@article{araujo_ferreira da silva_persson_ahuja_silva_2004,  title={Spin-dependent conductance in nonmagnetic InGaAs asymmetric double barrier devices},  volume={34},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332004000400026},  DOI={10.1590/S0103-97332004000400026},  number={2b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Araujo, C. Moyses and Ferreira da Silva, A. and Persson, C. and Ahuja, R. and Silva, E. A. de Andrada e},  year={2004},  month={Jun},  pages={632–634} }