Evidence for Weakly Correlated Oxygen Holes in the Highest-T_{c} Cuprate Superconductor HgBa_{2}Ca_{2}Cu_{3}O_{8+δ}

Author(s): A. Chainani, M. Sicot, Y. Fagot-Revurat, G. Vasseur, J. Granet, B. Kierren, L. Moreau, M. Oura, A. Yamamoto, Y. Tokura, and D. Malterre

Oxygen-hole correlations in HgBa${}_2$Ca${}_2$Cu${}_3$O${}_{8+\delta }$, the highest T${}_c$ mercury-based cuprate superconductor, are found to be weaker than those seen in any other cuprate superconductor.

[Phys. Rev. Lett. 119, 057001] Published Mon Jul 31, 2017