Spin dynamics across an inhomogeneous atomic boundary separating ultrathin Heisenberg ferromagnetic filmsM. Belhadi, R. Chadli, A. Khater and M. Abou GhantousEur. Phys. J. Appl. Phys., 37 1 (2007) 25-31DOI: https://doi.org/10.1051/epjap:2006124