@article {li2014effects,
	title = {Effects of metal elements in catalytic growth of carbon nanotubes/graphene: A first principles DFT study},
	journal = {Applied Surface Science},
	volume = {317},
	year = {2014},
	pages = {923{\textendash}928},
	publisher = {North-Holland},
	author = {Li, Jingde and Croiset, Eric and Ricardez-Sandoval, Luis}
}
