Tunable superconductivity in parent cuprate Pr2CuOδ thin films
Wei Xinjian1, 2, He Ge1, 2, Hu Wei1, 2, Zhang Xu1, 2, Qin Mingyang1, 2, Yuan Jie1, 3, Zhu Beiyi1, Lin Yuan4, Jin Kui1, 2, 3, 5, †
       

Tc versus RH of both PCO and PCCO. PCCO (2 K, 9 T) and PCCO (340 mK, 14 T) data derive from Refs. [12] and [20], respectively. The solid curve is a guide to the eye.