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

L. Chaix; B. Lebert; H. Miao; A. Nicolaou; F. Yakhou; H. Cercellier; S. Grenier; N. B. Brookes; A. Sulpice; S. Tsutsui; A. Bosak; L. Paolasini; D. Santos-Cottin; H. Yamamoto; I. Yamada; M. Azuma; T. Nishikubo; T. Yamamoto; M. Katsumata; M. P.M. Dean; M. D'Astuto

doi:10.1103/PhysRevResearch.4.033004

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

L. Chaix, B. Lebert, H. Miao, A. Nicolaou, F. Yakhou, H. Cercellier, S. Grenier, N. B. Brookes, A. Sulpice, S. Tsutsui, A. Bosak, L. Paolasini, D. Santos-Cottin, H. Yamamoto, I. Yamada, M. Azuma, T. Nishikubo, T. Yamamoto, M. Katsumata, M. P.M. DeanM. D'Astuto

Quantum Heterostructures

Research output: Contribution to journal › Article › peer-review

Abstract

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 nonresonant 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.

Original language	English
Article number	033004
Journal	Physical Review Research
Volume	4
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevResearch.4.033004
State	Published - Jul 2022

Funding

RIXS experiment was performed at the ID32 beamline of the European Synchrotron Radiation Facility (ESRF, Grenoble, France) supported by a beamtime allocation under the Proposal No. HC-3884. IXS measurements were performed at the ID28 beamline of ESRF supported by a beamtime allocation under the Proposal No. HC-4310. Additional IXS measurements were conducted at BL35XU of SPring-8 (Japan) under the SPring-8 Budding Researchers Support Program (Proposal No. 2019B1779). We thank O. Leynaud for access to the X'Press diffractometer platform as well as L.-M. Chamoreau and B. Baptiste for access to the “Plateforme Diffraction" at IPCM, Paris, and providing help for the single-crystal x-ray diffraction experiments. We thank L. Del-Rey and D. Dufeu for conceiving the sample holders and J. Debray for his help for the preparation of the RIXS experiment. We thank L. Laversenne and N. Bendiab for access to the glove-boxes. We thank P. Rodière and M.-H. Julien for fruitful discussions. We acknowledge financial support from ANR-DFG Grant No. ANR-18-CE92-0014-03 “Aperiodic”, IRS IDEX/UGA and Grants-in-Aid for Scientific Research JP 18H05208 and JP 19H05625, from the Japan Society for the Promotion of Science (JSPS). Work at Brookhaven National Laboratory was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-SC0012704.

Funders	Funder number
ANR-DFG	JP 18H05208, ANR-18-CE92-0014-03, JP 19H05625
U.S. Department of Energy
Office of Science
Basic Energy Sciences	DE-SC0012704
Basic Energy Sciences
Japan Society for the Promotion of Science

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Chaix, L., Lebert, B., Miao, H., Nicolaou, A., Yakhou, F., Cercellier, H., Grenier, S., Brookes, N. B., Sulpice, A., Tsutsui, S., Bosak, A., Paolasini, L., Santos-Cottin, D., Yamamoto, H., Yamada, I., Azuma, M., Nishikubo, T., Yamamoto, T., Katsumata, M., ... D'Astuto, M. (2022). Bulk charge density wave and electron-phonon coupling in superconducting copper oxychlorides. Physical Review Research, 4(3), Article 033004. https://doi.org/10.1103/PhysRevResearch.4.033004

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title = "Bulk charge density wave and electron-phonon coupling in superconducting copper oxychlorides",

abstract = "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 nonresonant 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.",

author = "L. Chaix and B. Lebert and H. Miao and A. Nicolaou and F. Yakhou and H. Cercellier and S. Grenier and Brookes, {N. B.} and A. Sulpice and S. Tsutsui and A. Bosak and L. Paolasini and D. Santos-Cottin and H. Yamamoto and I. Yamada and M. Azuma and T. Nishikubo and T. Yamamoto and M. Katsumata and Dean, {M. P.M.} and M. D'Astuto",

note = "Publisher Copyright: {\textcopyright} 2022 authors. Published by the American Physical Society.",

year = "2022",

month = jul,

doi = "10.1103/PhysRevResearch.4.033004",

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Chaix, L, Lebert, B, Miao, H, Nicolaou, A, Yakhou, F, Cercellier, H, Grenier, S, Brookes, NB, Sulpice, A, Tsutsui, S, Bosak, A, Paolasini, L, Santos-Cottin, D, Yamamoto, H, Yamada, I, Azuma, M, Nishikubo, T, Yamamoto, T, Katsumata, M, Dean, MPM & D'Astuto, M 2022, 'Bulk charge density wave and electron-phonon coupling in superconducting copper oxychlorides', Physical Review Research, vol. 4, no. 3, 033004. https://doi.org/10.1103/PhysRevResearch.4.033004

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T1 - Bulk charge density wave and electron-phonon coupling in superconducting copper oxychlorides

AU - Chaix, L.

AU - Lebert, B.

AU - Miao, H.

AU - Nicolaou, A.

AU - Yakhou, F.

AU - Cercellier, H.

AU - Grenier, S.

AU - Brookes, N. B.

AU - Sulpice, A.

AU - Tsutsui, S.

AU - Bosak, A.

AU - Paolasini, L.

AU - Santos-Cottin, D.

AU - Yamamoto, H.

AU - Yamada, I.

AU - Azuma, M.

AU - Nishikubo, T.

AU - Yamamoto, T.

AU - Katsumata, M.

AU - Dean, M. P.M.

AU - D'Astuto, M.

PY - 2022/7

Y1 - 2022/7

N2 - 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 nonresonant 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.

AB - 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 nonresonant 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.

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

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