Hard X-ray Cu $2p$ Core-Level Photoemission of High-$T_c$ Cuprate Superconductors

M. Taguchi, M. Matsunami, A. Chainani +17

We have performed a detailed study of Cu $2p$ core-level spectra in single layer La${}_{2-x}$Sr${}_x$CuO${}_4$, La doped Bi${}_2$Sr${}_{1.6}$La${}_{0.4}$CuO${}_{6+\delta }$ (Bi2201) and bilayer Bi…