Confined spin waves reveal an assembly of nanosize domains in ferromagnetic La(1-x)CaxMnO3 (x=0.17,0.2)

M. Hennion, F. Moussa, P. Lehouelleur +4

We report a study of spin-waves in ferromagnetic La${}_{1-x}$Ca${}_x$MnO${}_3$, at concentrations x=0.17 and x=0.2 very close to the metallic transition (x=0.225). Below T${}_C$, in the…