozitorij: Repozitorij Prirodoslovno-matematičkog fakulteta

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Griffitt, S., Spaić, M., Joe, J., Anderson, Z. W., Zhai, D., Krogstad, M. J. ... Greven, M. (2023). Local inversion-symmetry breaking in a bismuthate high-Tc superconductor. Nature Communications, 14. (1). doi: 10.1038/s41467-023-36348-9

Griffitt, S., et al. "Local inversion-symmetry breaking in a bismuthate high-Tc superconductor." Nature Communications, vol. 14, br. 1, 2023. https://doi.org/10.1038/s41467-023-36348-9

Griffitt, S., Marin Spaić, J. Joe, Z. W. Anderson, D. Zhai, M. J. Krogstad, R. Osborn, Damjan Pelc i M. Greven. "Local inversion-symmetry breaking in a bismuthate high-Tc superconductor." Nature Communications 14, br. 1 (2023). https://doi.org/10.1038/s41467-023-36348-9

Griffitt, S., et al. (2023) 'Local inversion-symmetry breaking in a bismuthate high-Tc superconductor', Nature Communications, 14(1). doi: 10.1038/s41467-023-36348-9

Griffitt S, Spaić M, Joe J, Anderson ZW, Zhai D, Krogstad MJ, i sur.. Local inversion-symmetry breaking in a bismuthate high-Tc superconductor. Nature Communications [Internet]. 15.02.2023. [pristupljeno 18.11.2024.];14(1). doi: 10.1038/s41467-023-36348-9

S. Griffitt, et al., "Local inversion-symmetry breaking in a bismuthate high-Tc superconductor", Nature Communications, vol. 14, br. 1, Veljača 2023. [Online]. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:217:129828. [Citirano: 18.11.2024.]

Za citiranje koristite ovu mrežnu adresu: https://urn.nsk.hr/urn:nbn:hr:217:129828
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Naslov (engleski)Local inversion-symmetry breaking in a bismuthate high-Tc superconductor
AutorS. Griffitt
AutorMarin Spaić
AutorJ. Joe
AutorZ. W. Anderson
AutorD. Zhai
AutorM. J. Krogstad
AutorR. Osborn
AutorDamjan Pelc
AutorM. Greven
Autorova ustanovaSveučilište u Zagrebu
Prirodoslovno-matematički fakultet
(Fizički odsjek)
Znanstveno / umjetničko
područje, polje i grana		PRIRODNE ZNANOSTI
Fizika
Sažetak (engleski)
The doped perovskite BaBiO3 exhibits a maximum superconducting transition temperature (Tc) of 34 K and was the first high-Tc oxide to be discovered, yet pivotal questions regarding the nature of both the metallic and superconducting states remain unresolved. Although it is generally thought that superconductivity in the bismuthates is of the conventional s-wave type, the pairing mechanism is still debated, with strong electron- phonon coupling and bismuth valence or bond disproportionation possibly playing a role. Here we use diffuse x-ray scattering and Monte Carlo modeling to study the local structure of Ba1- xKxBiO3 across its insulator-metal boundary. We find no evidence for either long- or short-range disproportionation, which resolves a major conundrum, as disproportionation and the related polaronic effects are likely not relevant for the metallic and superconducting states. Instead, we uncover nanoscale structural correlations that break inversion symmetry, with far-reaching implications for the electronic physics. This unexpected finding furthermore establishes that the bismuthates belong to the broader classes of materials with hidden spin-orbit coupling and a tendency towards inversion-breaking displacements.
Ključne riječi (engleski)
Jezikengleski
Vrsta publikacijeZnanstveni rad - Izvorni znanstveni rad
Status objaveObjavljen
Vrsta recenzijeRecenziran - međunarodna recenzija
Verzija publikacijeObjavljena verzija rada (izdavačev PDF)
Naslov časopisaNature Communications
Brojčani podacivol. 14, br. 1, 845
e-ISSN2041-1723
DOIhttps://doi.org/10.1038/s41467-023-36348-9
URN:NBNurn:nbn:hr:217:129828
Datum objave publikacije2023-02-15
ProjektŠifra: UIP-2020-02-9494
Naziv (hrvatski): Kolektivna pobuđenja i lokalna struktura u nekonvencionalnim supravodičima
Naziv (engleski): Collective excitations and local structure of unconventional superconductors
Kratica: CELUS
Voditelj: Damjan Pelc
Pravna nadležnost: Hrvatska
Financijer: HRZZ
Linija financiranja: UIP
URL dokumentahttps://www.nature.com/articles/s41467-023-36348-9
Vrsta resursaTekst
Prava pristupaOtvoreni pristup
Uvjeti korištenjaIkona licence Imenovanje 4.0 međunarodna (CC BY 4.0)
Javna napomenaOpen Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. Received 08 August 2022; Accepted 24 January 2023; Published 15 February 2023.
Datum i vrijeme pohrane2023-08-23 10:20:44