@article{article3a8bb6ec, title = {Optical constants and thickness determination of very thin amorphous semiconductor films}, author = {Chambouleyron, Ivan Emílio and Ventura, S. D. and Birgin, Ernesto Julian Goldberg and Martínez, José Mário}, year = {2002}, doi = {10.1063/1.1500785}, journal = {Journal of Applied Physics} }