Detection of Acoustic Plasmons in Hole-Doped Lanthanum and Bismuth Cuprate Superconductors Using Resonant Inelastic X-Ray Scattering

54Citations
Citations of this article
31Readers
Mendeley users who have this article in their library.

Abstract

High Tc superconductors show a rich variety of phases associated with their charge degrees of freedom. Valence charges can give rise to charge ordering or acoustic plasmons in these layered cuprate superconductors. While charge ordering has been observed for both hole- A nd electron-doped cuprates, acoustic plasmons have only been found in electron-doped materials. Here, we use resonant inelastic X-ray scattering to observe the presence of acoustic plasmons in two families of hole-doped cuprate superconductors (La1.84Sr0.16CuO4 and Bi2Sr1.6La0.4CuO6+d), crucially completing the picture. Interestingly, in contrast to the quasistatic charge ordering which manifests at both Cu and O sites, the observed acoustic plasmons are predominantly associated with the O sites, revealing a unique dichotomy in the behavior of valence charges in hole-doped cuprates.

Cite

CITATION STYLE

APA

Nag, A., Zhu, M., Bejas, M., Li, J., Robarts, H. C., Yamase, H., … Zhou, K. J. (2020). Detection of Acoustic Plasmons in Hole-Doped Lanthanum and Bismuth Cuprate Superconductors Using Resonant Inelastic X-Ray Scattering. Physical Review Letters, 125(25). https://doi.org/10.1103/PhysRevLett.125.257002

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free