Crottini, A.Cvetko, D.Floreano, L.Gotter, R.Morgante, A.Tommasini, F.2007-08-312007-08-312007-08-31199710.1103/PhysRevLett.79.1527https://infoscience.epfl.ch/handle/20.500.14299/11242Step height oscillations during layer-by-layer growth of Pb on Ge(001)text::journal::journal article::research article