Plasma nitriding of aluminium in a pulsed dc glow discharge of nitrogen S. Naseer, F. U. Khan, N. U. Rehman, A. Qayyum, F. Rahman and M. Zakaullah Eur. Phys. J. Appl. Phys., 49 2 (2010) 21001 Published online: 26 January 2010 DOI: 10.1051/epjap/2009203