Signatures of Altermagnetism in BiFeO3

S. Husain, M. Ramesh, Q. Song, S. Prokhorenko, S.K. Ojha, S.N. Panda, X. Li , Y. Nahas, Y. Kumar, P. Gupta, T. Chang, A.J-i. Jung, R. de Sousa, J.G. Analytis, L.W. Martin, Z. Yao, Y. Han, S-W. Cheong, L. Bellaiche, M. Bibes, D.G. Schlom, and R. Ramesh, “Signatures of Altermagnetism in BiFeO3,” Physical Review Letters 137 (2026) 036702-1 – 036702-9.