@article {1628,
	title = {A comparative study of the electronic structures of oxygen- and chlorinetreated nitrogenated carbon nanotubes by X-ray absorption and scanning photoelectron microscopy},
	journal = {Appl. Phys. Lett.},
	volume = {91},
	year = {2007},
	pages = { 202102},
	author = {S. C. Ray and C. W. Pao and H. M. Tsai and J.W. Chiou and W.F. Pong* and C. W. Chen and M.-H. Tsai and P. Papakonstantinou and L. C. Chen and K. H. Chen}
}
