Electron beam induced light emission A. Ulrich, T. Heindl, R. Krücken, A. Morozov, C. Skrobol and J. Wieser Eur. Phys. J. Appl. Phys., 47 2 (2009) 22815 Published online: 17 April 2009 DOI: 10.1051/epjap/2009062