Vibrational and structural properties of an amorphous InSe9 alloy produced by mechanical alloying Kleber Daum Machado, Mariana C. Siqueira, Diana Jastrombek, Celso A. Duarte, Sergio M. de Souza, Eduardo A. Cotta and Sandro F. Stolf Eur. Phys. J. B, 86 3 (2013) 90 Published online: 11 March 2013 DOI: 10.1140/epjb/e2013-30432-x