Guo, J., Han, J., Chen, H., Qi, Y., Li, S., Wang, R., Jing, Q., Wu, L., Chen, L. (2025). Lewis Acidity‐Governed Ion Exchange and Record Birefringence in A′[Ag
                    <sub>3</sub>
                    (PO
                    <sub>3</sub>
                    F)
                    <sub>2</sub>
                    ]. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202512952