@article {1651,
	title = {Enhancement of electron field emission of nitrogenated carbon nanotubes on chlorination},
	journal = {Diamond Relat. Mater.},
	volume = {18},
	year = {2009},
	pages = {457-460 },
	author = {S. C. Ray and U. Palnitkar and C. W. Pao and H. M. Tsai and W.F. Pong* and I-Nan Lin and P. Papakonstantinou and L. C. Chen and K. H. Chen}
}
