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

YBCO microbridges with a GB inclined to the current direction at θ = 90° (a), 60° (b), and 30° (c), respectively. (d) A microbridge of YBCO film without GB. The length and width of four microbridges are all 30 μm and 10 μm.