Quantitative roughness of sputtered Fe-Cr superlatticesM. E. Gómez, J. Santamaria, M. C. Cyrille, E. C. Nelson, K. M. Krishnan and I. K. SchullerEur. Phys. J. B, 30 1 (2002) 17-23DOI: https://doi.org/10.1140/epjb/e2002-00353-0