Effect of SHI irradiation on Se-Te-Sn thin films S. Kumar, G. B. V. S. Laxmi, M. Husain and M. Zulfequar Eur. Phys. J. Appl. Phys., 35 3 (2006) 155-158 Published online: 23 August 2006 DOI: 10.1051/epjap:2006091