Shi, M., Peng, D., Li, Y., Yang, S., Xing, Z., Wang, Y., Fan, K., Li, H., Wu, R., Ge, B., Zeng, Z., Zeng, Q., Ying, J., Wu, T., Chen, X. (2025). Spin density wave rather than tetragonal structure is prerequisite for superconductivity in La3Ni2O7-δ. Nature Communications. https://doi.org/10.1038/s41467-025-63701-x