Segedin, D. F., Kim, J., LaBollita, H., Taylor, N. K., Baek, K., Sung, S. H., Turkiewicz, A. B., Pan, G. A., Jiang, A. Y., Bambrick-Santoyo, M., Schwaigert, T., Kim, C. K., Tenneti, A., Grutter, A. J., Muramoto, S., N’Diaye, A. T., Baggari, I. E., Walko, D. A., Brooks, C. M., Botana, A. S., Schlom, D. G., Zhou, H., Mundy, J. A. (2026). Topochemical Oxidation of Ruddlesden–Popper Nickelates Reveals Distinct Structural Family: Oxygen-Intercalated Layered Perovskites. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.5c12712