[23a-D215-1~10] 11.2 Thin and thick superconducting films, coated conductors and film crystal growth

[23a-D215-3] Development of versatile method of improving J_c for RE123 coated conductors through post-annealing including water vapor

〇Takanori Motoki¹, Rio Kanaizumi¹, Shin-ichi Nakamura², Genki Honda³, Tatsuoki Nagaishi³, Jun-ichi Shimoyama¹ (1.Aoyama Gakuin Univ., 2.TEP, 3.SEI)

Keywords:REBCO thin films, high Jc, wet annealing

Our recent study revealed that stacking faults of double Cu-O chain were introduced to RE123 textured bulks by post-heat treatment in an oxygen atmosphere containing water vapor. In this study, we attempted to control the defects in RE123 textured films by post-annealing, and aimed to establish a versatile high J_c method for RE123 tapes independent of the deposition method.