X-rays emission from a compact diode energized by capacitor discharge M. Zakaullah, S. Ahmed, S. Hussain, M. Afzal and A. Waheed Eur. Phys. J. Appl. Phys., 29 1 (2005) 91-97 Published online: 25 August 2004 DOI: 10.1051/epjap:2004176