Critical current density behaviors across a grain boundary inclined to current with different angles in YBa2Cu3O7−<italic>δ</italic> bicrystal junctions

Critical current density behaviors across a grain boundary inclined to current with different angles in YBa₂Cu₃O_7−δ bicrystal junctions

Hua Tao^{1, 2, †,}, Xu Wei-Wei², Ji Zheng-Ming², Guo Da-Yuan², Wang Qing-Yun¹, Ma Xiang-Rong¹, Liang Rui-Yu¹

Plots of critical current density of YBCO microbridges having GBs versus H with different θ values at a temperature of 70 K (left-hand longitudinal axis). The black squares show J_c–H characteristics of microbridge without GB (right-hand longitudinal axis).