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Giant lattice softening at a Lifshitz transition in Sr2RuO4

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dc.contributor.authorNoad, H. M. L.
dc.contributor.authorIshida, K.
dc.contributor.authorLi, Y.-S.
dc.contributor.authorGati, E.
dc.contributor.authorStangier, V.
dc.contributor.authorKikugawa, N.
dc.contributor.authorSokolov, D. A.
dc.contributor.authorNicklas, M.
dc.contributor.authorKim, B.
dc.contributor.authorMazin, I. I.
dc.contributor.authorGarst, M.
dc.contributor.authorSchmalian, J.
dc.contributor.authorMackenzie, A. P.
dc.contributor.authorHicks, C. W.
dc.date.accessioned2024-02-12T17:30:04Z
dc.date.available2024-02-12T17:30:04Z
dc.date.issued2023-10-27
dc.identifier296451901
dc.identifier7801b481-725a-4e0b-9c4e-26f9be0e80eb
dc.identifier85175278248
dc.identifier.citationNoad , H M L , Ishida , K , Li , Y-S , Gati , E , Stangier , V , Kikugawa , N , Sokolov , D A , Nicklas , M , Kim , B , Mazin , I I , Garst , M , Schmalian , J , Mackenzie , A P & Hicks , C W 2023 , ' Giant lattice softening at a Lifshitz transition in Sr 2 RuO 4 ' , Science , vol. 382 , no. 6669 , pp. 447-450 . https://doi.org/10.1126/science.adf3348en
dc.identifier.issn0036-8075
dc.identifier.otherJisc: 1444356
dc.identifier.urihttps://hdl.handle.net/10023/29222
dc.descriptionThis work was supported by the Max Planck Society; Research in Dresden benefits from the environment provided by the DFG Cluster of Excellence (ct.qmat EXC 2147, Project 390858940 to A.P.M.); the German Research Foundation (TRR 288-422213477 ELASTO-Q-MAT, Project A10 to H.M.L.N., A.P.M., and C.W.H.; TRR 288-422213477 ELASTO-Q-MAT, Project A11 to M.G.; and TRR 288-422213477 ELASTO-Q-MAT, Project B01 to J.S. and V.S.); the Alexander von Humboldt Foundation (Research Fellowship for Postdoctoral Researchers to H.M.L.N.); received funding of the Klaus Tschira Boost Fund, a joint initiative of the German Scholars Organization and the Klaus Tschira Foundation (to H.M.L.N.); the Japan Society for the Promotion of Science (Overseas Research Fellowship to K.I. and KAKENHI Grants-in-Aid for Scientific Research grants 17H06136, 18K04715, 21H01033, and 22K19093 to N.K.; and Core-to-Core Program grant JPJSCCA20170002 to N.K.); the Japan Science and Technology Agency (JST)–Mirai Program (grant no. JPMJMI18A3 to N.K.); and the National Research Foundation of Korea (grants 2021R1C1C1007017 and 2022M3H4A1A04074153 to B.K.).en
dc.description.abstractThe interplay of electronic and structural degrees of freedom in solids is a topic of intense research. More than 60 years ago, Lifshitz discussed a counterintuitive possibility: lattice softening driven by conduction electrons at topological Fermi surface transitions. The effect that he predicted, however, was small and has not been convincingly observed. Using a piezo-based uniaxial pressure cell to tune the ultraclean metal strontium ruthenate while measuring the stress-strain relationship, we reveal a huge softening of the Young’s modulus at a Lifshitz transition of a two-dimensional Fermi surface and show that it is indeed driven entirely by the conduction electrons of the relevant energy band.
dc.format.extent4
dc.format.extent6290871
dc.language.isoeng
dc.relation.ispartofScienceen
dc.subjectQC Physicsen
dc.subjectDASen
dc.subjectACen
dc.subject.lccQCen
dc.titleGiant lattice softening at a Lifshitz transition in Sr2RuO4en
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. Condensed Matter Physicsen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.identifier.doi10.1126/science.adf3348
dc.description.statusPeer revieweden
dc.identifier.urlhttps://arxiv.org/abs/2306.17835en


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