4-dangling-bond wires on a monohydride Si (100) surface: upper scheme the magnetic moment distribution over the wires, lower image constant-current scanning tunneling microscope simulation. There are three possible types of dangling-bond wire depending on the magnetic soluation: NM for non magnetic, AFM for antiferromagnetic and FM for ferromagnetic. The distribution of magnetic moments on the wires leads to very different scanning tunneling microscope solutions
