Charge-density-wave order takes over antiferromagnetism in Bi2 Sr2-x La x CuO6 superconductors

Nature Communications
S KawasakiGuo-Qing Zheng

Abstract

Superconductivity appears in the cuprates when a spin order is destroyed, while the role of charge is less known. Recently, charge density wave (CDW) was found below the superconducting dome in YBa2Cu3O y when a high magnetic field is applied perpendicular to the CuO2 plane, which was suggested to arise from incipient CDW in the vortex cores that becomes overlapped. Here by 63Cu-nuclear magnetic resonance, we report the discovery of CDW induced by an in-plane field, setting in above the dome in single-layered Bi2Sr2-x La x CuO6. The onset temperature T CDW takes over the antiferromagnetic order temperature T N beyond a critical doping level at which superconductivity starts to emerge, and scales with the pseudogap temperature T*. These results provide important insights into the relationship between spin order, CDW and the pseudogap, and their connections to high-temperature superconductivity.

References

Jun 1, 2007·Nature·Nicolas Doiron-LeyraudLouis Taillefer
Jul 17, 2012·Science·G GhiringhelliL Braicovich
Jul 6, 2014·Proceedings of the National Academy of Sciences of the United States of America·Kazuhiro FujitaJ C Séamus Davis
May 26, 2015·Nature Materials·R CominA Damascelli

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Citations

Feb 14, 2021·Proceedings of the National Academy of Sciences of the United States of America·Yu-Te HsuNigel E Hussey
Jun 3, 2021·Nature Communications·Igor VinogradMarc-Henri Julien
Mar 19, 2020··Hisatoshi YokoyamaKenji Kobayashi

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Methods Mentioned

BETA
x-ray spectroscopy
nuclear magnetic resonance
NMR
X-ray

Software Mentioned

sim

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