Charge density waves and Fermi surface reconstruction in the clean overdoped cuprate superconductor Tl2Ba2CuO6+δ.
Authors
Zhu, M
Yakhou-Harris, F
Cooper, JR
Publication Date
2022-01-28Journal Title
Nat Commun
ISSN
2041-1723
Publisher
Springer Science and Business Media LLC
Volume
13
Issue
1
Language
en
Type
Article
This Version
VoR
Metadata
Show full item recordCitation
Tam, C., Zhu, M., Ayres, J., Kummer, K., Yakhou-Harris, F., Cooper, J., Carrington, A., & et al. (2022). Charge density waves and Fermi surface reconstruction in the clean overdoped cuprate superconductor Tl2Ba2CuO6+δ.. Nat Commun, 13 (1) https://doi.org/10.1038/s41467-022-28124-y
Abstract
Hall effect and quantum oscillation measurements on high temperature cuprate superconductors show that underdoped compositions have small Fermi surface pockets whereas when heavily overdoped, a single much larger pocket is found. The origin of this change in electronic structure has been unclear, but may be related to the high temperature superconductivity. Here we show that the clean overdoped single-layer cuprate Tl2Ba2CuO6+δ (Tl2201) displays CDW order with a remarkably long correlation length ξ ≈ 200 Å which disappears above a hole doping of pCDW ≈ 0.265. We show that the evolution of the electronic properties of Tl2201 as the doping is lowered may be explained by a Fermi surface reconstruction which accompanies the emergence of the CDW below pCDW. Our results demonstrate importance of CDW correlations in understanding the electronic properties of overdoped cuprates.
Keywords
Article, /639/766/119/995, /639/766/119/2795, /639/766/119/1002, /639/766/119/1003, article
Sponsorship
RCUK | Engineering and Physical Sciences Research Council (EPSRC) (EP/R011141/1)
Identifiers
s41467-022-28124-y, 28124
External DOI: https://doi.org/10.1038/s41467-022-28124-y
This record's URL: https://www.repository.cam.ac.uk/handle/1810/333393
Rights
Licence:
http://creativecommons.org/licenses/by/4.0/
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