Nature CommunicationsMultiband-driven anisotropic vortex topology in iron-based superconductors yielding a strain-tunable x-vortex Majorana platformSi-Qi YuWei ChengChuang LiZi-Sheng GongZi-Yi ChenXiao-Hong PanGang XuFu-Chun ZhangXin Liu2026-04-30Full textDOI https://doi.org/10.1038/s41467-026-71938-3