Nature, Published online: 22 January 2025; doi:10.1038/s41586-024-08330-y

Van der Waals (Cr,Bi)2Te3, synthesized by non-equilibrium molecular beam epitaxy, is characterized by magnetotransport measurements and shown to be a semimetallic Weyl ferromagnet, with Fermi surface composed of two Weyl points and no irrelevant electronic states.