Jeong, S. G., Choi, I. H., Nair, S., Buiarelli, L., Pourbahari, B., Oh, J. Y., Lin, B. Y., LeBeau, J. M., Bassim, N., Hirai, D., Seo, A., Choi, W. S., Fernandes, R. M., Birol, T., Zhao, L., Lee, J. S., Jalan, B. (2026). Altermagnetic polar metallic phase in ultrathin epitaxially strained RuO
                    <sub>2</sub>
                    films. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2526641123