@article{articlee03e3b77, title = {Effects of thermally activated hole escape mechanism on the optical and electrical properties in 'ro'-type Si 'delta'-doped GaAs(311)A layers}, author = {Frizzarini, M and Silva, Euzi Conceicao Fernandes da and Quivy, A. A. and cavalheiro, A and Leite, J. R. and Meneses, E A}, year = {2000}, journal = {Physical Review B} }