Crystalline and magnetic structure of Ba2CuO3+δ investigated by x-ray absorption spectroscopy and resonant inelastic x-ray scattering

Roberto Fumagalli, Abhishek Nag, Stefano Agrestini +8

Motivated by the recent synthesis of Ba${}_2$CuO${}_{3+\delta }$ (BCO), a high temperature superconducting cuprate with putative $d_{3z^2-r^2}$ ground state symmetry, we investigated its ele…