Altermagnetic Signatures and Topological Textures in Ultrathin Multiferroic BiFeO3

G. Fratian, M. Ramesh, X. Li, E. Golias, Y. Nahas, S.M.U. Schultheis, J. Skolaut, M. Checa, A. Ghosal, E. Krysko, P. Malinowski, B.D. Faeth, J. Priessnitz, F.C.F. Mbognou, A. Hariki, K. Sakurai, M. Furo, S.K. Ojha, M. Congdon, S. Zhou, A. Qualls, K. Litzius, C. Klewe, P. Meisenheimer, J. Kuneš, K. Shen, L. Belliache, L. Šmejkal, D.G. Schlom, Y. Han, S. Prokhorenko, R. Ramesh, P. Stevenson, A. Wittmann, and L. Caretta, “Altermagnetic Signatures and Topological Textures in Ultrathin Multiferroic BiFeO3,” Nature Materials (2026).  https://doi.org/10.1038/s41563-026-02786-1