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-Jie1, 2, Ji Lu1, 2, †, Zhang Xu1, He Ming1
       

(a) Jc versus annealing temperature. (b) Jc versus annealing time.