Evolution of incommensurate superstructure and electronic structure with Pb substitution in (Bi2−xPbx)Sr2CaCu2O8+δ superconductors
Liu Jing1, 2, Zhao Lin1, †, Gao Qiang1, 2, Ai Ping1, 2, Zhang Lu1, 2, Xie Tao1, 2, Huang Jian-Wei1, 2, Ding Ying1, 2, Hu Cheng1, 2, Yan Hong-Tao1, 2, Song Chun-Yao1, 2, Xu Yu1, 2, Li Cong1, 2, Cai Yong-Qing1, 2, Rong Hong-Tao1, 2, Wu Ding-Song1, 2, Liu Guo-Dong1, Wang Qing-Yan1, Huang Yuan1, Zhang Feng-Feng3, Yang Feng3, Peng Qin-Jun3, Li Shi-Liang1, 2, 5, Yang Huai-Xin1, 2, Li Jian-Qi1, 2, 5, Xu Zu-Yan3, Zhou Xing-Jiang1, 2, 4, 5, ‡
       

Electron diffraction patterns and STEM images of Bi2212 single crystals with various Pb contents. (a) Selected-area diffraction patterns along [001] zone-axis for x=0.2 (left panel), x=0.4 (middle panel), and x=0.6 (right panel) samples. (b) Selected-area diffraction patterns along [100] zone-axis for the same samples. (c) [100] zone-axis STEM images for the same samples.