Influence of phase transitions on the second harmonic generation in metal nanoparticles S. Achilli, M. Allione, A. M. Malvezzi, M. Patrini, A. Stella, P. Cheyssac and R. Kofman Eur. Phys. J. D, 24 1-3 (2003) 223-226 Published online: 03 July 2003 DOI: 10.1140/epjd/e2003-00192-7