@inproceedings{inproceedingsd6a67628, title = {Light and thermal spectroscopy of donor impurity states in n-'AL''GA''AS'}, author = {Scalvi, L V A and Oliveira, L. and Minami, E and Siu Li, Máximo}, year = {1993}, publisher = {University of Connecticut}, booktitle = {International Conference on Luminescence} }