Periodic magnetic anisotropy in ultrathin ferromagnetic films on faceted surfacesA. Tejeda, G. Baudot, V. Repain, S. Rousset, J. Ferré, J. P. Jamet, A. Thiaville and L. BarbierEurophys. Lett., 71 1 (2005) 117-123DOI: https://doi.org/10.1209/epl/i2005-10060-0