Fabrication of Tl2Ba2CaCu2O8 superconducting films without thallium pellets

Fabrication of Tl₂Ba₂CaCu₂O₈ superconducting films without thallium pellets

Xu Teng-Da¹, Xing Jian¹, Wang Li-Tian¹, Zhang Jin-Li¹, Zhao Sheng-Hui¹, Xiong Yang¹, Zhao Xin-Jie^{1, 2}, Ji Lu^{1, 2, †}, Zhang Xu¹, He Ming¹

Superconducting critical temperatures of Tl-2212 films annealed for (a) 90 min, (b) 110 min, (c) 120 min, (d) 150 min, (e) 180 min.