Efficient field emission from structured gold nanowire cathodes A. Navitski, G. Müller, V. Sakharuk, T. W. Cornelius, C. Trautmann and S. Karim Eur. Phys. J. Appl. Phys., 48 3 (2009) 30502 Published online: 30 October 2009 DOI: 10.1051/epjap/2009167