Shi, Y., Song, C., Jia, Y., Wang, Y., Li, Q., Chen, Y., Yang, Y., Fu, J., Qin, M., Song, D., Chen, Z., Yuan, H., Xie, Y., Zhang, M. (2026). Critical Thickness and Long‐Term Ambient Stability in Superconducting LaPr 2 Ni 2 O 7 Films. Advanced Materials. https://doi.org/10.1002/adma.202510394