Tunable superconductivity in parent cuprate Pr2CuO4±δ thin films

Tunable superconductivity in parent cuprate Pr₂CuO_4±δ thin films

Wei Xinjian^{1, 2}, He Ge^{1, 2}, Hu Wei^{1, 2}, Zhang Xu^{1, 2}, Qin Mingyang^{1, 2}, Yuan Jie^{1, 3}, Zhu Beiyi¹, Lin Yuan⁴, Jin Kui^{1, 2, 3, 5, †}

(a)–(c) MR versus magnetic field B for US3, US19, and US21, respectively. (d) MR curves for various Pr₂CuO_4±δ films at T = 30 K.