Direct observation of nodeless superconductivity and phonon modes in electron-doped copper oxide Sr${}_{1-x}$Nd${}_x$CuO${}_2$

Jia-Qi Fan, Xue-Qing Yu, Fang-Jun Cheng +8

The microscopic understanding of high-temperature superconductivity in cuprates has been hindered by the apparent complexity of crystal structures in these materials. We used scann…