Percolative Superconductivity in Electron-Doped Sr${}_{1-x}$Eu${}_x$CuO${}_{2+y}$ Films

Xue-Qing Yu, Hang Yan, Li-Xuan Wei +7

Electron-doped infinite-layer Sr${}_{1-x}$Eu${}_x$CuO${}_{2+y}$ films over a wide doping range have been prepared epitaxially on SrTiO${}_3$(001) using reactive molecular beam epitaxy. I…