@article{article27204186,
title   = {Lanthanide impurities in wide bandgap semiconductors: a possible roadmap for spintronic devices},
author = {Caroena, G and Machado, Wanda Valle Marcondes and Assali, Lucy Vitoria Credidio and Justo Filho, João Francisco},
year = {2013},
doi = {10.1063/1.4791787},
journal   = {Applied Physics Letters}
}