Electronic structure and excitations on clean and nanostructured metal surfacesE. V. Chulkov, A. Zugarramurdi, S. S. Tsirkin, X. Zubizarreta, I. A. Nechaev, I. Yu. Sklyadneva and S. V. EremeevEur. Phys. J. B, 75 1 (2010) 37-47DOI: https://doi.org/10.1140/epjb/e2010-00097-2