@article {1538,
	title = {Enhanced field emission from nitrogen-doped amorphous diamond},
	journal = {J. Mater. Res.},
	volume = {18},
	year = {2003},
	pages = {1594-1599},
	author = {M. C. Kan and J. L. Huang* and J.C. Sung and K. H. Chen and D. F. Lii}
}
