[P19-SF2A] Poster

[P19-SF2A-14] Doping Dependence of the Critical Current Density in Single Crystals of Bi_2+xSr_2-xCaCu₂O_8+δ Cuprate High - T_c Superconductors

*Junichiro Kato^1,2, Yutaro Mino^1,2, Pavan Kumar Naik Sugali^1,2, Shungo Nakagawa^3,2, Takanari Kashiwagi³, Shigeyuki Ishida², Hiroshi Eisaki², Taichiro Nishio¹ (1. Tokyo University of Science, 2. National Institute of Advanced Industrial Science and Technology, 3. University of Tsukuba)