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Spatially inhomogeneous competition between superconductivity and the charge density wave in YBa2Cu3O6.67

Choi, J. LU orcid ; Ivashko, O. ; Blackburn, E. LU ; Liang, R. ; Bonn, D. A. ; Hardy, W. N. ; Holmes, A. T. ; Christensen, N. B. ; Hücker, M. and Gerber, S. , et al. (2020) In Nature Communications 11(1).
Abstract

The charge density wave in the high-temperature superconductor YBa2Cu3O7−x (YBCO) has two different ordering tendencies differentiated by their c-axis correlations. These correspond to ferro- (F-CDW) and antiferro- (AF-CDW) couplings between CDWs in neighbouring CuO2 bilayers. This discovery has prompted several fundamental questions: how does superconductivity adjust to two competing orders and are either of these orders responsible for the electronic reconstruction? Here we use x-ray diffraction to study YBa2Cu3O6.67 as a function of magnetic field and temperature. We show that regions with F-CDW correlations suppress superconductivity more strongly than... (More)

The charge density wave in the high-temperature superconductor YBa2Cu3O7−x (YBCO) has two different ordering tendencies differentiated by their c-axis correlations. These correspond to ferro- (F-CDW) and antiferro- (AF-CDW) couplings between CDWs in neighbouring CuO2 bilayers. This discovery has prompted several fundamental questions: how does superconductivity adjust to two competing orders and are either of these orders responsible for the electronic reconstruction? Here we use x-ray diffraction to study YBa2Cu3O6.67 as a function of magnetic field and temperature. We show that regions with F-CDW correlations suppress superconductivity more strongly than those with AF-CDW correlations. This implies that an inhomogeneous superconducting state exists, in which some regions show a fragile form of superconductivity. By comparison of F-CDW and AF-CDW correlation lengths, it is concluded that F-CDW ordering is sufficiently long-range to modify the electronic structure. Our study thus suggests that F-CDW correlations impact both the superconducting and normal state properties of YBCO.

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type
Contribution to journal
publication status
published
subject
in
Nature Communications
volume
11
issue
1
article number
990
publisher
Nature Publishing Group
external identifiers
  • scopus:85079743598
  • pmid:32080170
ISSN
2041-1723
DOI
10.1038/s41467-020-14536-1
language
English
LU publication?
yes
id
d47d2450-1e48-4068-b041-ffb7dd0ea1d4
date added to LUP
2020-03-09 13:15:20
date last changed
2024-06-27 14:09:19
@article{d47d2450-1e48-4068-b041-ffb7dd0ea1d4,
  abstract     = {{<p>The charge density wave in the high-temperature superconductor YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−x</sub> (YBCO) has two different ordering tendencies differentiated by their c-axis correlations. These correspond to ferro- (F-CDW) and antiferro- (AF-CDW) couplings between CDWs in neighbouring CuO<sub>2</sub> bilayers. This discovery has prompted several fundamental questions: how does superconductivity adjust to two competing orders and are either of these orders responsible for the electronic reconstruction? Here we use x-ray diffraction to study YBa<sub>2</sub>Cu<sub>3</sub>O<sub>6.67</sub> as a function of magnetic field and temperature. We show that regions with F-CDW correlations suppress superconductivity more strongly than those with AF-CDW correlations. This implies that an inhomogeneous superconducting state exists, in which some regions show a fragile form of superconductivity. By comparison of F-CDW and AF-CDW correlation lengths, it is concluded that F-CDW ordering is sufficiently long-range to modify the electronic structure. Our study thus suggests that F-CDW correlations impact both the superconducting and normal state properties of YBCO.</p>}},
  author       = {{Choi, J. and Ivashko, O. and Blackburn, E. and Liang, R. and Bonn, D. A. and Hardy, W. N. and Holmes, A. T. and Christensen, N. B. and Hücker, M. and Gerber, S. and Gutowski, O. and Rütt, U. and Zimmermann, M. v. and Forgan, E. M. and Hayden, S. M. and Chang, J.}},
  issn         = {{2041-1723}},
  language     = {{eng}},
  number       = {{1}},
  publisher    = {{Nature Publishing Group}},
  series       = {{Nature Communications}},
  title        = {{Spatially inhomogeneous competition between superconductivity and the charge density wave in YBa<sub>2</sub>Cu<sub>3</sub>O<sub>6.67</sub>}},
  url          = {{http://dx.doi.org/10.1038/s41467-020-14536-1}},
  doi          = {{10.1038/s41467-020-14536-1}},
  volume       = {{11}},
  year         = {{2020}},
}