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dc.contributor.authorKim, H.-H.
dc.contributor.authorLefrançois, E.
dc.contributor.authorKummer, K.
dc.contributor.authorFumagalli, R.
dc.contributor.authorBrookes, N. B.
dc.contributor.authorBetto, D.
dc.contributor.authorNakata, S.
dc.contributor.authorTortora, M.
dc.contributor.authorPorras, J.
dc.contributor.authorLoew, T.
dc.contributor.authorBarber, M. E.
dc.contributor.authorBraicovich, L.
dc.contributor.authorMackenzie, A. P.
dc.contributor.authorHicks, C. W.
dc.contributor.authorKeimer, B.
dc.contributor.authorMinola, M.
dc.contributor.authorLe Tacon, M.
dc.identifier.citationKim , H-H , Lefrançois , E , Kummer , K , Fumagalli , R , Brookes , N B , Betto , D , Nakata , S , Tortora , M , Porras , J , Loew , T , Barber , M E , Braicovich , L , Mackenzie , A P , Hicks , C W , Keimer , B , Minola , M & Le Tacon , M 2021 , ' Charge density waves in YBa 2 Cu 3 O 6.67  probed by resonant x-ray scattering under uniaxial compression ' , Physical Review Letters , vol. 126 , no. 3 , 037002 .
dc.identifier.otherPURE: 272707838
dc.identifier.otherPURE UUID: 0bcb0b8b-1371-4207-b28e-4dcec881db0f
dc.identifier.otherRIS: urn:FD8E5312C023837499E69131BF2498FF
dc.identifier.otherRIS: 10.1103/PhysRevLett.126.037002
dc.identifier.otherScopus: 85099876932
dc.identifier.otherWOS: 000609265300012
dc.descriptionFunding: R.F acknowledges support by Fondazione CARIPLO and Regione Lombardia under project “ERC-P-ReXS” No. 2016-0790. M. L. T. and C. W. H. acknowledge the support of the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) Project No. 422213477-TRR288 (Project B03).en
dc.description.abstractWe report a comprehensive Cu L3-edge resonant x-ray scattering (RXS) study of two- and three-dimensional (2D and 3D) incommensurate charge correlations in single crystals of the underdoped high-temperature superconductor YBa2Cu3O6.67 under uniaxial compression up to 1% along the two inequivalent Cu─O─Cu bond directions (a and b) in the CuO2 planes. We confirm the strong in-plane anisotropy of the 2D charge correlations and observe their symmetric response to pressure: pressure along a enhances correlations along b, and vice versa. Our results imply that the underlying order parameter is uniaxial. In contrast, 3D long-range charge order is only observed along b in response to compression along a. Spectroscopic RXS measurements show that the 3D charge order resides exclusively in the CuO2 planes and may thus be generic to the cuprates. We discuss implications of these results for models of electronic nematicity and for the interplay between charge order and superconductivity.
dc.relation.ispartofPhysical Review Lettersen
dc.rightsCopyright ©2021 American Physical Society. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the final published version of the work, which was originally published at
dc.subjectQC Physicsen
dc.subjectTK Electrical engineering. Electronics Nuclear engineeringen
dc.titleCharge density waves in YBa2Cu3O6.67 probed by resonant x-ray scattering under uniaxial compressionen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews. Condensed Matter Physicsen
dc.description.statusPeer revieweden

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