@article {1311,
	title = {Optical properties tailoring by high fluence implantation of Ag ions on sapphire},
	journal = {Nuclear Instruments \& Methods in Physics Research Section B-Beam Interactions with Materials and Atoms},
	volume = {242},
	year = {2006},
	pages = {104-108},
	author = {C. Marques and R. C. da Silva and A. Wemans and M. J. P. Maneira and A. Kozanecki and E. Alves}
}
