The Unusual Superconducting State at 49 K in Electron-Doped CaFe2As2 at Ambient

B. Lv, L. Z. Deng, M. Gooch +6

We report the detection of unusual superconductivity up to 49 K in single crystalline CaFe2As2 via electron-doping by partial replacement of Ca by rare-earth. The superconducting t…