Liu, B., Li, J., Zeng, H., Wang, X., Jiang, J., Yu, Y., Hu, X., Zhao, S., Wan, L., Liu, G., Zheng, Y., Li, Y. (2026). Light‐Written Nonvolatile Polarization via Defect‐Engineered Charge Trapping. Advanced Materials. https://doi.org/10.1002/adma.73970