Structural and vibrational properties of Cu(1 1 0)-2 × 1-Pd surface alloy R. Chadli, A. Khater and R. Tigrine Eur. Phys. J. Appl. Phys., 57 2 (2012) 21303 Published online: 30 January 2012 DOI: 10.1051/epjap/2012110337