Superconducting Dome in La3−xSrxNi2O7−δ Thin FilmsRemoveMaosen Wang, Bo Hao, Wenjie Sun, Shengjun Yan, Shengwang Sun, Hongyi Zhang, Zhengbin Gu, and Yuefeng NiePhys. Rev. Lett. 136, 066002 (2026)