Investigation of confined acoustic phonons of tin nanoparticles during melting C. E. Bottani, A. Li Bassi, A. Stella, P. Cheyssac and R. Kofman Europhys. Lett., 56 3 (2001) 386-392 Published online: 01 December 2003 DOI: 10.1209/epl/i2001-00531-8