@article{articlec49120b9,
title   = {Spectroscopic study of Nd-doped amorphous SiN films},
author = {Ribeiro, C. T. M. and Siu Li, Máximo and Zanatta, Antonio Ricardo},
year = {2004},
doi = {10.1063/1.1760843},
journal   = {Journal of Applied Physics}
}