Bulk charge density wave and electron-phonon coupling in superconducting copper oxychlorides - Inria - Institut national de recherche en sciences et technologies du numérique
Article Dans Une Revue Physical Review Research Année : 2022

Bulk charge density wave and electron-phonon coupling in superconducting copper oxychlorides

Laura Chaix
Hu Miao
  • Fonction : Auteur
  • PersonId : 991851
Alessandro Nicolaou
  • Fonction : Auteur
  • PersonId : 991846
Stéphane Grenier
Matteo d'Astuto

Résumé

Bulk charge density waves are now reported in nearly all high-temperature superconducting cuprates, with the noticeable exception of one particular family: the copper oxychlorides. Here, we used resonant inelastic X-ray scattering to reveal a bulk charge density waves in these materials. Combining resonant inelastic X-ray scattering with non-resonant inelastic X-ray scattering, we investigate the interplay between the lattice excitations and the charge density wave, and evidence the phonon anomalies of the Cu-O bond-stretching mode at the charge density wave wave-vector. We propose that such electron-phonon anomalies occur in the presence of dispersive charge excitations emanating from the charge density wave and interacting with the Cu-O bond-stretching phonon. Our results pave the way for future studies, combining both bulk and surface probes, to investigate the static and dynamical properties of the charge density wave in the copper oxychloride family.
Fichier principal
Vignette du fichier
Na-CCOC-PRR-MAIN-22-04-14.pdf (2.92 Mo) Télécharger le fichier
Origine Fichiers produits par l'(les) auteur(s)

Dates et versions

hal-03619987 , version 1 (28-03-2022)
hal-03619987 , version 2 (26-04-2022)

Identifiants

Citer

Laura Chaix, Blair W. Lebert, Hu Miao, Alessandro Nicolaou, Flora Yakhou, et al.. Bulk charge density wave and electron-phonon coupling in superconducting copper oxychlorides. Physical Review Research, 2022, 4 (3), pp.033004. ⟨10.1103/PhysRevResearch.4.033004⟩. ⟨hal-03619987v2⟩
115 Consultations
67 Téléchargements

Altmetric

Partager

More