Resonance and composition effects on the Raman scattering from silver-gold alloy clusters H. Portales, L. Saviot, E. Duval, M. Gaudry, E. Cottancin, J. Lermé, M. Pellarin, M. Broyer, B. Prével and M. Treilleux Eur. Phys. J. D, 16 1-3 (2001) 197 Published online: 15 September 2001 DOI: 10.1007/s100530170091