Irradiation effects in oxide glasses doped with transition and rare-earth elements E. Malchukova, B. Boizot, G. Petite and D. Ghaleb Eur. Phys. J. Appl. Phys., 45 1 (2009) 10701 Published online: 14 January 2009 DOI: 10.1051/epjap:2008185